mirror of https://github.com/SixLabors/ImageSharp
Browse Source
Utilize new memory features (ReadOnlySpan, BinaryPrimitives, and Span.CopyTo)af/merge-core
James Jackson-South
8 years ago
committed by
GitHub
GitHub
45 changed files with 418 additions and 2713 deletions
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// Copyright (c) Six Labors and contributors.
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// Licensed under the Apache License, Version 2.0.
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namespace SixLabors.ImageSharp.IO |
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{ |
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/// <summary>
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/// Implementation of EndianBitConverter which converts to/from big-endian byte arrays.
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/// </summary>
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internal sealed class BigEndianBitConverter : EndianBitConverter |
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{ |
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/// <inheritdoc/>
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public override Endianness Endianness |
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{ |
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get { return Endianness.BigEndian; } |
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} |
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/// <inheritdoc/>
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public override bool IsLittleEndian |
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{ |
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get { return false; } |
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} |
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/// <inheritdoc/>
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public override void CopyBytes(short value, byte[] buffer, int index) |
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{ |
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CheckByteArgument(buffer, index, 2); |
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buffer[index] = (byte)(value >> 8); |
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buffer[index + 1] = (byte)value; |
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} |
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/// <inheritdoc/>
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public override void CopyBytes(int value, byte[] buffer, int index) |
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{ |
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CheckByteArgument(buffer, index, 4); |
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buffer[index] = (byte)(value >> 24); |
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buffer[index + 1] = (byte)(value >> 16); |
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buffer[index + 2] = (byte)(value >> 8); |
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buffer[index + 3] = (byte)value; |
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} |
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/// <inheritdoc/>
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public override void CopyBytes(long value, byte[] buffer, int index) |
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{ |
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CheckByteArgument(buffer, index, 8); |
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buffer[index] = (byte)(value >> 56); |
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buffer[index + 1] = (byte)(value >> 48); |
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buffer[index + 2] = (byte)(value >> 40); |
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buffer[index + 3] = (byte)(value >> 32); |
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buffer[index + 4] = (byte)(value >> 24); |
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buffer[index + 5] = (byte)(value >> 16); |
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buffer[index + 6] = (byte)(value >> 8); |
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buffer[index + 7] = (byte)value; |
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} |
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/// <inheritdoc/>
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public override short ToInt16(byte[] value, int startIndex) |
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{ |
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CheckByteArgument(value, startIndex, 2); |
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return (short)((value[startIndex] << 8) | value[startIndex + 1]); |
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} |
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/// <inheritdoc/>
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public override int ToInt32(byte[] value, int startIndex) |
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{ |
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CheckByteArgument(value, startIndex, 4); |
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return (value[startIndex] << 24) | (value[startIndex + 1] << 16) | (value[startIndex + 2] << 8) | value[startIndex + 3]; |
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} |
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/// <inheritdoc/>
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public override long ToInt64(byte[] value, int startIndex) |
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{ |
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CheckByteArgument(value, startIndex, 8); |
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long p1 = (value[startIndex] << 24) | (value[startIndex + 1] << 16) | (value[startIndex + 2] << 8) | value[startIndex + 3]; |
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long p2 = (value[startIndex + 4] << 24) | (value[startIndex + 5] << 16) | (value[startIndex + 6] << 8) | value[startIndex + 7]; |
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return (p2 & 0xFFFFFFFF) | (p1 << 32); |
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} |
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} |
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} |
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// Copyright (c) Six Labors and contributors.
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// Licensed under the Apache License, Version 2.0.
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using System; |
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namespace SixLabors.ImageSharp.IO |
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{ |
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/// <summary>
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/// Equivalent of <see cref="BitConverter"/>, but with either endianness.
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/// </summary>
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internal abstract partial class EndianBitConverter |
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{ |
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/// <summary>
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/// Converts the specified double-precision floating point number to a
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/// 64-bit signed integer. Note: the endianness of this converter does not
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/// affect the returned value.
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/// </summary>
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/// <param name="value">The number to convert. </param>
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/// <returns>A 64-bit signed integer whose value is equivalent to value.</returns>
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public unsafe long DoubleToInt64Bits(double value) |
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{ |
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return *((long*)&value); |
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} |
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/// <summary>
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/// Converts the specified 64-bit signed integer to a double-precision
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/// floating point number. Note: the endianness of this converter does not
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/// affect the returned value.
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/// </summary>
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/// <param name="value">The number to convert. </param>
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/// <returns>A double-precision floating point number whose value is equivalent to value.</returns>
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public unsafe double Int64BitsToDouble(long value) |
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{ |
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return *((double*)&value); |
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} |
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/// <summary>
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/// Converts the specified single-precision floating point number to a
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/// 32-bit signed integer. Note: the endianness of this converter does not
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/// affect the returned value.
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/// </summary>
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/// <param name="value">The number to convert. </param>
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/// <returns>A 32-bit signed integer whose value is equivalent to value.</returns>
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public unsafe int SingleToInt32Bits(float value) |
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{ |
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return *((int*)&value); |
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} |
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/// <summary>
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/// Converts the specified 32-bit signed integer to a single-precision floating point
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/// number. Note: the endianness of this converter does not
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/// affect the returned value.
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/// </summary>
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/// <param name="value">The number to convert. </param>
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/// <returns>A single-precision floating point number whose value is equivalent to value.</returns>
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public unsafe float Int32BitsToSingle(int value) |
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{ |
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return *((float*)&value); |
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} |
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} |
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} |
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// Copyright (c) Six Labors and contributors.
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// Licensed under the Apache License, Version 2.0.
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using System; |
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namespace SixLabors.ImageSharp.IO |
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{ |
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/// <summary>
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/// Equivalent of <see cref="BitConverter"/>, but with either endianness.
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/// </summary>
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internal abstract partial class EndianBitConverter |
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{ |
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/// <summary>
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/// Copies the specified 16-bit signed integer value into the specified byte array,
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/// beginning at the specified index.
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/// </summary>
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/// <param name="value">The number to convert.</param>
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/// <param name="buffer">The byte array to copy the bytes into</param>
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/// <param name="index">The first index into the array to copy the bytes into</param>
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public abstract void CopyBytes(short value, byte[] buffer, int index); |
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/// <summary>
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/// Copies the specified 32-bit signed integer value into the specified byte array,
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/// beginning at the specified index.
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/// </summary>
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/// <param name="value">The number to convert.</param>
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/// <param name="buffer">The byte array to copy the bytes into</param>
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/// <param name="index">The first index into the array to copy the bytes into</param>
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public abstract void CopyBytes(int value, byte[] buffer, int index); |
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/// <summary>
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/// Copies the specified 64-bit signed integer value into the specified byte array,
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/// beginning at the specified index.
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/// </summary>
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/// <param name="value">The number to convert.</param>
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/// <param name="buffer">The byte array to copy the bytes into</param>
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/// <param name="index">The first index into the array to copy the bytes into</param>
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public abstract void CopyBytes(long value, byte[] buffer, int index); |
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/// <summary>
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/// Copies the specified 16-bit unsigned integer value into the specified byte array,
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/// beginning at the specified index.
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/// </summary>
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/// <param name="value">The number to convert.</param>
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/// <param name="buffer">The byte array to copy the bytes into</param>
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/// <param name="index">The first index into the array to copy the bytes into</param>
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public void CopyBytes(ushort value, byte[] buffer, int index) |
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{ |
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this.CopyBytes(unchecked((short)value), buffer, index); |
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} |
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/// <summary>
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/// Copies the specified 32-bit unsigned integer value into the specified byte array,
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/// beginning at the specified index.
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/// </summary>
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/// <param name="value">The number to convert.</param>
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/// <param name="buffer">The byte array to copy the bytes into</param>
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/// <param name="index">The first index into the array to copy the bytes into</param>
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public void CopyBytes(uint value, byte[] buffer, int index) |
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{ |
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this.CopyBytes(unchecked((int)value), buffer, index); |
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} |
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/// <summary>
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/// Copies the specified 64-bit unsigned integer value into the specified byte array,
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/// beginning at the specified index.
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/// </summary>
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/// <param name="value">The number to convert.</param>
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/// <param name="buffer">The byte array to copy the bytes into</param>
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/// <param name="index">The first index into the array to copy the bytes into</param>
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public void CopyBytes(ulong value, byte[] buffer, int index) |
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{ |
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this.CopyBytes(unchecked((long)value), buffer, index); |
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} |
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/// <summary>
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/// Copies the specified Boolean value into the specified byte array,
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/// beginning at the specified index.
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/// </summary>
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/// <param name="value">A Boolean value.</param>
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/// <param name="buffer">The byte array to copy the bytes into</param>
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/// <param name="index">The first index into the array to copy the bytes into</param>
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public void CopyBytes(bool value, byte[] buffer, int index) |
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{ |
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CheckByteArgument(buffer, index, 1); |
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buffer[index] = value ? (byte)1 : (byte)0; |
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} |
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/// <summary>
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/// Copies the specified Unicode character value into the specified byte array,
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/// beginning at the specified index.
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/// </summary>
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/// <param name="value">A character to convert.</param>
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/// <param name="buffer">The byte array to copy the bytes into</param>
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/// <param name="index">The first index into the array to copy the bytes into</param>
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public void CopyBytes(char value, byte[] buffer, int index) |
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{ |
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this.CopyBytes(unchecked((short)value), buffer, index); |
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} |
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/// <summary>
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/// Copies the specified double-precision floating point value into the specified byte array,
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/// beginning at the specified index.
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/// </summary>
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/// <param name="value">The number to convert.</param>
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/// <param name="buffer">The byte array to copy the bytes into</param>
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/// <param name="index">The first index into the array to copy the bytes into</param>
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public unsafe void CopyBytes(double value, byte[] buffer, int index) |
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{ |
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this.CopyBytes(*((long*)&value), buffer, index); |
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} |
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/// <summary>
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/// Copies the specified single-precision floating point value into the specified byte array,
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/// beginning at the specified index.
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/// </summary>
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/// <param name="value">The number to convert.</param>
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/// <param name="buffer">The byte array to copy the bytes into</param>
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/// <param name="index">The first index into the array to copy the bytes into</param>
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public unsafe void CopyBytes(float value, byte[] buffer, int index) |
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{ |
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this.CopyBytes(*((int*)&value), buffer, index); |
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} |
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/// <summary>
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/// Copies the specified decimal value into the specified byte array,
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/// beginning at the specified index.
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/// </summary>
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/// <param name="value">A character to convert.</param>
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/// <param name="buffer">The byte array to copy the bytes into</param>
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/// <param name="index">The first index into the array to copy the bytes into</param>
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public unsafe void CopyBytes(decimal value, byte[] buffer, int index) |
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{ |
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CheckByteArgument(buffer, index, 16); |
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int* pvalue = (int*)&value; |
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this.CopyBytes(pvalue[0], buffer, index); |
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this.CopyBytes(pvalue[1], buffer, index + 4); |
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this.CopyBytes(pvalue[2], buffer, index + 8); |
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this.CopyBytes(pvalue[3], buffer, index + 12); |
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} |
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} |
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} |
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@ -1,137 +0,0 @@ |
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// Copyright (c) Six Labors and contributors.
