opentk/Source/OpenTK.Tests/Matrix4Test.cs

290 строки
8.7 KiB
C#

using System;
using NUnit.Framework;
using OpenTK;
namespace OpenTK.Tests
{
[TestFixture]
public class Matrix4Test
{
[Test]
public void Matrix4_SixteenValueConstructor()
{
Matrix4 A = new Matrix4( 0, 1, 2, 3,
4, 5, 6, 7,
8, 9, 10, 11,
12, 13, 14, 15);
Assert.AreEqual(0, A.M11);
Assert.AreEqual(1, A.M12);
Assert.AreEqual(2, A.M13);
Assert.AreEqual(3, A.M14);
Assert.AreEqual(4, A.M21);
Assert.AreEqual(5, A.M22);
Assert.AreEqual(6, A.M23);
Assert.AreEqual(7, A.M24);
Assert.AreEqual(8, A.M31);
Assert.AreEqual(9, A.M32);
Assert.AreEqual(10, A.M33);
Assert.AreEqual(11, A.M34);
Assert.AreEqual(12, A.M41);
Assert.AreEqual(13, A.M42);
Assert.AreEqual(14, A.M43);
Assert.AreEqual(15, A.M44);
}
[Test]
public void Matrix4_Matrix3Constructor()
{
Matrix3 B = new Matrix3( 1, 2, 3,
4, 5, 6,
7, 8, 9);
Matrix4 A = new Matrix4(B);
Assert.AreEqual(B.M11, A.M11);
Assert.AreEqual(B.M12, A.M12);
Assert.AreEqual(B.M13, A.M13);
Assert.AreEqual(B.M21, A.M21);
Assert.AreEqual(B.M22, A.M22);
Assert.AreEqual(B.M23, A.M23);
Assert.AreEqual(B.M31, A.M31);
Assert.AreEqual(B.M32, A.M32);
Assert.AreEqual(B.M33, A.M33);
}
[Test]
public void Matrix4_FourVector4Constructor()
{
Vector4 V = new Vector4(1, 2, 3, 4);
Vector4 U = new Vector4(5, 6, 7, 8);
Vector4 S = new Vector4(9, 10, 11, 12);
Vector4 T = new Vector4(13, 14, 15, 16);
Matrix4 A = new Matrix4(V, U, S, T);
Assert.AreEqual(V.X, A.M11);
Assert.AreEqual(V.Y, A.M12);
Assert.AreEqual(V.Z, A.M13);
Assert.AreEqual(V.W, A.M14);
Assert.AreEqual(U.X, A.M21);
Assert.AreEqual(U.Y, A.M22);
Assert.AreEqual(U.Z, A.M23);
Assert.AreEqual(U.W, A.M24);
Assert.AreEqual(S.X, A.M31);
Assert.AreEqual(S.Y, A.M32);
Assert.AreEqual(S.Z, A.M33);
Assert.AreEqual(S.W, A.M34);
Assert.AreEqual(T.X, A.M41);
Assert.AreEqual(T.Y, A.M42);
Assert.AreEqual(T.Z, A.M43);
Assert.AreEqual(T.W, A.M44);
}
[Test]
public void Matrix4_Equal_operator()
{
Matrix4 A = new Matrix4( 0, 1, 2, 3,
4, 5, 6, 7,
8, 9, 10, 11,
12, 13, 14, 15);
Matrix4 B = new Matrix4( 0, 1, 2, 3,
4, 5, 6, 7,
8, 9, 10, 11,
12, 13, 14, 15);
Assert.IsTrue(A == B);
}
[Test]
public void Matrix4_Matrix4TimesMatrix4_operator()
{
Matrix4 A = new Matrix4( 0, 1, 2, 3,
4, 5, 6, 7,
8, 9, 10, 11,
12, 13, 14, 15);
Matrix4 B = new Matrix4( 0, 1, 2, 3,
4, 5, 6, 7,
8, 9, 10, 11,
12, 13, 14, 15);
Matrix4 expected = new Matrix4( 56, 62, 68, 74,
152, 174, 196, 218,
248, 286, 324, 362,
344, 398, 452, 506);
Matrix4 result = A * B;
Assert.IsTrue(expected == result);
}
[Test]
