mirror of https://github.com/SixLabors/ImageSharp
James South
12 years ago
11 changed files with 71 additions and 173 deletions
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// --------------------------------------------------------------------------------------------------------------------
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// <copyright file="StringExtensionsUnitTests.cs" company="James South">
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// Copyright (c) James South.
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// Licensed under the Apache License, Version 2.0.
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// </copyright>
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// <summary>
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// Provides a test harness for the string extensions
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// </summary>
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// --------------------------------------------------------------------------------------------------------------------
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namespace ImageProcessor.UnitTests.Extensions |
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{ |
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using System.Collections.Generic; |
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using ImageProcessor.Common.Extensions; |
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using NUnit.Framework; |
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/// <summary>
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/// Test harness for the string extensions
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/// </summary>
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[TestFixture] |
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public class StringExtensionsUnitTests |
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{ |
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/// <summary>
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/// Tests the passing to an integer array
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/// </summary>
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[Test] |
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public void TestToIntegerArray() |
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{ |
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Dictionary<string, int[]> data = new Dictionary<string, int[]> |
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{ |
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{ |
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"123-456,78-90", |
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new[] { 123, 456, 78, 90 } |
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}, |
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{ |
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"87390174,741897498,74816,748297,57355", |
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new[] |
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{ |
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87390174, 741897498, 74816, |
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748297, 57355 |
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} |
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}, |
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{ "1-2-3", new[] { 1, 2, 3 } } |
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}; |
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foreach (KeyValuePair<string, int[]> item in data) |
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{ |
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int[] result = item.Key.ToPositiveIntegerArray(); |
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Assert.AreEqual(item.Value, result); |
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} |
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} |
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/// <summary>
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/// Tests the passing to an float array
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/// </summary>
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[Test] |
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public void TestToFloatArray() |
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{ |
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Dictionary<string, float[]> data = new Dictionary<string, float[]> |
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{ |
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{ |
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"12.3-4.56,78-9.0", |
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new[] { 12.3F, 4.56F, 78, 9 } |
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}, |
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{ |
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"87390.174,7.41897498,748.16,748297,5.7355", |
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new[] |
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{ |
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87390.174F, 7.41897498F, |
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748.16F, 748297, 5.7355F |
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} |
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}, |
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{ "1-2-3", new float[] { 1, 2, 3 } } |
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}; |
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foreach (KeyValuePair<string, float[]> item in data) |
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{ |
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float[] result = item.Key.ToPositiveFloatArray(); |
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Assert.AreEqual(item.Value, result); |
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} |
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} |
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} |
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} |
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@ -1,80 +0,0 @@ |
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// --------------------------------------------------------------------------------------------------------------------
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// <copyright file="StringExtensions.cs" company="James South">
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// Copyright (c) James South.
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// Licensed under the Apache License, Version 2.0.
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// </copyright>
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// <summary>
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// Encapsulates a series of time saving extension methods to the <see cref="T:System.String" /> class.
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// </summary>
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// --------------------------------------------------------------------------------------------------------------------
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namespace ImageProcessor.Common.Extensions |
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{ |
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using System; |
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using System.Globalization; |
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using System.Text.RegularExpressions; |
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/// <summary>
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/// Encapsulates a series of time saving extension methods to the <see cref="T:System.String"/> class.
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/// </summary>
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public static class StringExtensions |
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{ |
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/// <summary>
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/// Creates an array of integers scraped from the String.
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/// </summary>
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/// <param name="expression">The <see cref="T:System.String">String</see> instance that this method extends.</param>
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/// <returns>An array of integers scraped from the String.</returns>
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public static int[] ToPositiveIntegerArray(this string expression) |
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{ |
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if (string.IsNullOrWhiteSpace(expression)) |
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{ |
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throw new ArgumentNullException("expression"); |
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} |
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Regex regex = new Regex(@"[\d+]+(?=[,-])|[\d+]+(?![,-])", RegexOptions.Compiled); |
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MatchCollection matchCollection = regex.Matches(expression); |
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// Get the collections.
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int count = matchCollection.Count; |
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int[] matches = new int[count]; |
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// Loop and parse the int values.
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for (int i = 0; i < count; i++) |
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{ |
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matches[i] = int.Parse(matchCollection[i].Value, CultureInfo.InvariantCulture); |
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} |
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return matches; |
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} |
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/// <summary>
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/// Creates an array of floats scraped from the String.
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/// </summary>
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/// <param name="expression">The <see cref="T:System.String">String</see> instance that this method extends.</param>
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/// <returns>An array of floats scraped from the String.</returns>
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public static float[] ToPositiveFloatArray(this string expression) |
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{ |
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if (string.IsNullOrWhiteSpace(expression)) |
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{ |
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throw new ArgumentNullException("expression"); |
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} |
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Regex regex = new Regex(@"[\d+\.]+(?=[,-])|[\d+\.]+(?![,-])", RegexOptions.Compiled); |
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MatchCollection matchCollection = regex.Matches(expression); |
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// Get the collections.
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int count = matchCollection.Count; |
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float[] matches = new float[count]; |
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// Loop and parse the int values.
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for (int i = 0; i < count; i++) |
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{ |
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matches[i] = float.Parse(matchCollection[i].Value, CultureInfo.InvariantCulture); |
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} |
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return matches; |
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} |
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} |
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} |
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