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// Licensed under the Apache License, Version 2.0.
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using System; |
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namespace SixLabors.ImageSharp.IO |
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{ |
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/// <summary>
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/// Equivalent of <see cref="BitConverter"/>, but with either endianness.
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/// </summary>
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internal abstract partial class EndianBitConverter |
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{ |
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/// <summary>
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/// Returns the specified 16-bit signed integer value as an array of bytes.
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/// </summary>
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/// <param name="value">The number to convert.</param>
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/// <returns>An array of bytes with length 2.</returns>
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public byte[] GetBytes(short value) |
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{ |
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byte[] result = new byte[2]; |
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this.CopyBytes(value, result, 0); |
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return result; |
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} |
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/// <summary>
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/// Returns the specified 32-bit signed integer value as an array of bytes.
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/// </summary>
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/// <param name="value">The number to convert.</param>
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/// <returns>An array of bytes with length 4.</returns>
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public byte[] GetBytes(int value) |
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{ |
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byte[] result = new byte[4]; |
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this.CopyBytes(value, result, 0); |
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return result; |
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} |
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/// <summary>
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/// Returns the specified 64-bit signed integer value as an array of bytes.
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/// </summary>
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/// <param name="value">The number to convert.</param>
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/// <returns>An array of bytes with length 8.</returns>
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public byte[] GetBytes(long value) |
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{ |
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byte[] result = new byte[8]; |
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this.CopyBytes(value, result, 0); |
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return result; |
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} |
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/// <summary>
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/// Returns the specified 16-bit unsigned integer value as an array of bytes.
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/// </summary>
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/// <param name="value">The number to convert.</param>
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/// <returns>An array of bytes with length 2.</returns>
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public byte[] GetBytes(ushort value) |
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{ |
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return this.GetBytes(unchecked((short)value)); |
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} |
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/// <summary>
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/// Returns the specified 32-bit unsigned integer value as an array of bytes.
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/// </summary>
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/// <param name="value">The number to convert.</param>
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/// <returns>An array of bytes with length 4.</returns>
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public byte[] GetBytes(uint value) |
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{ |
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return this.GetBytes(unchecked((int)value)); |
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} |
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/// <summary>
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/// Returns the specified 64-bit unsigned integer value as an array of bytes.
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/// </summary>
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/// <param name="value">The number to convert.</param>
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/// <returns>An array of bytes with length 8.</returns>
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public byte[] GetBytes(ulong value) |
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{ |
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return this.GetBytes(unchecked((long)value)); |
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} |
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/// <summary>
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/// Returns the specified Boolean value as an array of bytes.
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/// </summary>
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/// <param name="value">A Boolean value.</param>
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/// <returns>An array of bytes with length 1.</returns>
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/// <returns>
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/// The <see cref="T:byte[]"/>.
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/// </returns>
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public byte[] GetBytes(bool value) |
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{ |
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return new byte[1] { value ? (byte)1 : (byte)0 }; |
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} |
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/// <summary>
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/// Returns the specified Unicode character value as an array of bytes.
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/// </summary>
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/// <param name="value">A character to convert.</param>
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/// <returns>An array of bytes with length 2.</returns>
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/// <returns>
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/// The <see cref="T:byte[]"/>.
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/// </returns>
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public byte[] GetBytes(char value) |
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{ |
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return this.GetBytes((short)value); |
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} |
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|
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/// <summary>
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/// Returns the specified double-precision floating point value as an array of bytes.
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/// </summary>
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/// <param name="value">The number to convert.</param>
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/// <returns>An array of bytes with length 8.</returns>
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public unsafe byte[] GetBytes(double value) |
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{ |
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return this.GetBytes(*((long*)&value)); |
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} |
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|
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/// <summary>
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/// Returns the specified single-precision floating point value as an array of bytes.
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/// </summary>
|
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/// <param name="value">The number to convert.</param>
|
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/// <returns>An array of bytes with length 4.</returns>
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public unsafe byte[] GetBytes(float value) |
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{ |
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return this.GetBytes(*((int*)&value)); |
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} |
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|
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/// <summary>
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/// Returns the specified decimal value as an array of bytes.
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/// </summary>
|
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/// <param name="value">The number to convert.</param>
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/// <returns>An array of bytes with length 16.</returns>
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public byte[] GetBytes(decimal value) |
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{ |
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byte[] result = new byte[16]; |
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this.CopyBytes(value, result, 0); |
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return result; |
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} |
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} |
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} |
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@ -1,139 +0,0 @@ |
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// Copyright (c) Six Labors and contributors.
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// Licensed under the Apache License, Version 2.0.
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|
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using System; |
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|
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namespace SixLabors.ImageSharp.IO |
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{ |
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/// <summary>
|
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/// Equivalent of <see cref="BitConverter"/>, but with either endianness.
|
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/// </summary>
|
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internal abstract partial class EndianBitConverter |
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{ |
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/// <summary>
|
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/// Returns a 16-bit signed integer converted from two bytes at a specified position in a byte array.
|
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/// </summary>
|
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/// <param name="value">An array of bytes.</param>
|
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/// <param name="startIndex">The starting position within value.</param>
|
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/// <returns>A 16-bit signed integer formed by two bytes beginning at startIndex.</returns>
|
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public abstract short ToInt16(byte[] value, int startIndex); |
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|
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/// <summary>
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/// Returns a 32-bit signed integer converted from four bytes at a specified position in a byte array.
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/// </summary>
|
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/// <param name="value">An array of bytes.</param>
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/// <param name="startIndex">The starting position within value.</param>
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/// <returns>A 32-bit signed integer formed by four bytes beginning at startIndex.</returns>
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public abstract int ToInt32(byte[] value, int startIndex); |
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|
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/// <summary>
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/// Returns a 64-bit signed integer converted from eight bytes at a specified position in a byte array.
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/// </summary>
|
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/// <param name="value">An array of bytes.</param>
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/// <param name="startIndex">The starting position within value.</param>
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/// <returns>A 64-bit signed integer formed by eight bytes beginning at startIndex.</returns>
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public abstract long ToInt64(byte[] value, int startIndex); |
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|
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/// <summary>
|
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/// Returns a 16-bit unsigned integer converted from two bytes at a specified position in a byte array.
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/// </summary>
|
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/// <param name="value">An array of bytes.</param>
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/// <param name="startIndex">The starting position within value.</param>
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/// <returns>A 16-bit unsigned integer formed by two bytes beginning at startIndex.</returns>
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public ushort ToUInt16(byte[] value, int startIndex) |
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{ |
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return unchecked((ushort)this.ToInt16(value, startIndex)); |
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} |
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|
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/// <summary>
|
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/// Returns a 32-bit unsigned integer converted from four bytes at a specified position in a byte array.
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/// </summary>
|
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/// <param name="value">An array of bytes.</param>
|
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/// <param name="startIndex">The starting position within value.</param>
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/// <returns>A 32-bit unsigned integer formed by four bytes beginning at startIndex.</returns>
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public uint ToUInt32(byte[] value, int startIndex) |
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{ |
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return unchecked((uint)this.ToInt32(value, startIndex)); |
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} |
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|
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/// <summary>
|
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/// Returns a 64-bit unsigned integer converted from eight bytes at a specified position in a byte array.
|
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/// </summary>
|
|||
/// <param name="value">An array of bytes.</param>
|
|||
/// <param name="startIndex">The starting position within value.</param>
|
|||
/// <returns>A 64-bit unsigned integer formed by eight bytes beginning at startIndex.</returns>
|
|||
public ulong ToUInt64(byte[] value, int startIndex) |
|||
{ |
|||
return unchecked((ulong)this.ToInt64(value, startIndex)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Returns a Boolean value converted from one byte at a specified position in a byte array.
|
|||
/// </summary>
|
|||
/// <param name="value">An array of bytes.</param>
|
|||
/// <param name="startIndex">The starting position within value.</param>
|
|||
/// <returns>true if the byte at startIndex in value is nonzero; otherwise, false.</returns>
|
|||
public bool ToBoolean(byte[] value, int startIndex) |
|||
{ |
|||
CheckByteArgument(value, startIndex, 1); |
|||
return value[startIndex] != 0; |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Returns a Unicode character converted from two bytes at a specified position in a byte array.
|
|||
/// </summary>
|
|||
/// <param name="value">An array of bytes.</param>
|
|||
/// <param name="startIndex">The starting position within value.</param>
|
|||
/// <returns>A character formed by two bytes beginning at startIndex.</returns>
|
|||
public char ToChar(byte[] value, int startIndex) |
|||
{ |
|||
return unchecked((char)this.ToInt16(value, startIndex)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Returns a double-precision floating point number converted from eight bytes
|
|||
/// at a specified position in a byte array.
|
|||
/// </summary>
|
|||
/// <param name="value">An array of bytes.</param>
|
|||
/// <param name="startIndex">The starting position within value.</param>
|
|||
/// <returns>A double precision floating point number formed by eight bytes beginning at startIndex.</returns>
|
|||
public unsafe double ToDouble(byte[] value, int startIndex) |
|||
{ |
|||
long intValue = this.ToInt64(value, startIndex); |
|||
return *((double*)&intValue); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Returns a single-precision floating point number converted from four bytes
|
|||
/// at a specified position in a byte array.
|
|||
/// </summary>
|
|||
/// <param name="value">An array of bytes.</param>
|
|||
/// <param name="startIndex">The starting position within value.</param>
|
|||
/// <returns>A single precision floating point number formed by four bytes beginning at startIndex.</returns>
|
|||
public unsafe float ToSingle(byte[] value, int startIndex) |
|||
{ |
|||
int intValue = this.ToInt32(value, startIndex); |
|||
return *((float*)&intValue); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Returns a decimal value converted from sixteen bytes
|
|||
/// at a specified position in a byte array.
|
|||
/// </summary>
|
|||
/// <param name="value">An array of bytes.</param>
|
|||
/// <param name="startIndex">The starting position within value.</param>
|
|||
/// <returns>A decimal formed by sixteen bytes beginning at startIndex.</returns>
|
|||
public unsafe decimal ToDecimal(byte[] value, int startIndex) |
|||
{ |
|||
CheckByteArgument(value, startIndex, 16); |
|||
|
|||
decimal result = 0m; |
|||
int* presult = (int*)&result; |
|||
presult[0] = this.ToInt32(value, startIndex); |
|||
presult[1] = this.ToInt32(value, startIndex + 4); |
|||
presult[2] = this.ToInt32(value, startIndex + 8); |
|||
presult[3] = this.ToInt32(value, startIndex + 12); |
|||
return result; |
|||
} |
|||
} |
|||
} |
|||
@ -1,127 +0,0 @@ |
|||
// Copyright (c) Six Labors and contributors.
|
|||
// Licensed under the Apache License, Version 2.0.
|
|||
|
|||
using System; |
|||
using System.Runtime.CompilerServices; |
|||
|
|||
namespace SixLabors.ImageSharp.IO |
|||
{ |
|||
/// <summary>
|
|||
/// Equivalent of <see cref="BitConverter"/>, but with either endianness.