public void Matrix4_Matrix4PlusMatrix4_operator()
{
Matrix4 A = new Matrix4( 0, 1, 2, 3,
4, 5, 6, 7,
8, 9, 10, 11,
12, 13, 14, 15);
Matrix4 B = new Matrix4( 0, 1, 2, 3,
4, 5, 6, 7,
8, 9, 10, 11,
12, 13, 14, 15);
Matrix4 expected = new Matrix4( 0, 2, 4, 6,
8, 10, 12, 14,
16, 18, 20, 22,
24, 26, 28, 30);
Matrix4 result = A + B;
Assert.IsTrue(expected == result);
}
[Test]
public void Matrix4_Matrix4MinusMatrix4_operator()
{
Matrix4 A = new Matrix4( 0, 1, 2, 3,
4, 5, 6, 7,
8, 9, 10, 11,
12, 13, 14, 15);
Matrix4 B = new Matrix4( 0, 1, 2, 3,
4, 5, 6, 7,
8, 9, 10, 11,
12, 13, 14, 15);
Matrix4 expected = new Matrix4( 0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0,
0, 0, 0, 0);
Matrix4 result = A - B;
Assert.IsTrue(expected == result);
}
[Test]
public void Matrix4_Index_Operator()
{
Matrix4 A = new Matrix4();
A[0, 0] = 0;
A[0, 1] = 1;
A[0, 2] = 2;
A[0, 3] = 3;
A[1, 0] = 4;
A[1, 1] = 5;
A[1, 2] = 6;
A[1, 3] = 7;
A[2, 0] = 8;
A[2, 1] = 9;
A[2, 2] = 10;
A[2, 3] = 11;
A[3, 0] = 12;
A[3, 1] = 13;
A[3, 2] = 14;
A[3, 3] = 15;
Assert.AreEqual(0, A[0, 0]);
Assert.AreEqual(1, A[0, 1]);
Assert.AreEqual(2, A[0, 2]);
Assert.AreEqual(3, A[0, 3]);
Assert.AreEqual(4, A[1, 0]);
Assert.AreEqual(5, A[1, 1]);
Assert.AreEqual(6, A[1, 2]);
Assert.AreEqual(7, A[1, 3]);
Assert.AreEqual(8, A[2, 0]);
Assert.AreEqual(9, A[2, 1]);
Assert.AreEqual(10, A[2, 2]);
Assert.AreEqual(11, A[2, 3]);
Assert.AreEqual(12, A[3, 0]);
Assert.AreEqual(13, A[3, 1]);
Assert.AreEqual(14, A[3, 2]);
Assert.AreEqual(15, A[3, 3]);
}
[Test]
public void Matrix4_Index_NegativeIndexException()
{
Matrix4 A = new Matrix4();
bool negativeIndexException = false;
try
{
A[-1, 2] = 0;
}
catch(Exception)
{
negativeIndexException = true;
}
Assert.IsTrue(negativeIndexException);
negativeIndexException = false;
try
{
A[1, -2] = 0;
}
catch (Exception)
{
negativeIndexException = true;
}
Assert.IsTrue(negativeIndexException);
negativeIndexException = false;
try
{
A[-1, -2] = 0;
}
catch (Exception)
{
negativeIndexException = true;
}
Assert.IsTrue(negativeIndexException);
}
[Test]
public void Matrix4_Index_LargeIndexException()
{
Matrix4 A = new Matrix4();
bool largeIndexException = false;
try
{
A[5, 2] = 0;
}
catch (Exception)
{
largeIndexException = true;
}
Assert.IsTrue(largeIndexException);
largeIndexException = false;
try
{
A[1, 6] = 0;
}
catch (Exception)
{
largeIndexException = true;
}
Assert.IsTrue(largeIndexException);
largeIndexException = false;
try
{
A[7, 12] = 0;
}
catch (Exception)
{
largeIndexException = true;
}
Assert.IsTrue(largeIndexException);
}
}
}