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82 lines
2.2 KiB
82 lines
2.2 KiB
// Copyright (c) Six Labors.
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// Licensed under the Six Labors Split License.
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using System.Numerics;
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using SixLabors.ImageSharp.ColorProfiles;
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using SixLabors.ImageSharp.PixelFormats;
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namespace SixLabors.ImageSharp.Tests.ColorProfiles;
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/// <summary>
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/// Tests the <see cref="Rgb"/> struct.
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/// </summary>
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[Trait("Color", "Conversion")]
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public class RgbTests
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{
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[Fact]
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public void RgbConstructorAssignsFields()
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{
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const float r = .75F;
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const float g = .64F;
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const float b = .87F;
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Rgb rgb = new(r, g, b);
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Assert.Equal(r, rgb.R);
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Assert.Equal(g, rgb.G);
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Assert.Equal(b, rgb.B);
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}
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[Fact]
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public void RgbEquality()
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{
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Rgb x = default;
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Rgb y = new(Vector3.One);
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Assert.True(default == default(Rgb));
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Assert.False(default != default(Rgb));
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Assert.Equal(default, default(Rgb));
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Assert.Equal(new Rgb(1, 0, 1), new Rgb(1, 0, 1));
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Assert.Equal(new Rgb(Vector3.One), new Rgb(Vector3.One));
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Assert.False(x.Equals(y));
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Assert.False(x.Equals((object)y));
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Assert.False(x.GetHashCode().Equals(y.GetHashCode()));
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}
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[Fact]
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public void RgbAndRgb24Interop()
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{
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const byte r = 64;
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const byte g = 128;
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const byte b = 255;
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Rgb24 rgb24 = Rgb24.FromScaledVector4(new Rgb(r / 255F, g / 255F, b / 255F).ToScaledVector4());
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Rgb rgb2 = Rgb.FromScaledVector4(rgb24.ToScaledVector4());
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Assert.Equal(r, rgb24.R);
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Assert.Equal(g, rgb24.G);
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Assert.Equal(b, rgb24.B);
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Assert.Equal(r / 255F, rgb2.R);
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Assert.Equal(g / 255F, rgb2.G);
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Assert.Equal(b / 255F, rgb2.B);
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}
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[Fact]
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public void RgbAndRgba32Interop()
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{
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const byte r = 64;
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const byte g = 128;
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const byte b = 255;
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Rgba32 rgba32 = Rgba32.FromScaledVector4(new Rgb(r / 255F, g / 255F, b / 255F).ToScaledVector4());
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Rgb rgb2 = Rgb.FromScaledVector4(rgba32.ToScaledVector4());
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Assert.Equal(r, rgba32.R);
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Assert.Equal(g, rgba32.G);
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Assert.Equal(b, rgba32.B);
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Assert.Equal(r / 255F, rgb2.R);
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Assert.Equal(g / 255F, rgb2.G);
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Assert.Equal(b / 255F, rgb2.B);
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}
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}
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