|
|||
/// </summary>
|
|||
internal abstract partial class EndianBitConverter |
|||
{ |
|||
/// <summary>
|
|||
/// The little-endian bit converter.
|
|||
/// </summary>
|
|||
public static readonly LittleEndianBitConverter LittleEndianConverter = new LittleEndianBitConverter(); |
|||
|
|||
/// <summary>
|
|||
/// The big-endian bit converter.
|
|||
/// </summary>
|
|||
public static readonly BigEndianBitConverter BigEndianConverter = new BigEndianBitConverter(); |
|||
|
|||
/// <summary>
|
|||
/// Gets the byte order ("endianness") in which data is converted using this class.
|
|||
/// </summary>
|
|||
public abstract Endianness Endianness { get; } |
|||
|
|||
/// <summary>
|
|||
/// Gets a value indicating whether the byte order ("endianness") in which data is converted is little endian.
|
|||
/// </summary>
|
|||
/// <remarks>
|
|||
/// Different computer architectures store data using different byte orders. "Big-endian"
|
|||
/// means the most significant byte is on the left end of a word. "Little-endian" means the
|
|||
/// most significant byte is on the right end of a word.
|
|||
/// </remarks>
|
|||
public abstract bool IsLittleEndian { get; } |
|||
|
|||
/// <summary>
|
|||
/// Gets the converter.
|
|||
/// </summary>
|
|||
/// <param name="endianness">The endianness.</param>
|
|||
/// <returns>an <see cref="EndianBitConverter"/></returns>
|
|||
/// <exception cref="ArgumentException">Not a valid form of Endianness - endianness</exception>
|
|||
public static EndianBitConverter GetConverter(Endianness endianness) |
|||
{ |
|||
switch (endianness) |
|||
{ |
|||
case Endianness.LittleEndian: |
|||
return LittleEndianConverter; |
|||
case Endianness.BigEndian: |
|||
return BigEndianConverter; |
|||
default: |
|||
throw new ArgumentException("Not a valid form of Endianness", nameof(endianness)); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Returns a String converted from the elements of a byte array.
|
|||
/// </summary>
|
|||
/// <param name="value">An array of bytes.</param>
|
|||
/// <remarks>All the elements of value are converted.</remarks>
|
|||
/// <returns>
|
|||
/// A String of hexadecimal pairs separated by hyphens, where each pair
|
|||
/// represents the corresponding element in value; for example, "7F-2C-4A".
|
|||
/// </returns>
|
|||
public static string ToString(byte[] value) |
|||
{ |
|||
return BitConverter.ToString(value); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Returns a String converted from the elements of a byte array starting at a specified array position.
|
|||
/// </summary>
|
|||
/// <param name="value">An array of bytes.</param>
|
|||
/// <param name="startIndex">The starting position within value.</param>
|
|||
/// <remarks>The elements from array position startIndex to the end of the array are converted.</remarks>
|
|||
/// <returns>
|
|||
/// A String of hexadecimal pairs separated by hyphens, where each pair
|
|||
/// represents the corresponding element in value; for example, "7F-2C-4A".
|
|||
/// </returns>
|
|||
public static string ToString(byte[] value, int startIndex) |
|||
{ |
|||
return BitConverter.ToString(value, startIndex); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Returns a String converted from a specified number of bytes at a specified position in a byte array.
|
|||
/// </summary>
|
|||
/// <param name="value">An array of bytes.</param>
|
|||
/// <param name="startIndex">The starting position within value.</param>
|
|||
/// <param name="length">The number of bytes to convert.</param>
|
|||
/// <remarks>The length elements from array position startIndex are converted.</remarks>
|
|||
/// <returns>
|
|||
/// A String of hexadecimal pairs separated by hyphens, where each pair
|
|||
/// represents the corresponding element in value; for example, "7F-2C-4A".
|
|||
/// </returns>
|
|||
public static string ToString(byte[] value, int startIndex, int length) |
|||
{ |
|||
return BitConverter.ToString(value, startIndex, length); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Checks the given argument for validity.
|
|||
/// </summary>
|
|||
/// <param name="value">The byte array passed in</param>
|
|||
/// <param name="startIndex">The start index passed in</param>
|
|||
/// <param name="bytesRequired">The number of bytes required</param>
|
|||
/// <exception cref="ArgumentNullException">value is a null reference</exception>
|
|||
/// <exception cref="ArgumentOutOfRangeException">
|
|||
/// startIndex is less than zero or greater than the length of value minus bytesRequired.
|
|||
/// </exception>
|
|||
[MethodImpl(MethodImplOptions.AggressiveInlining)] |
|||
protected static void CheckByteArgument(byte[] value, int startIndex, int bytesRequired) |
|||
{ |
|||
if (value == null) |
|||
{ |
|||
throw new ArgumentNullException(nameof(value)); |
|||
} |
|||
|
|||
if (startIndex < 0 || startIndex > value.Length - bytesRequired) |
|||
{ |
|||
throw new ArgumentOutOfRangeException(nameof(startIndex)); |
|||
} |
|||
} |
|||
} |
|||
} |
|||
@ -1,81 +0,0 @@ |
|||
// Copyright (c) Six Labors and contributors.
|
|||
// Licensed under the Apache License, Version 2.0.
|
|||
|
|||
namespace SixLabors.ImageSharp.IO |
|||
{ |
|||
/// <summary>
|
|||
/// Implementation of EndianBitConverter which converts to/from little-endian byte arrays.
|
|||
/// </summary>
|
|||
internal sealed class LittleEndianBitConverter : EndianBitConverter |
|||
{ |
|||
/// <inheritdoc/>
|
|||
public override Endianness Endianness |
|||
{ |
|||
get { return Endianness.LittleEndian; } |
|||
} |
|||
|
|||
/// <inheritdoc/>
|
|||
public override bool IsLittleEndian |
|||
{ |
|||
get { return true; } |
|||
} |
|||
|
|||
/// <inheritdoc/>
|
|||
public override void CopyBytes(short value, byte[] buffer, int index) |
|||
{ |
|||
CheckByteArgument(buffer, index, 2); |
|||
|
|||
buffer[index + 1] = (byte)(value >> 8); |
|||
buffer[index] = (byte)value; |
|||
} |
|||
|
|||
/// <inheritdoc/>
|
|||
public override void CopyBytes(int value, byte[] buffer, int index) |
|||
{ |
|||
CheckByteArgument(buffer, index, 4); |
|||
|
|||
buffer[index + 3] = (byte)(value >> 24); |
|||
buffer[index + 2] = (byte)(value >> 16); |
|||
buffer[index + 1] = (byte)(value >> 8); |
|||
buffer[index] = (byte)value; |
|||
} |
|||
|
|||
/// <inheritdoc/>
|
|||
public override void CopyBytes(long value, byte[] buffer, int index) |
|||
{ |
|||
CheckByteArgument(buffer, index, 8); |
|||
|
|||
buffer[index + 7] = (byte)(value >> 56); |
|||
buffer[index + 6] = (byte)(value >> 48); |
|||
buffer[index + 5] = (byte)(value >> 40); |
|||
buffer[index + 4] = (byte)(value >> 32); |
|||
buffer[index + 3] = (byte)(value >> 24); |
|||
buffer[index + 2] = (byte)(value >> 16); |
|||
buffer[index + 1] = (byte)(value >> 8); |
|||
buffer[index] = (byte)value; |
|||
} |
|||
|
|||
/// <inheritdoc/>
|
|||
public unsafe override short ToInt16(byte[] value, int startIndex) |
|||
{ |
|||
CheckByteArgument(value, startIndex, 2); |
|||
return (short)((value[startIndex + 1] << 8) | value[startIndex]); |
|||
} |
|||
|
|||
/// <inheritdoc/>
|
|||
public unsafe override int ToInt32(byte[] value, int startIndex) |
|||
{ |
|||
CheckByteArgument(value, startIndex, 4); |
|||
return (value[startIndex + 3] << 24) | (value[startIndex + 2] << 16) | (value[startIndex + 1] << 8) | value[startIndex]; |
|||
} |
|||
|
|||
/// <inheritdoc/>
|
|||
public unsafe override long ToInt64(byte[] value, int startIndex) |
|||
{ |
|||
CheckByteArgument(value, startIndex, 8); |
|||
long p1 = (value[startIndex + 7] << 24) | (value[startIndex + 6] << 16) | (value[startIndex + 5] << 8) | value[startIndex + 4]; |
|||
long p2 = (value[startIndex + 3] << 24) | (value[startIndex + 2] << 16) | (value[startIndex + 1] << 8) | value[startIndex]; |
|||
return (p2 & 0xFFFFFFFF) | (p1 << 32); |
|||
} |
|||
} |
|||
} |
|||
@ -1,228 +0,0 @@ |
|||
// Copyright (c) Six Labors and contributors.
|
|||
// Licensed under the Apache License, Version 2.0.
|
|||
|
|||
using System; |
|||
using SixLabors.ImageSharp.IO; |
|||
using Xunit; |
|||
|
|||
namespace SixLabors.ImageSharp.Tests.IO |
|||
{ |
|||
/// <summary>
|
|||
/// The <see cref="BigEndianBitConverter"/> tests.
