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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
//
// Copyright (C) 2005-2007 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//
// Authors:
// Jordi Mas i Hernandez (jordi@ximian.com)
// Sebastien Pouliot <sebastien@ximian.com>
//
namespace System.Drawing.Imaging.Tests;
public class ColorMatrixTests
{
[Fact]
public void Ctor_Default()
{
ColorMatrix cm = new();
Assert.Equal(1, cm.Matrix00);
Assert.Equal(1, cm.Matrix11);
Assert.Equal(1, cm.Matrix22);
Assert.Equal(1, cm.Matrix33);
Assert.Equal(1, cm.Matrix44);
Assert.Equal(0, cm.Matrix01);
Assert.Equal(0, cm.Matrix02);
Assert.Equal(0, cm.Matrix03);
Assert.Equal(0, cm.Matrix04);
Assert.Equal(0, cm.Matrix10);
Assert.Equal(0, cm.Matrix12);
Assert.Equal(0, cm.Matrix13);
Assert.Equal(0, cm.Matrix14);
Assert.Equal(0, cm.Matrix20);
Assert.Equal(0, cm.Matrix21);
Assert.Equal(0, cm.Matrix23);
Assert.Equal(0, cm.Matrix24);
Assert.Equal(0, cm.Matrix30);
Assert.Equal(0, cm.Matrix31);
Assert.Equal(0, cm.Matrix32);
Assert.Equal(0, cm.Matrix34);
Assert.Equal(0, cm.Matrix40);
Assert.Equal(0, cm.Matrix41);
Assert.Equal(0, cm.Matrix42);
Assert.Equal(0, cm.Matrix43);
}
public static IEnumerable<object[]> BadCtorParams
{
get
{
yield return new object[] { null, typeof(NullReferenceException) };
yield return new object[] { new float[][] { }, typeof(IndexOutOfRangeException) };
yield return new object[] { new float[][] { [0.0f, 0.1f, 0.2f, 0.3f, 0.4f, 0.5f] }, typeof(IndexOutOfRangeException) };
yield return new object[]
{
new float[][]
{
[0.0f],
[1.0f],
[2.0f],
[3.0f],
[4.0f],
[5.0f]
}
, typeof(IndexOutOfRangeException)
};
}
}
public static float[][] IndexedColorMatrix
{
get
{
return
[
[0.0f, 0.1f, 0.2f, 0.3f, 0.4f],
[1.0f, 1.1f, 1.2f, 1.3f, 1.4f],
[2.0f, 2.1f, 2.2f, 2.3f, 2.4f],
[3.0f, 3.1f, 3.2f, 3.3f, 3.4f],
[4.0f, 4.1f, 4.2f, 4.3f, 4.4f],
];
}
}
[Theory]
[MemberData(nameof(BadCtorParams))]
public void Ctor_BadValues_ThrowsExpectedException(float[][] newColorMatrix, Type expectedException)
{
Assert.Throws(expectedException, () => new ColorMatrix(newColorMatrix));
}
[Fact]
public void Ctor_TooBigArraySize_MapOnly4and4Elements()
{
ColorMatrix cm = new(
[
[0.0f, 0.1f, 0.2f, 0.3f, 0.4f, 0.5f],
[1.0f, 1.1f, 1.2f, 1.3f, 1.4f, 1.5f],
[2.0f, 2.1f, 2.2f, 2.3f, 2.4f, 2.5f],
[3.0f, 3.1f, 3.2f, 3.3f, 3.4f, 3.5f],
[4.0f, 4.1f, 4.2f, 4.3f, 4.4f, 4.5f],
[5.0f, 5.1f, 5.2f, 5.3f, 5.4f, 5.5f]
]);
Assert.Equal(0.0f, cm.Matrix00);
Assert.Equal(0.1f, cm.Matrix01);
Assert.Equal(0.2f, cm.Matrix02);
Assert.Equal(0.3f, cm.Matrix03);
Assert.Equal(0.4f, cm.Matrix04);
Assert.Equal(1.0f, cm.Matrix10);
Assert.Equal(1.1f, cm.Matrix11);
Assert.Equal(1.2f, cm.Matrix12);
Assert.Equal(1.3f, cm.Matrix13);
Assert.Equal(1.4f, cm.Matrix14);
Assert.Equal(2.0f, cm.Matrix20);
Assert.Equal(2.1f, cm.Matrix21);
Assert.Equal(2.2f, cm.Matrix22);
Assert.Equal(2.3f, cm.Matrix23);
Assert.Equal(2.4f, cm.Matrix24);
Assert.Equal(3.0f, cm.Matrix30);
Assert.Equal(3.1f, cm.Matrix31);
Assert.Equal(3.2f, cm.Matrix32);
Assert.Equal(3.3f, cm.Matrix33);
Assert.Equal(3.4f, cm.Matrix34);
Assert.Equal(4.0f, cm.Matrix40);
Assert.Equal(4.1f, cm.Matrix41);
