File: TestColorMatrix.cs

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//
// 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>
//

using System;
using System.Drawing;
using System.Drawing.Imaging;
using System.Runtime.InteropServices;
using System.Security.Permissions;
using NUnit.Framework;

namespace MonoTests.System.Drawing.Imaging {

	[TestFixture]
	[SecurityPermission (SecurityAction.Deny, UnmanagedCode = true)]
	public class ColorMatrixTest {

		[Test]
		[ExpectedException (typeof (NullReferenceException))]
		public void Constructor_Null ()
		{
			new ColorMatrix (null);
		}

		[Test]
		[ExpectedException (typeof (IndexOutOfRangeException))]
		public void Constructor_TooSmallArraySize ()
		{
			new ColorMatrix (new float[][] { });
		}

		[Test]
		[ExpectedException (typeof (IndexOutOfRangeException))]
		public void Constructor_TooWideArraySize ()
		{
			new ColorMatrix (new float[][] {
				new float[] { 0.0f, 0.1f, 0.2f, 0.3f, 0.4f, 0.5f }
			});
		}

		[Test]
		[ExpectedException (typeof (IndexOutOfRangeException))]
		public void Constructor_TooTallArraySize ()
		{
			new ColorMatrix (new float[][] {
				new float[] { 0.0f },
				new float[] { 1.0f },
				new float[] { 2.0f },
				new float[] { 3.0f },
				new float[] { 4.0f },
				new float[] { 5.0f }
			});
		}

		[Test]
		public void Constructor_TooBigArraySize ()
		{
			ColorMatrix cm = new ColorMatrix (new float[][] {
				new float[] { 0.0f, 0.1f, 0.2f, 0.3f, 0.4f, 0.5f },
				new float[] { 1.0f, 1.1f, 1.2f, 1.3f, 1.4f, 1.5f },
				new float[] { 2.0f, 2.1f, 2.2f, 2.3f, 2.4f, 2.5f },
				new float[] { 3.0f, 3.1f, 3.2f, 3.3f, 3.4f, 3.5f },
				new float[] { 4.0f, 4.1f, 4.2f, 4.3f, 4.4f, 4.5f },
				new float[] { 5.0f, 5.1f, 5.2f, 5.3f, 5.4f, 5.5f }
			});

			Assert.AreEqual (0.0f, cm.Matrix00, "00");
			Assert.AreEqual (0.1f, cm.Matrix01, "01");
			Assert.AreEqual (0.2f, cm.Matrix02, "02");
			Assert.AreEqual (0.3f, cm.Matrix03, "03");
			Assert.AreEqual (0.4f, cm.Matrix04, "04");
			Assert.AreEqual (1.0f, cm.Matrix10, "10");
			Assert.AreEqual (1.1f, cm.Matrix11, "11");
			Assert.AreEqual (1.2f, cm.Matrix12, "12");
			Assert.AreEqual (1.3f, cm.Matrix13, "13");
			Assert.AreEqual (1.4f, cm.Matrix14, "14");
			Assert.AreEqual (2.0f, cm.Matrix20, "20");
			Assert.AreEqual (2.1f, cm.Matrix21, "21");
			Assert.AreEqual (2.2f, cm.Matrix22, "22");
			Assert.AreEqual (2.3f, cm.Matrix23, "23");
			Assert.AreEqual (2.4f, cm.Matrix24, "24");
			Assert.AreEqual (3.0f, cm.Matrix30, "30");
			Assert.AreEqual (3.1f, cm.Matrix31, "31");
			Assert.AreEqual (3.2f, cm.Matrix32, "32");
			Assert.AreEqual (3.3f, cm.Matrix33, "33");
			Assert.AreEqual (3.4f, cm.Matrix34, "34");
			Assert.AreEqual (4.0f, cm.Matrix40, "40");
			Assert.AreEqual (4.1f, cm.Matrix41, "41");
			Assert.AreEqual (4.2f, cm.Matrix42, "42");
			Assert.AreEqual (4.3f, cm.Matrix43, "43");
			Assert.AreEqual (4.4f, cm.Matrix44, "44");
		}

		[Test]
		[ExpectedException (typeof (IndexOutOfRangeException))]
		public void TooBigItems ()
		{
			ColorMatrix cm = new ColorMatrix (new float[][] {
				new float[] { 0.0f, 0.1f, 0.2f, 0.3f, 0.4f, 0.5f },
				new float[] { 1.0f, 1.1f, 1.2f, 1.3f, 1.4f, 1.5f },
				new float[] { 2.0f, 2.1f, 2.2f, 2.3f, 2.4f, 2.5f },
				new float[] { 3.0f, 3.1f, 3.2f, 3.3f, 3.4f, 3.5f },
				new float[] { 4.0f, 4.1f, 4.2f, 4.3f, 4.4f, 4.5f },
				new float[] { 5.0f, 5.1f, 5.2f, 5.3f, 5.4f, 5.5f }
			});
			Assert.AreEqual (5.5f, cm[5,5], "out");
		}