|
|||
/// </summary>
|
|||
public class BigEndianBitConverterCopyBytesTests |
|||
{ |
|||
[Fact] |
|||
public void CopyToWithNullBufferThrowsException() |
|||
{ |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.BigEndianConverter.CopyBytes(false, null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.BigEndianConverter.CopyBytes((short)42, null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.BigEndianConverter.CopyBytes((ushort)42, null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.BigEndianConverter.CopyBytes(42, null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.BigEndianConverter.CopyBytes(42u, null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.BigEndianConverter.CopyBytes(42L, null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.BigEndianConverter.CopyBytes((ulong)42L, null, 0)); |
|||
} |
|||
|
|||
[Fact] |
|||
public void CopyToWithIndexTooBigThrowsException() |
|||
{ |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.CopyBytes(false, new byte[1], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.CopyBytes((short)42, new byte[2], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.CopyBytes((ushort)42, new byte[2], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.CopyBytes(42, new byte[4], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.CopyBytes(42u, new byte[4], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.CopyBytes(42L, new byte[8], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.CopyBytes((ulong)42L, new byte[8], 1)); |
|||
} |
|||
|
|||
[Fact] |
|||
public void CopyToWithBufferTooSmallThrowsException() |
|||
{ |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.CopyBytes(false, new byte[0], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.CopyBytes((short)42, new byte[1], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.CopyBytes((ushort)42, new byte[1], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.CopyBytes(42, new byte[3], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.CopyBytes(42u, new byte[3], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.CopyBytes(42L, new byte[7], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.CopyBytes((ulong)42L, new byte[7], 0)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="bool"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void CopyBytesBoolean() |
|||
{ |
|||
byte[] buffer = new byte[1]; |
|||
|
|||
EndianBitConverter.BigEndianConverter.CopyBytes(false, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(true, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1 }, buffer); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="short"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void CopyBytesShort() |
|||
{ |
|||
byte[] buffer = new byte[2]; |
|||
|
|||
EndianBitConverter.BigEndianConverter.CopyBytes((short)0, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes((short)1, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 1 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes((short)256, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes((short)-1, buffer, 0); |
|||
this.CheckBytes(new byte[] { 255, 255 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes((short)257, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 1 }, buffer); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="ushort"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void CopyBytesUShort() |
|||
{ |
|||
byte[] buffer = new byte[2]; |
|||
|
|||
EndianBitConverter.BigEndianConverter.CopyBytes((ushort)0, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes((ushort)1, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 1 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes((ushort)256, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(ushort.MaxValue, buffer, 0); |
|||
this.CheckBytes(new byte[] { 255, 255 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes((ushort)257, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 1 }, buffer); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="int"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void CopyBytesInt() |
|||
{ |
|||
byte[] buffer = new byte[4]; |
|||
|
|||
EndianBitConverter.BigEndianConverter.CopyBytes(0, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(1, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 1 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(256, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(65536, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 1, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(16777216, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(-1, buffer, 0); |
|||
this.CheckBytes(new byte[] { 255, 255, 255, 255 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(257, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 1 }, buffer); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="uint"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void CopyBytesUInt() |
|||
{ |
|||
byte[] buffer = new byte[4]; |
|||
|
|||
EndianBitConverter.BigEndianConverter.CopyBytes((uint)0, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes((uint)1, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 1 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes((uint)256, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes((uint)65536, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 1, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes((uint)16777216, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(uint.MaxValue, buffer, 0); |
|||
this.CheckBytes(new byte[] { 255, 255, 255, 255 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes((uint)257, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 1 }, buffer); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="long"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void CopyBytesLong() |
|||
{ |
|||
byte[] buffer = new byte[8]; |
|||
|
|||
EndianBitConverter.BigEndianConverter.CopyBytes(0L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(1L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 0, 1 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(256L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 1, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(65536L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 1, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(16777216L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 1, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(4294967296L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 1, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(1099511627776L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 0, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(1099511627776L * 256, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 1, 0, 0, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(1099511627776L * 256 * 256, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(-1L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 255, 255, 255, 255, 255, 255, 255, 255 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(257L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 1, 1 }, buffer); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="ulong"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void CopyBytesULong() |
|||
{ |
|||
byte[] buffer = new byte[8]; |
|||
|
|||
EndianBitConverter.BigEndianConverter.CopyBytes(0UL, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(1UL, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 0, 1 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(256UL, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 1, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(65536UL, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 1, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(16777216UL, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 1, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(4294967296UL, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 1, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(1099511627776UL, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 0, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(1099511627776UL * 256, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 1, 0, 0, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(1099511627776UL * 256 * 256, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(ulong.MaxValue, buffer, 0); |
|||
this.CheckBytes(new byte[] { 255, 255, 255, 255, 255, 255, 255, 255 }, buffer); |
|||
EndianBitConverter.BigEndianConverter.CopyBytes(257UL, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 1, 1 }, buffer); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests the two byte arrays for equality.
|
|||
/// </summary>
|
|||
/// <param name="expected">The expected bytes.</param>
|
|||
/// <param name="actual">The actual bytes.</param>
|
|||
private void CheckBytes(byte[] expected, byte[] actual) |
|||
{ |
|||
Assert.Equal(expected.Length, actual.Length); |
|||
Assert.Equal(expected, actual); |
|||
} |
|||
} |
|||
} |
|||
@ -1,129 +0,0 @@ |
|||
// Copyright (c) Six Labors and contributors.
|
|||
// Licensed under the Apache License, Version 2.0.
|
|||
|
|||
using SixLabors.ImageSharp.IO; |
|||
using Xunit; |
|||
|
|||
namespace SixLabors.ImageSharp.Tests.IO |
|||
{ |
|||
/// <summary>
|
|||
/// The <see cref="BigEndianBitConverter"/> tests.
|
|||
/// </summary>
|
|||
public class BigEndianBitConverterGetBytesTests |
|||
{ |
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="bool"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void GetBytesBoolean() |
|||
{ |
|||
this.CheckBytes(new byte[] { 0 }, EndianBitConverter.BigEndianConverter.GetBytes(false)); |
|||
this.CheckBytes(new byte[] { 1 }, EndianBitConverter.BigEndianConverter.GetBytes(true)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="short"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void GetBytesShort() |
|||
{ |
|||
this.CheckBytes(new byte[] { 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes((short)0)); |
|||
this.CheckBytes(new byte[] { 0, 1 }, EndianBitConverter.BigEndianConverter.GetBytes((short)1)); |
|||
this.CheckBytes(new byte[] { 1, 0 }, EndianBitConverter.BigEndianConverter.GetBytes((short)256)); |
|||
this.CheckBytes(new byte[] { 255, 255 }, EndianBitConverter.BigEndianConverter.GetBytes((short)-1)); |
|||
this.CheckBytes(new byte[] { 1, 1 }, EndianBitConverter.BigEndianConverter.GetBytes((short)257)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="ushort"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void GetBytesUShort() |
|||
{ |
|||
this.CheckBytes(new byte[] { 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes((ushort)0)); |
|||
this.CheckBytes(new byte[] { 0, 1 }, EndianBitConverter.BigEndianConverter.GetBytes((ushort)1)); |
|||
this.CheckBytes(new byte[] { 1, 0 }, EndianBitConverter.BigEndianConverter.GetBytes((ushort)256)); |
|||
this.CheckBytes(new byte[] { 255, 255 }, EndianBitConverter.BigEndianConverter.GetBytes(ushort.MaxValue)); |
|||
this.CheckBytes(new byte[] { 1, 1 }, EndianBitConverter.BigEndianConverter.GetBytes((ushort)257)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="int"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void GetBytesInt() |
|||
{ |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(0)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 1 }, EndianBitConverter.BigEndianConverter.GetBytes(1)); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(256)); |
|||
this.CheckBytes(new byte[] { 0, 1, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(65536)); |
|||
this.CheckBytes(new byte[] { 1, 0, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(16777216)); |
|||
this.CheckBytes(new byte[] { 255, 255, 255, 255 }, EndianBitConverter.BigEndianConverter.GetBytes(-1)); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 1 }, EndianBitConverter.BigEndianConverter.GetBytes(257)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="uint"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void GetBytesUInt() |
|||
{ |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes((uint)0)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 1 }, EndianBitConverter.BigEndianConverter.GetBytes((uint)1)); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 0 }, EndianBitConverter.BigEndianConverter.GetBytes((uint)256)); |
|||
this.CheckBytes(new byte[] { 0, 1, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes((uint)65536)); |
|||
this.CheckBytes(new byte[] { 1, 0, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes((uint)16777216)); |
|||
this.CheckBytes(new byte[] { 255, 255, 255, 255 }, EndianBitConverter.BigEndianConverter.GetBytes(uint.MaxValue)); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 1 }, EndianBitConverter.BigEndianConverter.GetBytes((uint)257)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="long"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void GetBytesLong() |
|||
{ |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(0L)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 0, 1 }, EndianBitConverter.BigEndianConverter.GetBytes(1L)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 1, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(256L)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 1, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(65536L)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 1, 0, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(16777216L)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 1, 0, 0, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(4294967296L)); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 0, 0, 0, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(1099511627776L)); |
|||
this.CheckBytes(new byte[] { 0, 1, 0, 0, 0, 0, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(1099511627776L * 256)); |
|||
this.CheckBytes(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(1099511627776L * 256 * 256)); |
|||
this.CheckBytes(new byte[] { 255, 255, 255, 255, 255, 255, 255, 255 }, EndianBitConverter.BigEndianConverter.GetBytes(-1L)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 1, 1 }, EndianBitConverter.BigEndianConverter.GetBytes(257L)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="ulong"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void GetBytesULong() |
|||
{ |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(0UL)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 0, 1 }, EndianBitConverter.BigEndianConverter.GetBytes(1UL)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 1, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(256UL)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 1, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(65536UL)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 1, 0, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(16777216UL)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 1, 0, 0, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(4294967296UL)); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 0, 0, 0, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(1099511627776UL)); |
|||
this.CheckBytes(new byte[] { 0, 1, 0, 0, 0, 0, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(1099511627776UL * 256)); |
|||
this.CheckBytes(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0 }, EndianBitConverter.BigEndianConverter.GetBytes(1099511627776UL * 256 * 256)); |
|||
this.CheckBytes(new byte[] { 255, 255, 255, 255, 255, 255, 255, 255 }, EndianBitConverter.BigEndianConverter.GetBytes(ulong.MaxValue)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 1, 1 }, EndianBitConverter.BigEndianConverter.GetBytes(257UL)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests the two byte arrays for equality.
|
|||
/// </summary>
|
|||
/// <param name="expected">The expected bytes.</param>
|
|||
/// <param name="actual">The actual bytes.</param>
|
|||
private void CheckBytes(byte[] expected, byte[] actual) |
|||
{ |
|||
Assert.Equal(expected.Length, actual.Length); |
|||
Assert.Equal(expected, actual); |
|||
} |
|||
} |
|||
} |
|||
@ -1,216 +0,0 @@ |
|||
// Copyright (c) Six Labors and contributors.
|
|||
// Licensed under the Apache License, Version 2.0.
|
|||
|
|||
using System; |
|||
using SixLabors.ImageSharp.IO; |
|||
using Xunit; |
|||
|
|||
namespace SixLabors.ImageSharp.Tests.IO |
|||
{ |
|||
/// <summary>
|
|||
/// The <see cref="BigEndianBitConverter"/> tests.