Assert.Equal(4.2f, cm.Matrix42);
Assert.Equal(4.3f, cm.Matrix43);
Assert.Equal(4.4f, cm.Matrix44);
}
[Fact]
public void AccessToNotExistingElement_ThrowsIndexOutOfRangeException()
{
ColorMatrix cm = new(
[
[0.0f, 0.1f, 0.2f, 0.3f, 0.4f, 0.5f],
[1.0f, 1.1f, 1.2f, 1.3f, 1.4f, 1.5f],
[2.0f, 2.1f, 2.2f, 2.3f, 2.4f, 2.5f],
[3.0f, 3.1f, 3.2f, 3.3f, 3.4f, 3.5f],
[4.0f, 4.1f, 4.2f, 4.3f, 4.4f, 4.5f],
[5.0f, 5.1f, 5.2f, 5.3f, 5.4f, 5.5f]
]);
Assert.Throws<IndexOutOfRangeException>(() => _ = cm[5, 5]);
}
[Fact]
public void Ctor_SetValue_ReturnsExpected()
{
ColorMatrix cm = new(IndexedColorMatrix);
Assert.Equal(0.0f, cm.Matrix00);
Assert.Equal(1.0f, cm.Matrix10);
Assert.Equal(2.0f, cm.Matrix20);
Assert.Equal(3.0f, cm.Matrix30);
Assert.Equal(4.0f, cm.Matrix40);
Assert.Equal(0.1f, cm.Matrix01);
Assert.Equal(1.1f, cm.Matrix11);
Assert.Equal(2.1f, cm.Matrix21);
Assert.Equal(3.1f, cm.Matrix31);
Assert.Equal(4.1f, cm.Matrix41);
Assert.Equal(0.2f, cm.Matrix02);
Assert.Equal(1.2f, cm.Matrix12);
Assert.Equal(2.2f, cm.Matrix22);
Assert.Equal(3.2f, cm.Matrix32);
Assert.Equal(4.2f, cm.Matrix42);
Assert.Equal(0.3f, cm.Matrix03);
Assert.Equal(1.3f, cm.Matrix13);
Assert.Equal(2.3f, cm.Matrix23);
Assert.Equal(3.3f, cm.Matrix33);
Assert.Equal(4.3f, cm.Matrix43);
Assert.Equal(0.4f, cm.Matrix04);
Assert.Equal(1.4f, cm.Matrix14);
Assert.Equal(2.4f, cm.Matrix24);
Assert.Equal(3.4f, cm.Matrix34);
Assert.Equal(4.4f, cm.Matrix44);
for (int i = 0; i < 5; i++)
{
for (int j = 0; j < 5; j++)
{
Assert.Equal(IndexedColorMatrix[i][j], cm[i, j]);
}
}
}
[Fact]
public void MatrixElement_SetValues_ReturnsExpected()
{
ColorMatrix cm = new()
{
Matrix00 = 1,
Matrix01 = 2,
Matrix02 = 3,
Matrix03 = 4,
Matrix04 = 5,
Matrix10 = 6,
Matrix11 = 7,
Matrix12 = 8,
Matrix13 = 9,
Matrix14 = 10,
Matrix20 = 11,
Matrix21 = 12,
Matrix22 = 13,
Matrix23 = 14,
Matrix24 = 15,
Matrix30 = 16,
Matrix31 = 17,
Matrix32 = 18,
Matrix33 = 19,
Matrix34 = 20,
Matrix40 = 21,
Matrix41 = 22,
Matrix42 = 23,
Matrix43 = 24,
Matrix44 = 25
};
Assert.Equal(1, cm.Matrix00);
Assert.Equal(2, cm.Matrix01);
Assert.Equal(3, cm.Matrix02);
Assert.Equal(4, cm.Matrix03);
Assert.Equal(5, cm.Matrix04);
Assert.Equal(6, cm.Matrix10);
Assert.Equal(7, cm.Matrix11);
Assert.Equal(8, cm.Matrix12);
Assert.Equal(9, cm.Matrix13);
Assert.Equal(10, cm.Matrix14);
Assert.Equal(11, cm.Matrix20);
Assert.Equal(12, cm.Matrix21);
Assert.Equal(13, cm.Matrix22);
Assert.Equal(14, cm.Matrix23);
Assert.Equal(15, cm.Matrix24);
Assert.Equal(16, cm.Matrix30);
Assert.Equal(17, cm.Matrix31);
Assert.Equal(18, cm.Matrix32);
Assert.Equal(19, cm.Matrix33);
Assert.Equal(20, cm.Matrix34);
Assert.Equal(21, cm.Matrix40);
Assert.Equal(22, cm.Matrix41);
Assert.Equal(23, cm.Matrix42);
Assert.Equal(24, cm.Matrix43);
Assert.Equal(25, cm.Matrix44);
}
[Fact]
public void MatrixElementByIndexer_SetValue_ReturnsExpetecd()
{
ColorMatrix cm = new(IndexedColorMatrix);
for (int i = 0; i < 5; i++)
{
for (int j = 0; j < 5; j++)
{
cm[i, j] = IndexedColorMatrix[i][j];
}
}
for (int i = 0; i < 5; i++)
{
for (int j = 0; j < 5; j++)
{
Assert.Equal(IndexedColorMatrix[i][j], cm[i, j]);
}
}
}
}
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