		[Test]
		public void DefaultConstructor ()
		{
			ColorMatrix cm = new ColorMatrix ();

			Assert.AreEqual (1, cm.Matrix00, "0,0");
			Assert.AreEqual (1, cm.Matrix11, "1,1");
			Assert.AreEqual (1, cm.Matrix22, "2,2");
			Assert.AreEqual (1, cm.Matrix33, "3,3");
			Assert.AreEqual (1, cm.Matrix44, "4,4");
			Assert.AreEqual (0, cm.Matrix01, "0,1");
			Assert.AreEqual (0, cm.Matrix02, "0,2");
			Assert.AreEqual (0, cm.Matrix03, "0,3");
			Assert.AreEqual (0, cm.Matrix04, "0,4");
			Assert.AreEqual (0, cm.Matrix10, "1,0");
			Assert.AreEqual (0, cm.Matrix12, "1,2");
			Assert.AreEqual (0, cm.Matrix13, "1,3");
			Assert.AreEqual (0, cm.Matrix14, "1,4");
			Assert.AreEqual (0, cm.Matrix20, "2,0");
			Assert.AreEqual (0, cm.Matrix21, "2,1");
			Assert.AreEqual (0, cm.Matrix23, "2,3");
			Assert.AreEqual (0, cm.Matrix24, "2,4");
			Assert.AreEqual (0, cm.Matrix30, "3,0");
			Assert.AreEqual (0, cm.Matrix31, "3,1");
			Assert.AreEqual (0, cm.Matrix32, "3,2");
			Assert.AreEqual (0, cm.Matrix34, "3,4");
			Assert.AreEqual (0, cm.Matrix40, "4,0");
			Assert.AreEqual (0, cm.Matrix41, "4,1");
			Assert.AreEqual (0, cm.Matrix42, "4,2");
			Assert.AreEqual (0, cm.Matrix43, "4,3");
			Assert.AreEqual (100, Marshal.SizeOf (cm), "object");
			Assert.AreEqual (100, Marshal.SizeOf (typeof (ColorMatrix)), "type");
		}

		[Test]
		public void ConstructorArrayAndMethods ()
		{
			ColorMatrix cm = new ColorMatrix (new float[][] {
				new float[] {0.393f, 0.349f, 0.272f, 0, 0},
			        new float[] {0.769f, 0.686f, 0.534f, 0, 0},
			        new float[] {0.189f, 0.168f, 0.131f, 0, 0},
			        new float[] {     0,      0,      0, 1, 0},
			        new float[] {     0,      0,      0, 0, 1}
			});

			Assert.AreEqual (0.393f, cm.Matrix00, "00");
			Assert.AreEqual (0.349f, cm.Matrix01, "01");
			Assert.AreEqual (0.272f, cm.Matrix02, "02");
			Assert.AreEqual (0, cm.Matrix03, "03");
			Assert.AreEqual (0, cm.Matrix04, "04");

			Assert.AreEqual (0.769f, cm.Matrix10, "10");
			Assert.AreEqual (0.686f, cm.Matrix11, "11");
			Assert.AreEqual (0.534f, cm.Matrix12, "12");
			Assert.AreEqual (0, cm.Matrix13, "13");
			Assert.AreEqual (0, cm.Matrix14, "14");

			Assert.AreEqual (0.189f, cm.Matrix20, "20");
			Assert.AreEqual (0.168f, cm.Matrix21, "21");
			Assert.AreEqual (0.131f, cm.Matrix22, "22");
			Assert.AreEqual (0, cm.Matrix23, "23");
			Assert.AreEqual (0, cm.Matrix24, "24");

			Assert.AreEqual (0, cm.Matrix30, "30");
			Assert.AreEqual (0, cm.Matrix31, "31");
			Assert.AreEqual (0, cm.Matrix32, "32");
			Assert.AreEqual (1, cm.Matrix33, "33");
			Assert.AreEqual (0, cm.Matrix34, "34");

			Assert.AreEqual (0, cm.Matrix40, "40");
			Assert.AreEqual (0, cm.Matrix41, "41");
			Assert.AreEqual (0, cm.Matrix42, "42");
			Assert.AreEqual (0, cm.Matrix43, "43");
			Assert.AreEqual (1, cm.Matrix44, "44");
		}