|
|||
/// </summary>
|
|||
public class BigEndianBitConverterTests |
|||
{ |
|||
[Fact] |
|||
public void CopyToWithNullBufferThrowsException() |
|||
{ |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.BigEndianConverter.ToBoolean(null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.BigEndianConverter.ToInt16(null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.BigEndianConverter.ToUInt16(null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.BigEndianConverter.ToInt32(null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.BigEndianConverter.ToUInt32(null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.BigEndianConverter.ToInt64(null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.BigEndianConverter.ToUInt64(null, 0)); |
|||
} |
|||
|
|||
[Fact] |
|||
public void CopyToWithIndexTooBigThrowsException() |
|||
{ |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.ToBoolean(new byte[1], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.ToInt16(new byte[2], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.ToUInt16(new byte[2], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.ToInt32(new byte[4], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.ToUInt32(new byte[4], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.ToInt64(new byte[8], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.ToUInt64(new byte[8], 1)); |
|||
} |
|||
|
|||
[Fact] |
|||
public void CopyToWithBufferTooSmallThrowsException() |
|||
{ |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.ToBoolean(new byte[0], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.ToInt16(new byte[1], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.ToUInt16(new byte[1], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.ToInt32(new byte[3], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.ToUInt32(new byte[3], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.ToInt64(new byte[7], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.BigEndianConverter.ToUInt64(new byte[7], 0)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="bool"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void ToBoolean() |
|||
{ |
|||
Assert.False(EndianBitConverter.BigEndianConverter.ToBoolean(new byte[] { 0 }, 0)); |
|||
Assert.True(EndianBitConverter.BigEndianConverter.ToBoolean(new byte[] { 1 }, 0)); |
|||
Assert.True(EndianBitConverter.BigEndianConverter.ToBoolean(new byte[] { 42 }, 0)); |
|||
|
|||
Assert.False(EndianBitConverter.BigEndianConverter.ToBoolean(new byte[] { 1, 0 }, 1)); |
|||
Assert.True(EndianBitConverter.BigEndianConverter.ToBoolean(new byte[] { 0, 1 }, 1)); |
|||
Assert.True(EndianBitConverter.BigEndianConverter.ToBoolean(new byte[] { 0, 42 }, 1)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="short"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void ToInt16() |
|||
{ |
|||
Assert.Equal((short)0, EndianBitConverter.BigEndianConverter.ToInt16(new byte[] { 0, 0 }, 0)); |
|||
Assert.Equal((short)1, EndianBitConverter.BigEndianConverter.ToInt16(new byte[] { 0, 1 }, 0)); |
|||
Assert.Equal((short)256, EndianBitConverter.BigEndianConverter.ToInt16(new byte[] { 1, 0 }, 0)); |
|||
Assert.Equal((short)-1, EndianBitConverter.BigEndianConverter.ToInt16(new byte[] { 255, 255 }, 0)); |
|||
Assert.Equal((short)257, EndianBitConverter.BigEndianConverter.ToInt16(new byte[] { 1, 1 }, 0)); |
|||
|
|||
Assert.Equal((short)0, EndianBitConverter.BigEndianConverter.ToInt16(new byte[] { 1, 0, 0 }, 1)); |
|||
Assert.Equal((short)1, EndianBitConverter.BigEndianConverter.ToInt16(new byte[] { 1, 0, 1 }, 1)); |
|||
Assert.Equal((short)256, EndianBitConverter.BigEndianConverter.ToInt16(new byte[] { 0, 1, 0 }, 1)); |
|||
Assert.Equal((short)-1, EndianBitConverter.BigEndianConverter.ToInt16(new byte[] { 0, 255, 255 }, 1)); |
|||
Assert.Equal((short)257, EndianBitConverter.BigEndianConverter.ToInt16(new byte[] { 0, 1, 1 }, 1)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="ushort"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void ToUInt16() |
|||
{ |
|||
Assert.Equal((ushort)0, EndianBitConverter.BigEndianConverter.ToUInt16(new byte[] { 0, 0 }, 0)); |
|||
Assert.Equal((ushort)1, EndianBitConverter.BigEndianConverter.ToUInt16(new byte[] { 0, 1 }, 0)); |
|||
Assert.Equal((ushort)256, EndianBitConverter.BigEndianConverter.ToUInt16(new byte[] { 1, 0 }, 0)); |
|||
Assert.Equal(ushort.MaxValue, EndianBitConverter.BigEndianConverter.ToUInt16(new byte[] { 255, 255 }, 0)); |
|||
Assert.Equal((ushort)257, EndianBitConverter.BigEndianConverter.ToUInt16(new byte[] { 1, 1 }, 0)); |
|||
|
|||
Assert.Equal((ushort)0, EndianBitConverter.BigEndianConverter.ToUInt16(new byte[] { 1, 0, 0 }, 1)); |
|||
Assert.Equal((ushort)1, EndianBitConverter.BigEndianConverter.ToUInt16(new byte[] { 1, 0, 1 }, 1)); |
|||
Assert.Equal((ushort)256, EndianBitConverter.BigEndianConverter.ToUInt16(new byte[] { 0, 1, 0 }, 1)); |
|||
Assert.Equal(ushort.MaxValue, EndianBitConverter.BigEndianConverter.ToUInt16(new byte[] { 0, 255, 255 }, 1)); |
|||
Assert.Equal((ushort)257, EndianBitConverter.BigEndianConverter.ToUInt16(new byte[] { 0, 1, 1 }, 1)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="int"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void ToInt32() |
|||
{ |
|||
Assert.Equal(0, EndianBitConverter.BigEndianConverter.ToInt32(new byte[] { 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(1, EndianBitConverter.BigEndianConverter.ToInt32(new byte[] { 0, 0, 0, 1 }, 0)); |
|||
Assert.Equal(256, EndianBitConverter.BigEndianConverter.ToInt32(new byte[] { 0, 0, 1, 0 }, 0)); |
|||
Assert.Equal(65536, EndianBitConverter.BigEndianConverter.ToInt32(new byte[] { 0, 1, 0, 0 }, 0)); |
|||
Assert.Equal(16777216, EndianBitConverter.BigEndianConverter.ToInt32(new byte[] { 1, 0, 0, 0 }, 0)); |
|||
Assert.Equal(-1, EndianBitConverter.BigEndianConverter.ToInt32(new byte[] { 255, 255, 255, 255 }, 0)); |
|||
Assert.Equal(257, EndianBitConverter.BigEndianConverter.ToInt32(new byte[] { 0, 0, 1, 1 }, 0)); |
|||
|
|||
Assert.Equal(0, EndianBitConverter.BigEndianConverter.ToInt32(new byte[] { 1, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(1, EndianBitConverter.BigEndianConverter.ToInt32(new byte[] { 1, 0, 0, 0, 1 }, 1)); |
|||
Assert.Equal(256, EndianBitConverter.BigEndianConverter.ToInt32(new byte[] { 1, 0, 0, 1, 0 }, 1)); |
|||
Assert.Equal(65536, EndianBitConverter.BigEndianConverter.ToInt32(new byte[] { 1, 0, 1, 0, 0 }, 1)); |
|||
Assert.Equal(16777216, EndianBitConverter.BigEndianConverter.ToInt32(new byte[] { 0, 1, 0, 0, 0 }, 1)); |
|||
Assert.Equal(-1, EndianBitConverter.BigEndianConverter.ToInt32(new byte[] { 0, 255, 255, 255, 255 }, 1)); |
|||
Assert.Equal(257, EndianBitConverter.BigEndianConverter.ToInt32(new byte[] { 1, 0, 0, 1, 1 }, 1)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="uint"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void ToUInt32() |
|||
{ |
|||
Assert.Equal((uint)0, EndianBitConverter.BigEndianConverter.ToUInt32(new byte[] { 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal((uint)1, EndianBitConverter.BigEndianConverter.ToUInt32(new byte[] { 0, 0, 0, 1 }, 0)); |
|||
Assert.Equal((uint)256, EndianBitConverter.BigEndianConverter.ToUInt32(new byte[] { 0, 0, 1, 0 }, 0)); |
|||
Assert.Equal((uint)65536, EndianBitConverter.BigEndianConverter.ToUInt32(new byte[] { 0, 1, 0, 0 }, 0)); |
|||
Assert.Equal((uint)16777216, EndianBitConverter.BigEndianConverter.ToUInt32(new byte[] { 1, 0, 0, 0 }, 0)); |
|||
Assert.Equal(uint.MaxValue, EndianBitConverter.BigEndianConverter.ToUInt32(new byte[] { 255, 255, 255, 255 }, 0)); |
|||
Assert.Equal((uint)257, EndianBitConverter.BigEndianConverter.ToUInt32(new byte[] { 0, 0, 1, 1 }, 0)); |
|||
|
|||
Assert.Equal((uint)0, EndianBitConverter.BigEndianConverter.ToUInt32(new byte[] { 1, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal((uint)1, EndianBitConverter.BigEndianConverter.ToUInt32(new byte[] { 1, 0, 0, 0, 1 }, 1)); |
|||
Assert.Equal((uint)256, EndianBitConverter.BigEndianConverter.ToUInt32(new byte[] { 1, 0, 0, 1, 0 }, 1)); |
|||
Assert.Equal((uint)65536, EndianBitConverter.BigEndianConverter.ToUInt32(new byte[] { 1, 0, 1, 0, 0 }, 1)); |
|||
Assert.Equal((uint)16777216, EndianBitConverter.BigEndianConverter.ToUInt32(new byte[] { 0, 1, 0, 0, 0 }, 1)); |
|||
Assert.Equal(uint.MaxValue, EndianBitConverter.BigEndianConverter.ToUInt32(new byte[] { 0, 255, 255, 255, 255 }, 1)); |
|||
Assert.Equal((uint)257, EndianBitConverter.BigEndianConverter.ToUInt32(new byte[] { 1, 0, 0, 1, 1 }, 1)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="long"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void ToInt64() |
|||
{ |
|||
Assert.Equal(0L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(1L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 0, 0, 0, 0, 0, 0, 0, 1 }, 0)); |
|||
Assert.Equal(256L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 0, 0, 0, 0, 0, 0, 1, 0 }, 0)); |
|||
Assert.Equal(65536L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 0, 0, 0, 0, 0, 1, 0, 0 }, 0)); |
|||
Assert.Equal(16777216L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 0, 0, 0, 0, 1, 0, 0, 0 }, 0)); |
|||
Assert.Equal(4294967296L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 0, 0, 0, 1, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(1099511627776L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 0, 0, 1, 0, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(1099511627776L * 256, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 0, 1, 0, 0, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(1099511627776L * 256 * 256, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(-1L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 255, 255, 255, 255, 255, 255, 255, 255 }, 0)); |
|||
Assert.Equal(257L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 0, 0, 0, 0, 0, 0, 1, 1 }, 0)); |
|||
Assert.Equal(4294967295L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 0, 0, 0, 0, 255, 255, 255, 255 }, 0)); |
|||
Assert.Equal(-4294967296L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 255, 255, 255, 255, 0, 0, 0, 0 }, 0)); |
|||
|
|||
Assert.Equal(0L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(1L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0, 1 }, 1)); |
|||
Assert.Equal(256L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 1, 0 }, 1)); |
|||
Assert.Equal(65536L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 1, 0, 0, 0, 0, 0, 1, 0, 0 }, 1)); |
|||
Assert.Equal(16777216L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 1, 0, 0, 0, 0, 1, 0, 0, 0 }, 1)); |
|||
Assert.Equal(4294967296L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 1, 0, 0, 0, 1, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(1099511627776L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 1, 0, 0, 1, 0, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(1099511627776L * 256, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 1, 0, 1, 0, 0, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(1099511627776L * 256 * 256, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 0, 1, 0, 0, 0, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(-1L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 0, 255, 255, 255, 255, 255, 255, 255, 255 }, 1)); |
|||
Assert.Equal(257L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 1, 1 }, 1)); |
|||
Assert.Equal(4294967295L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 1, 0, 0, 0, 0, 255, 255, 255, 255 }, 1)); |
|||
Assert.Equal(-4294967296L, EndianBitConverter.BigEndianConverter.ToInt64(new byte[] { 1, 255, 255, 255, 255, 0, 0, 0, 0 }, 1)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="ulong"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void ToUInt64() |
|||
{ |
|||
Assert.Equal(0UL, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(1UL, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 0, 0, 0, 0, 0, 0, 0, 1 }, 0)); |
|||
Assert.Equal(256UL, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 0, 0, 0, 0, 0, 0, 1, 0 }, 0)); |
|||
Assert.Equal(65536UL, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 0, 0, 0, 0, 0, 1, 0, 0 }, 0)); |
|||
Assert.Equal(16777216UL, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 0, 0, 0, 0, 1, 0, 0, 0 }, 0)); |
|||
Assert.Equal(4294967296UL, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 0, 0, 0, 1, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(1099511627776UL, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 0, 0, 1, 0, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(1099511627776UL * 256, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 0, 1, 0, 0, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(1099511627776UL * 256 * 256, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(ulong.MaxValue, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 255, 255, 255, 255, 255, 255, 255, 255 }, 0)); |
|||
Assert.Equal(257UL, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 0, 0, 0, 0, 0, 0, 1, 1 }, 0)); |
|||
|
|||
Assert.Equal(0UL, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(1UL, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0, 1 }, 1)); |
|||
Assert.Equal(256UL, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 1, 0 }, 1)); |
|||
Assert.Equal(65536UL, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 1, 0, 0, 0, 0, 0, 1, 0, 0 }, 1)); |
|||
Assert.Equal(16777216UL, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 1, 0, 0, 0, 0, 1, 0, 0, 0 }, 1)); |
|||
Assert.Equal(4294967296UL, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 1, 0, 0, 0, 1, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(1099511627776UL, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 1, 0, 0, 1, 0, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(1099511627776UL * 256, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 1, 0, 1, 0, 0, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(1099511627776UL * 256 * 256, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 0, 1, 0, 0, 0, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(ulong.MaxValue, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 0, 255, 255, 255, 255, 255, 255, 255, 255 }, 1)); |
|||
Assert.Equal(257UL, EndianBitConverter.BigEndianConverter.ToUInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 1, 1 }, 1)); |
|||
} |
|||
} |
|||
} |
|||
@ -1,61 +0,0 @@ |
|||
// Copyright (c) Six Labors and contributors.
