📷 A modern, cross-platform, 2D Graphics library for .NET
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// Copyright (c) Six Labors.
// Licensed under the Apache License, Version 2.0.
using System.Numerics;
using SixLabors.ImageSharp.ColorSpaces;
using SixLabors.ImageSharp.PixelFormats;
using Xunit;
namespace SixLabors.ImageSharp.Tests.Colorspaces
{
/// <summary>
/// Tests the <see cref="Rgb"/> struct.
/// </summary>
public class RgbTests
{
[Fact]
public void RgbConstructorAssignsFields()
{
const float r = .75F;
const float g = .64F;
const float b = .87F;
var rgb = new Rgb(r, g, b);
Assert.Equal(r, rgb.R);
Assert.Equal(g, rgb.G);
Assert.Equal(b, rgb.B);
}
[Fact]
public void RgbEquality()
{
var x = default(Rgb);
var y = new Rgb(Vector3.One);
Assert.True(default(Rgb) == default(Rgb));
Assert.False(default(Rgb) != default(Rgb));
Assert.Equal(default(Rgb), default(Rgb));
Assert.Equal(new Rgb(1, 0, 1), new Rgb(1, 0, 1));
Assert.Equal(new Rgb(Vector3.One), new Rgb(Vector3.One));
Assert.False(x.Equals(y));
Assert.False(x.Equals((object)y));
Assert.False(x.GetHashCode().Equals(y.GetHashCode()));
}
[Fact]
public void RgbAndRgb24Operators()
{
const byte r = 64;
const byte g = 128;
const byte b = 255;
Rgb24 rgb24 = new Rgb(r / 255F, g / 255F, b / 255F);
Rgb rgb2 = rgb24;
Assert.Equal(r, rgb24.R);
Assert.Equal(g, rgb24.G);
Assert.Equal(b, rgb24.B);
Assert.Equal(r / 255F, rgb2.R);
Assert.Equal(g / 255F, rgb2.G);
Assert.Equal(b / 255F, rgb2.B);
}
[Fact]
public void RgbAndRgba32Operators()
{
const byte r = 64;
const byte g = 128;
const byte b = 255;
Rgba32 rgba32 = new Rgb(r / 255F, g / 255F, b / 255F);
Rgb rgb2 = rgba32;
Assert.Equal(r, rgba32.R);
Assert.Equal(g, rgba32.G);
Assert.Equal(b, rgba32.B);
Assert.Equal(r / 255F, rgb2.R);
Assert.Equal(g / 255F, rgb2.G);
Assert.Equal(b / 255F, rgb2.B);
}
}
}