		[Test]
		public void IndexerProperty ()
		{
			ColorMatrix cm = new ColorMatrix (new float[][] {
				new float[] 	{1,	0,	0, 	0, 	0},
				new float[] 	{0.5f,	1,	0, 	0, 	0},
				new float[] 	{0,	0.1f,	1.5f, 	0, 	0},
				new float[] 	{0.5f,	3,	0.5f, 	1, 	0},
				new float[] 	{0,	0,	0, 	0, 	0}
			});

			Assert.AreEqual (1, cm[0,0], "0,0");
			Assert.AreEqual (0, cm[0,1], "0,1");
			Assert.AreEqual (0, cm[0,2], "0,2");
			Assert.AreEqual (0, cm[0,3], "0,3");
			Assert.AreEqual (0, cm[0,4], "0,4");
			
			Assert.AreEqual (0.5f, cm[1,0], "1,0");
			Assert.AreEqual (1, cm[1,1], "1,1");
			Assert.AreEqual (0, cm[1,2], "1,2");
			Assert.AreEqual (0, cm[1,3], "1,3");
			Assert.AreEqual (0, cm[1,4], "1,4");
			
			Assert.AreEqual (0, cm[2,0], "2,0");
			Assert.AreEqual (0.1f, cm[2,1], "2,1");
			Assert.AreEqual (1.5f, cm[2,2], "2,2");
			Assert.AreEqual (0, cm[2,3], "2,3");
			Assert.AreEqual (0, cm[2,4], "2,4");
			
			Assert.AreEqual (0.5f, cm[3,0], "3,0");
			Assert.AreEqual (3, cm[3,1], "3,1");
			Assert.AreEqual (0.5f, cm[3,2], "3,2");
			Assert.AreEqual (1, cm[3,3], "3,3");
			Assert.AreEqual (0, cm[3,4], "3,4");
			
			Assert.AreEqual (0, cm[4,0], "4,0");
			Assert.AreEqual (0, cm[4,1], "4,1");
			Assert.AreEqual (0, cm[4,2], "4,2");
			Assert.AreEqual (0, cm[4,3], "4,3");
			Assert.AreEqual (0, cm[4,4], "4,4");
		}

		[Test]
		public void IndividualProperties ()
		{
			ColorMatrix cm = new ColorMatrix (new float[][] {
				new float[] 	{1,	0,	0, 	0, 	0},
				new float[] 	{0.5f,	1,	0, 	0, 	0},
				new float[] 	{0,	0.1f,	1.5f, 	0, 	0},
				new float[] 	{0.5f,	3,	0.5f, 	1, 	0},
				new float[] 	{0,	0,	0, 	0, 	0}
			});

			Assert.AreEqual (1, cm.Matrix00, "0,0");
			Assert.AreEqual (0, cm.Matrix01, "0,1");
			Assert.AreEqual (0, cm.Matrix02, "0,2");
			Assert.AreEqual (0, cm.Matrix03, "0,3");
			Assert.AreEqual (0, cm.Matrix04, "0,4");
			
			Assert.AreEqual (0.5f, cm.Matrix10, "1,0");
			Assert.AreEqual (1, cm.Matrix11, "1,1");
			Assert.AreEqual (0, cm.Matrix12, "1,2");
			Assert.AreEqual (0, cm.Matrix13, "1,3");
			Assert.AreEqual (0, cm.Matrix14, "1,4");
			
			Assert.AreEqual (0, cm.Matrix20, "2,0");
			Assert.AreEqual (0.1f, cm.Matrix21, "2,1");
			Assert.AreEqual (1.5f, cm.Matrix22, "2,2");
			Assert.AreEqual (0, cm.Matrix23, "2,3");
			Assert.AreEqual (0, cm.Matrix24, "2,4");
			
			Assert.AreEqual (0.5f, cm.Matrix30, "3,0");
			Assert.AreEqual (3, cm.Matrix31, "3,1");
			Assert.AreEqual (0.5f, cm.Matrix32, "3,2");
			Assert.AreEqual (1, cm.Matrix33, "3,3");
			Assert.AreEqual (0, cm.Matrix34, "3,4");
			
			Assert.AreEqual (0, cm.Matrix40, "4,0");
			Assert.AreEqual (0, cm.Matrix41, "4,1");
			Assert.AreEqual (0, cm.Matrix42, "4,2");
			Assert.AreEqual (0, cm.Matrix43, "4,3");
			Assert.AreEqual (0, cm.Matrix44, "4,4");
		}
	}
}