|
|||
// Licensed under the Apache License, Version 2.0.
|
|||
|
|||
using System; |
|||
using System.IO; |
|||
using System.Text; |
|||
using SixLabors.ImageSharp.IO; |
|||
using Xunit; |
|||
|
|||
namespace SixLabors.ImageSharp.Tests.IO |
|||
{ |
|||
/// <summary>
|
|||
/// The endian binary reader tests.
|
|||
/// </summary>
|
|||
public class EndianBinaryReaderTests |
|||
{ |
|||
/// <summary>
|
|||
/// The test string.
|
|||
/// </summary>
|
|||
private const string TestString = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmopqrstuvwxyz"; |
|||
|
|||
/// <summary>
|
|||
/// The test bytes.
|
|||
/// </summary>
|
|||
private static readonly byte[] TestBytes = Encoding.ASCII.GetBytes(TestString); |
|||
|
|||
/// <summary>
|
|||
/// Tests to ensure that the reader can read beyond internal buffer size.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void ReadCharsBeyondInternalBufferSize() |
|||
{ |
|||
MemoryStream stream = new MemoryStream(TestBytes); |
|||
using (EndianBinaryReader subject = new EndianBinaryReader(Endianness.LittleEndian, stream)) |
|||
{ |
|||
char[] chars = new char[TestString.Length]; |
|||
subject.Read(chars, 0, chars.Length); |
|||
Assert.Equal(TestString, new string(chars)); |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests to ensure that the reader cannot read beyond the provided buffer size.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void ReadCharsBeyondProvidedBufferSize() |
|||
{ |
|||
Assert.Throws<ArgumentException>( |
|||
() => |
|||
{ |
|||
MemoryStream stream = new MemoryStream(TestBytes); |
|||
using (EndianBinaryReader subject = new EndianBinaryReader(Endianness.LittleEndian, stream)) |
|||
{ |
|||
char[] chars = new char[TestString.Length - 1]; |
|||
|
|||
subject.Read(chars, 0, TestString.Length); |
|||
} |
|||
}); |
|||
} |
|||
} |
|||
} |
|||
@ -0,0 +1,97 @@ |
|||
// Copyright (c) Six Labors and contributors.
|
|||
// Licensed under the Apache License, Version 2.0.
|
|||
|
|||
using System; |
|||
using System.IO; |
|||
using SixLabors.ImageSharp.IO; |
|||
using Xunit; |
|||
|
|||
namespace SixLabors.ImageSharp.Tests.IO |
|||
{ |
|||
public class EndianBinaryReaderWriterTests |
|||
{ |
|||
[Fact] |
|||
public void RoundtripSingles() |
|||
{ |
|||
foreach ((Endianness endianness, byte[] bytes) in new[] { |
|||
(Endianness.BigEndian, new byte[] { 64, 73, 15, 219 }), |
|||
(Endianness.LittleEndian, new byte[] { 219, 15, 73, 64 }) |
|||
}) |
|||
{ |
|||
var stream = new MemoryStream(); |
|||
|
|||
using (var writer = new EndianBinaryWriter(endianness, stream)) |
|||
{ |
|||
writer.Write((float)Math.PI); |
|||
|
|||
Assert.Equal(bytes, stream.ToArray()); |
|||
} |
|||
} |
|||
} |
|||
|
|||
[Fact] |
|||
public void RoundtripDoubles() |
|||
{ |
|||
foreach ((Endianness endianness, byte[] bytes) in new[] { |
|||
(Endianness.BigEndian, new byte[] { 64, 9, 33, 251, 84, 68, 45, 24 }), |
|||
(Endianness.LittleEndian, new byte[] { 24, 45, 68, 84, 251, 33, 9, 64 }) |
|||
}) |
|||
{ |
|||
var stream = new MemoryStream(); |
|||
|
|||
using (var writer = new EndianBinaryWriter(endianness, stream)) |
|||
{ |
|||
writer.Write(Math.PI); |
|||
|
|||
Assert.Equal(bytes, stream.ToArray()); |
|||
} |
|||
} |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Ensures that the data written through a binary writer can be read back through the reader
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void RoundtripValues() |
|||
{ |
|||
foreach (Endianness endianness in new[] { Endianness.BigEndian, Endianness.LittleEndian }) |
|||
{ |
|||
var stream = new MemoryStream(); |
|||
|
|||
var writer = new EndianBinaryWriter(endianness, stream); |
|||
|
|||
writer.Write(true); // Bool
|
|||
writer.Write((byte)1); // Byte
|
|||
writer.Write((short)1); // Int16
|
|||
writer.Write(1); // Int32
|
|||
writer.Write(1L); // Int64
|
|||
writer.Write(1f); // Single
|
|||
writer.Write(1d); // Double
|
|||
writer.Write((sbyte)1); // SByte
|
|||
writer.Write((ushort)1); // UInt16
|
|||
writer.Write((uint)1); // UInt32
|
|||
writer.Write(1UL); // ULong
|
|||
|
|||
Assert.Equal(43, stream.Length); |
|||
|
|||
stream.Position = 0; |
|||
|
|||
var reader = new EndianBinaryReader(endianness, stream); |
|||
|
|||
Assert.True(reader.ReadBoolean()); // Bool
|
|||
Assert.Equal((byte)1, reader.ReadByte()); // Byte
|
|||
Assert.Equal((short)1, reader.ReadInt16()); // Int16
|
|||
Assert.Equal(1, reader.ReadInt32()); // Int32
|
|||
Assert.Equal(1L, reader.ReadInt64()); // Int64
|
|||
Assert.Equal(1f, reader.ReadSingle()); // Single
|
|||
Assert.Equal(1d, reader.ReadDouble()); // Double
|
|||
Assert.Equal((sbyte)1, reader.ReadSByte()); // SByte
|
|||
Assert.Equal((ushort)1, reader.ReadUInt16()); // UInt16
|
|||
Assert.Equal((uint)1, reader.ReadUInt32()); // UInt32
|
|||
Assert.Equal(1UL, reader.ReadUInt64()); // ULong
|
|||
|
|||
stream.Dispose(); |
|||
} |
|||
} |
|||
} |
|||
} |
|||
@ -1,228 +0,0 @@ |
|||
// Copyright (c) Six Labors and contributors.
|
|||
// Licensed under the Apache License, Version 2.0.
|
|||
|
|||
using System; |
|||
using SixLabors.ImageSharp.IO; |
|||
using Xunit; |
|||
|
|||
namespace SixLabors.ImageSharp.Tests.IO |
|||
{ |
|||
/// <summary>
|
|||
/// The <see cref="LittleEndianBitConverter"/> tests.
|
|||
/// </summary>
|
|||
public class LittleEndianBitConverterCopyBytesTests |
|||
{ |
|||
[Fact] |
|||
public void CopyToWithNullBufferThrowsException() |
|||
{ |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes(false, null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes((short)42, null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes((ushort)42, null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes(42, null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes(42u, null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes(42L, null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes((ulong)42L, null, 0)); |
|||
} |
|||
|
|||
[Fact] |
|||
public void CopyToWithIndexTooBigThrowsException() |
|||
{ |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes(false, new byte[1], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes((short)42, new byte[2], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes((ushort)42, new byte[2], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes(42, new byte[4], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes(42u, new byte[4], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes(42L, new byte[8], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes((ulong)42L, new byte[8], 1)); |
|||
} |
|||
|
|||
[Fact] |
|||
public void CopyToWithBufferTooSmallThrowsException() |
|||
{ |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes(false, new byte[0], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes((short)42, new byte[1], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes((ushort)42, new byte[1], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes(42, new byte[3], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes(42u, new byte[3], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes(42L, new byte[7], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.CopyBytes((ulong)42L, new byte[7], 0)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="bool"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void CopyBytesBoolean() |
|||
{ |
|||
byte[] buffer = new byte[1]; |
|||
|
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(false, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(true, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1 }, buffer); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="short"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void CopyBytesShort() |
|||
{ |
|||
byte[] buffer = new byte[2]; |
|||
|
|||
EndianBitConverter.LittleEndianConverter.CopyBytes((short)0, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes((short)1, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes((short)256, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 1 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes((short)-1, buffer, 0); |
|||
this.CheckBytes(new byte[] { 255, 255 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes((short)257, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 1 }, buffer); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="ushort"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void CopyBytesUShort() |
|||
{ |
|||
byte[] buffer = new byte[2]; |
|||
|
|||
EndianBitConverter.LittleEndianConverter.CopyBytes((ushort)0, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes((ushort)1, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes((ushort)256, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 1 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(ushort.MaxValue, buffer, 0); |
|||
this.CheckBytes(new byte[] { 255, 255 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes((ushort)257, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 1 }, buffer); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="int"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void CopyBytesInt() |
|||
{ |
|||
byte[] buffer = new byte[4]; |
|||
|
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(0, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(1, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(256, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 1, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(65536, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(16777216, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 1 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(-1, buffer, 0); |
|||
this.CheckBytes(new byte[] { 255, 255, 255, 255 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(257, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 1, 0, 0 }, buffer); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="uint"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void CopyBytesUInt() |
|||
{ |
|||
byte[] buffer = new byte[4]; |
|||
|
|||
EndianBitConverter.LittleEndianConverter.CopyBytes((uint)0, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes((uint)1, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes((uint)256, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 1, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes((uint)65536, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes((uint)16777216, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 1 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(uint.MaxValue, buffer, 0); |
|||
this.CheckBytes(new byte[] { 255, 255, 255, 255 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes((uint)257, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 1, 0, 0 }, buffer); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="long"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void CopyBytesLong() |
|||
{ |
|||
byte[] buffer = new byte[8]; |
|||
|
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(0L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(1L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(256L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 1, 0, 0, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(65536L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 0, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(16777216L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 1, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(4294967296L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 1, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(1099511627776L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 1, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(1099511627776L * 256, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 1, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(1099511627776L * 256 * 256, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 0, 1 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(-1L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 255, 255, 255, 255, 255, 255, 255, 255 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(257L, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 1, 0, 0, 0, 0, 0, 0 }, buffer); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="ulong"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void CopyBytesULong() |
|||
{ |
|||
byte[] buffer = new byte[8]; |
|||
|
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(0UL, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(1UL, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(256UL, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 1, 0, 0, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(65536UL, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 0, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(16777216UL, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 1, 0, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(4294967296UL, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 1, 0, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(1099511627776UL, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 1, 0, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(1099511627776UL * 256, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 1, 0 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(1099511627776UL * 256 * 256, buffer, 0); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 0, 1 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(ulong.MaxValue, buffer, 0); |
|||
this.CheckBytes(new byte[] { 255, 255, 255, 255, 255, 255, 255, 255 }, buffer); |
|||
EndianBitConverter.LittleEndianConverter.CopyBytes(257UL, buffer, 0); |
|||
this.CheckBytes(new byte[] { 1, 1, 0, 0, 0, 0, 0, 0 }, buffer); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests the two byte arrays for equality.
|
|||
/// </summary>
|
|||
/// <param name="expected">The expected bytes.</param>
|
|||
/// <param name="actual">The actual bytes.</param>
|
|||
private void CheckBytes(byte[] expected, byte[] actual) |
|||
{ |
|||
Assert.Equal(expected.Length, actual.Length); |
|||
Assert.Equal(expected, actual); |
|||
} |
|||
} |
|||
} |
|||
@ -1,129 +0,0 @@ |
|||
// Copyright (c) Six Labors and contributors.
|
|||
// Licensed under the Apache License, Version 2.0.
|
|||
|
|||
using SixLabors.ImageSharp.IO; |
|||
using Xunit; |
|||
|
|||
namespace SixLabors.ImageSharp.Tests.IO |
|||
{ |
|||
/// <summary>
|
|||
/// The <see cref="LittleEndianBitConverter"/> tests.
|
|||
/// </summary>
|
|||
public class LittleEndianBitConverterGetBytesTests |
|||
{ |
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="bool"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void GetBytesBoolean() |
|||
{ |
|||
this.CheckBytes(new byte[] { 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(false)); |
|||
this.CheckBytes(new byte[] { 1 }, EndianBitConverter.LittleEndianConverter.GetBytes(true)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="short"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void GetBytesShort() |
|||
{ |
|||
this.CheckBytes(new byte[] { 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes((short)0)); |
|||
this.CheckBytes(new byte[] { 1, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes((short)1)); |
|||
this.CheckBytes(new byte[] { 0, 1 }, EndianBitConverter.LittleEndianConverter.GetBytes((short)256)); |
|||
this.CheckBytes(new byte[] { 255, 255 }, EndianBitConverter.LittleEndianConverter.GetBytes((short)-1)); |
|||
this.CheckBytes(new byte[] { 1, 1 }, EndianBitConverter.LittleEndianConverter.GetBytes((short)257)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="ushort"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void GetBytesUShort() |
|||
{ |
|||
this.CheckBytes(new byte[] { 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes((ushort)0)); |
|||
this.CheckBytes(new byte[] { 1, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes((ushort)1)); |
|||
this.CheckBytes(new byte[] { 0, 1 }, EndianBitConverter.LittleEndianConverter.GetBytes((ushort)256)); |
|||
this.CheckBytes(new byte[] { 255, 255 }, EndianBitConverter.LittleEndianConverter.GetBytes(ushort.MaxValue)); |
|||
this.CheckBytes(new byte[] { 1, 1 }, EndianBitConverter.LittleEndianConverter.GetBytes((ushort)257)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="int"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void GetBytesInt() |
|||
{ |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(0)); |
|||
this.CheckBytes(new byte[] { 1, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(1)); |
|||
this.CheckBytes(new byte[] { 0, 1, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(256)); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(65536)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 1 }, EndianBitConverter.LittleEndianConverter.GetBytes(16777216)); |
|||
this.CheckBytes(new byte[] { 255, 255, 255, 255 }, EndianBitConverter.LittleEndianConverter.GetBytes(-1)); |
|||
this.CheckBytes(new byte[] { 1, 1, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(257)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="uint"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void GetBytesUInt() |
|||
{ |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes((uint)0)); |
|||
this.CheckBytes(new byte[] { 1, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes((uint)1)); |
|||
this.CheckBytes(new byte[] { 0, 1, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes((uint)256)); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes((uint)65536)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 1 }, EndianBitConverter.LittleEndianConverter.GetBytes((uint)16777216)); |
|||
this.CheckBytes(new byte[] { 255, 255, 255, 255 }, EndianBitConverter.LittleEndianConverter.GetBytes(uint.MaxValue)); |
|||
this.CheckBytes(new byte[] { 1, 1, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes((uint)257)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="long"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void GetBytesLong() |
|||
{ |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(0L)); |
|||
this.CheckBytes(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(1L)); |
|||
this.CheckBytes(new byte[] { 0, 1, 0, 0, 0, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(256L)); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 0, 0, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(65536L)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 1, 0, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(16777216L)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 1, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(4294967296L)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 1, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(1099511627776L)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 1, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(1099511627776L * 256)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 0, 1 }, EndianBitConverter.LittleEndianConverter.GetBytes(1099511627776L * 256 * 256)); |
|||
this.CheckBytes(new byte[] { 255, 255, 255, 255, 255, 255, 255, 255 }, EndianBitConverter.LittleEndianConverter.GetBytes(-1L)); |
|||
this.CheckBytes(new byte[] { 1, 1, 0, 0, 0, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(257L)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="ulong"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void GetBytesULong() |
|||
{ |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(0UL)); |
|||
this.CheckBytes(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(1UL)); |
|||
this.CheckBytes(new byte[] { 0, 1, 0, 0, 0, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(256UL)); |
|||
this.CheckBytes(new byte[] { 0, 0, 1, 0, 0, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(65536UL)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 1, 0, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(16777216UL)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 1, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(4294967296UL)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 1, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(1099511627776UL)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 1, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(1099511627776UL * 256)); |
|||
this.CheckBytes(new byte[] { 0, 0, 0, 0, 0, 0, 0, 1 }, EndianBitConverter.LittleEndianConverter.GetBytes(1099511627776UL * 256 * 256)); |
|||
this.CheckBytes(new byte[] { 255, 255, 255, 255, 255, 255, 255, 255 }, EndianBitConverter.LittleEndianConverter.GetBytes(ulong.MaxValue)); |
|||
this.CheckBytes(new byte[] { 1, 1, 0, 0, 0, 0, 0, 0 }, EndianBitConverter.LittleEndianConverter.GetBytes(257UL)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests the two byte arrays for equality.
|
|||
/// </summary>
|
|||
/// <param name="expected">The expected bytes.</param>
|
|||
/// <param name="actual">The actual bytes.</param>
|
|||
private void CheckBytes(byte[] expected, byte[] actual) |
|||
{ |
|||
Assert.Equal(expected.Length, actual.Length); |
|||
Assert.Equal(expected, actual); |
|||
} |
|||
} |
|||
} |
|||
@ -1,214 +0,0 @@ |
|||
// Copyright (c) Six Labors and contributors.
|
|||
// Licensed under the Apache License, Version 2.0.
|
|||
|
|||
using System; |
|||
using SixLabors.ImageSharp.IO; |
|||
using Xunit; |
|||
|
|||
namespace SixLabors.ImageSharp.Tests.IO |
|||
{ |
|||
/// <summary>
|
|||
/// The <see cref="LittleEndianBitConverter"/> tests.
|
|||
/// </summary>
|
|||
public class LittleEndianBitConverterToTypeTests |
|||
{ |
|||
[Fact] |
|||
public void CopyToWithNullBufferThrowsException() |
|||
{ |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.LittleEndianConverter.ToBoolean(null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.LittleEndianConverter.ToInt16(null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.LittleEndianConverter.ToUInt16(null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.LittleEndianConverter.ToInt32(null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.LittleEndianConverter.ToUInt32(null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.LittleEndianConverter.ToInt64(null, 0)); |
|||
Assert.Throws<ArgumentNullException>(() => EndianBitConverter.LittleEndianConverter.ToUInt64(null, 0)); |
|||
} |
|||
|
|||
[Fact] |
|||
public void CopyToWithIndexTooBigThrowsException() |
|||
{ |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.ToBoolean(new byte[1], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.ToInt16(new byte[2], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.ToUInt16(new byte[2], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.ToInt32(new byte[4], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.ToUInt32(new byte[4], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.ToInt64(new byte[8], 1)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[8], 1)); |
|||
} |
|||
|
|||
[Fact] |
|||
public void CopyToWithBufferTooSmallThrowsException() |
|||
{ |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.ToBoolean(new byte[0], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.ToInt16(new byte[1], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.ToUInt16(new byte[1], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.ToInt32(new byte[3], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.ToUInt32(new byte[3], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.ToInt64(new byte[7], 0)); |
|||
Assert.Throws<ArgumentOutOfRangeException>(() => EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[7], 0)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="bool"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void ToBoolean() |
|||
{ |
|||
Assert.False(EndianBitConverter.LittleEndianConverter.ToBoolean(new byte[] { 0 }, 0)); |
|||
Assert.True(EndianBitConverter.LittleEndianConverter.ToBoolean(new byte[] { 1 }, 0)); |
|||
|
|||
Assert.False(EndianBitConverter.LittleEndianConverter.ToBoolean(new byte[] { 1, 0 }, 1)); |
|||
Assert.True(EndianBitConverter.LittleEndianConverter.ToBoolean(new byte[] { 0, 1 }, 1)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="short"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void ToInt16() |
|||
{ |
|||
Assert.Equal((short)0, EndianBitConverter.LittleEndianConverter.ToInt16(new byte[] { 0, 0 }, 0)); |
|||
Assert.Equal((short)1, EndianBitConverter.LittleEndianConverter.ToInt16(new byte[] { 1, 0 }, 0)); |
|||
Assert.Equal((short)256, EndianBitConverter.LittleEndianConverter.ToInt16(new byte[] { 0, 1 }, 0)); |
|||
Assert.Equal((short)-1, EndianBitConverter.LittleEndianConverter.ToInt16(new byte[] { 255, 255 }, 0)); |
|||
Assert.Equal((short)257, EndianBitConverter.LittleEndianConverter.ToInt16(new byte[] { 1, 1 }, 0)); |
|||
|
|||
Assert.Equal((short)0, EndianBitConverter.LittleEndianConverter.ToInt16(new byte[] { 1, 0, 0 }, 1)); |
|||
Assert.Equal((short)1, EndianBitConverter.LittleEndianConverter.ToInt16(new byte[] { 0, 1, 0 }, 1)); |
|||
Assert.Equal((short)256, EndianBitConverter.LittleEndianConverter.ToInt16(new byte[] { 1, 0, 1 }, 1)); |
|||
Assert.Equal((short)-1, EndianBitConverter.LittleEndianConverter.ToInt16(new byte[] { 0, 255, 255 }, 1)); |
|||
Assert.Equal((short)257, EndianBitConverter.LittleEndianConverter.ToInt16(new byte[] { 0, 1, 1 }, 1)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="ushort"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void ToUInt16() |
|||
{ |
|||
Assert.Equal((ushort)0, EndianBitConverter.LittleEndianConverter.ToUInt16(new byte[] { 0, 0 }, 0)); |
|||
Assert.Equal((ushort)1, EndianBitConverter.LittleEndianConverter.ToUInt16(new byte[] { 1, 0 }, 0)); |
|||
Assert.Equal((ushort)256, EndianBitConverter.LittleEndianConverter.ToUInt16(new byte[] { 0, 1 }, 0)); |
|||
Assert.Equal(ushort.MaxValue, EndianBitConverter.LittleEndianConverter.ToUInt16(new byte[] { 255, 255 }, 0)); |
|||
Assert.Equal((ushort)257, EndianBitConverter.LittleEndianConverter.ToUInt16(new byte[] { 1, 1 }, 0)); |
|||
|
|||
Assert.Equal((ushort)0, EndianBitConverter.LittleEndianConverter.ToUInt16(new byte[] { 1, 0, 0 }, 1)); |
|||
Assert.Equal((ushort)1, EndianBitConverter.LittleEndianConverter.ToUInt16(new byte[] { 0, 1, 0 }, 1)); |
|||
Assert.Equal((ushort)256, EndianBitConverter.LittleEndianConverter.ToUInt16(new byte[] { 1, 0, 1 }, 1)); |
|||
Assert.Equal(ushort.MaxValue, EndianBitConverter.LittleEndianConverter.ToUInt16(new byte[] { 0, 255, 255 }, 1)); |
|||
Assert.Equal((ushort)257, EndianBitConverter.LittleEndianConverter.ToUInt16(new byte[] { 0, 1, 1 }, 1)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="int"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void ToInt32() |
|||
{ |
|||
Assert.Equal(0, EndianBitConverter.LittleEndianConverter.ToInt32(new byte[] { 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(1, EndianBitConverter.LittleEndianConverter.ToInt32(new byte[] { 1, 0, 0, 0 }, 0)); |
|||
Assert.Equal(256, EndianBitConverter.LittleEndianConverter.ToInt32(new byte[] { 0, 1, 0, 0 }, 0)); |
|||
Assert.Equal(65536, EndianBitConverter.LittleEndianConverter.ToInt32(new byte[] { 0, 0, 1, 0 }, 0)); |
|||
Assert.Equal(16777216, EndianBitConverter.LittleEndianConverter.ToInt32(new byte[] { 0, 0, 0, 1 }, 0)); |
|||
Assert.Equal(-1, EndianBitConverter.LittleEndianConverter.ToInt32(new byte[] { 255, 255, 255, 255 }, 0)); |
|||
Assert.Equal(257, EndianBitConverter.LittleEndianConverter.ToInt32(new byte[] { 1, 1, 0, 0 }, 0)); |
|||
|
|||
Assert.Equal(0, EndianBitConverter.LittleEndianConverter.ToInt32(new byte[] { 1, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(1, EndianBitConverter.LittleEndianConverter.ToInt32(new byte[] { 0, 1, 0, 0, 0 }, 1)); |
|||
Assert.Equal(256, EndianBitConverter.LittleEndianConverter.ToInt32(new byte[] { 1, 0, 1, 0, 0 }, 1)); |
|||
Assert.Equal(65536, EndianBitConverter.LittleEndianConverter.ToInt32(new byte[] { 1, 0, 0, 1, 0 }, 1)); |
|||
Assert.Equal(16777216, EndianBitConverter.LittleEndianConverter.ToInt32(new byte[] { 1, 0, 0, 0, 1 }, 1)); |
|||
Assert.Equal(-1, EndianBitConverter.LittleEndianConverter.ToInt32(new byte[] { 0, 255, 255, 255, 255 }, 1)); |
|||
Assert.Equal(257, EndianBitConverter.LittleEndianConverter.ToInt32(new byte[] { 0, 1, 1, 0, 0 }, 1)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="uint"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void ToUInt32() |
|||
{ |
|||
Assert.Equal((uint)0, EndianBitConverter.LittleEndianConverter.ToUInt32(new byte[] { 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal((uint)1, EndianBitConverter.LittleEndianConverter.ToUInt32(new byte[] { 1, 0, 0, 0 }, 0)); |
|||
Assert.Equal((uint)256, EndianBitConverter.LittleEndianConverter.ToUInt32(new byte[] { 0, 1, 0, 0 }, 0)); |
|||
Assert.Equal((uint)65536, EndianBitConverter.LittleEndianConverter.ToUInt32(new byte[] { 0, 0, 1, 0 }, 0)); |
|||
Assert.Equal((uint)16777216, EndianBitConverter.LittleEndianConverter.ToUInt32(new byte[] { 0, 0, 0, 1 }, 0)); |
|||
Assert.Equal(uint.MaxValue, EndianBitConverter.LittleEndianConverter.ToUInt32(new byte[] { 255, 255, 255, 255 }, 0)); |
|||
Assert.Equal((uint)257, EndianBitConverter.LittleEndianConverter.ToUInt32(new byte[] { 1, 1, 0, 0 }, 0)); |
|||
|
|||
Assert.Equal((uint)0, EndianBitConverter.LittleEndianConverter.ToUInt32(new byte[] { 1, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal((uint)1, EndianBitConverter.LittleEndianConverter.ToUInt32(new byte[] { 0, 1, 0, 0, 0 }, 1)); |
|||
Assert.Equal((uint)256, EndianBitConverter.LittleEndianConverter.ToUInt32(new byte[] { 1, 0, 1, 0, 0 }, 1)); |
|||
Assert.Equal((uint)65536, EndianBitConverter.LittleEndianConverter.ToUInt32(new byte[] { 1, 0, 0, 1, 0 }, 1)); |
|||
Assert.Equal((uint)16777216, EndianBitConverter.LittleEndianConverter.ToUInt32(new byte[] { 1, 0, 0, 0, 1 }, 1)); |
|||
Assert.Equal(uint.MaxValue, EndianBitConverter.LittleEndianConverter.ToUInt32(new byte[] { 0, 255, 255, 255, 255 }, 1)); |
|||
Assert.Equal((uint)257, EndianBitConverter.LittleEndianConverter.ToUInt32(new byte[] { 0, 1, 1, 0, 0 }, 1)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="long"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void ToInt64() |
|||
{ |
|||
Assert.Equal(0L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(1L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(256L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 0, 1, 0, 0, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(65536L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 0, 0, 1, 0, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(16777216L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 0, 0, 0, 1, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(4294967296L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 0, 0, 0, 0, 1, 0, 0, 0 }, 0)); |
|||
Assert.Equal(1099511627776L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 0, 0, 0, 0, 0, 1, 0, 0 }, 0)); |
|||
Assert.Equal(1099511627776L * 256, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 0, 0, 0, 0, 0, 0, 1, 0 }, 0)); |
|||
Assert.Equal(1099511627776L * 256 * 256, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 0, 0, 0, 0, 0, 0, 0, 1 }, 0)); |
|||
Assert.Equal(-1L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 255, 255, 255, 255, 255, 255, 255, 255 }, 0)); |
|||
Assert.Equal(257L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 1, 1, 0, 0, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(4294967295L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 255, 255, 255, 255, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(-4294967296L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 0, 0, 0, 0, 255, 255, 255, 255 }, 0)); |
|||
|
|||
Assert.Equal(0L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(1L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 0, 1, 0, 0, 0, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(256L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 1, 0, 1, 0, 0, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(65536L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 1, 0, 0, 1, 0, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(16777216L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 1, 0, 0, 0, 1, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(4294967296L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 1, 0, 0, 0, 0, 1, 0, 0, 0 }, 1)); |
|||
Assert.Equal(1099511627776L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 1, 0, 0, 0, 0, 0, 1, 0, 0 }, 1)); |
|||
Assert.Equal(1099511627776L * 256, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 1, 0 }, 1)); |
|||
Assert.Equal(1099511627776L * 256 * 256, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0, 1 }, 1)); |
|||
Assert.Equal(-1L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 0, 255, 255, 255, 255, 255, 255, 255, 255 }, 1)); |
|||
Assert.Equal(257L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 0, 1, 1, 0, 0, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(4294967295L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 0, 255, 255, 255, 255, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(-4294967296L, EndianBitConverter.LittleEndianConverter.ToInt64(new byte[] { 0, 0, 0, 0, 0, 255, 255, 255, 255 }, 1)); |
|||
} |
|||
|
|||
/// <summary>
|
|||
/// Tests that passing a <see cref="ulong"/> returns the correct bytes.
|
|||
/// </summary>
|
|||
[Fact] |
|||
public void ToUInt64() |
|||
{ |
|||
Assert.Equal(0UL, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 0, 0, 0, 0, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(1UL, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(256UL, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 0, 1, 0, 0, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(65536UL, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 0, 0, 1, 0, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(16777216UL, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 0, 0, 0, 1, 0, 0, 0, 0 }, 0)); |
|||
Assert.Equal(4294967296UL, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 0, 0, 0, 0, 1, 0, 0, 0 }, 0)); |
|||
Assert.Equal(1099511627776UL, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 0, 0, 0, 0, 0, 1, 0, 0 }, 0)); |
|||
Assert.Equal(1099511627776UL * 256, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 0, 0, 0, 0, 0, 0, 1, 0 }, 0)); |
|||
Assert.Equal(1099511627776UL * 256 * 256, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 0, 0, 0, 0, 0, 0, 0, 1 }, 0)); |
|||
Assert.Equal(ulong.MaxValue, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 255, 255, 255, 255, 255, 255, 255, 255 }, 0)); |
|||
Assert.Equal(257UL, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 1, 1, 0, 0, 0, 0, 0, 0 }, 0)); |
|||
|
|||
Assert.Equal(0UL, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(1UL, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 0, 1, 0, 0, 0, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(256UL, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 1, 0, 1, 0, 0, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(65536UL, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 1, 0, 0, 1, 0, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(16777216UL, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 1, 0, 0, 0, 1, 0, 0, 0, 0 }, 1)); |
|||
Assert.Equal(4294967296UL, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 1, 0, 0, 0, 0, 1, 0, 0, 0 }, 1)); |
|||
Assert.Equal(1099511627776UL, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 1, 0, 0, 0, 0, 0, 1, 0, 0 }, 1)); |
|||
Assert.Equal(1099511627776UL * 256, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 1, 0 }, 1)); |
|||
Assert.Equal(1099511627776UL * 256 * 256, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 1, 0, 0, 0, 0, 0, 0, 0, 1 }, 1)); |
|||
Assert.Equal(ulong.MaxValue, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 0, 255, 255, 255, 255, 255, 255, 255, 255 }, 1)); |
|||
Assert.Equal(257UL, EndianBitConverter.LittleEndianConverter.ToUInt64(new byte[] { 0, 1, 1, 0, 0, 0, 0, 0, 0 }, 1)); |
|||
} |
|||
} |
|||
} |
|||
Loading…
Reference in new issue