985 lines
24 KiB
C++
985 lines
24 KiB
C++
#include "CppUnitTest.h"
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#include "../Eule/Matrix4x4.h"
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#include "../Eule/Vector3.h"
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#include "../_TestingUtilities/HandyMacros.h"
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#include <random>
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using namespace Microsoft::VisualStudio::CppUnitTestFramework;
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using namespace Eule;
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namespace Matrices
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{
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TEST_CLASS(_Matrix4x4)
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{
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private:
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std::mt19937 rng;
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public:
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// Constructor
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_Matrix4x4()
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{
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rng = std::mt19937((std::random_device())());
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return;
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}
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// Tests that a freshly created matrix is an identity matrix
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TEST_METHOD(New_Matrix_Is_Identity)
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{
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Matrix4x4 mat;
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for (std::size_t i = 0; i < 4; i++)
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for (std::size_t j = 0; j < 4; j++)
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if (i == j)
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Assert::AreEqual(1.0, mat[i][j]);
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else
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Assert::AreEqual(0.0, mat[i][j]);
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return;
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}
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// Test if setting values via array descriptors works
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TEST_METHOD(Can_Set_Values_ArrayDescriptor)
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{
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Matrix4x4 mat;
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mat[0][0] = 1;
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mat[0][1] = 2;
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mat[0][2] = 3;
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mat[0][3] = 4;
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mat[1][0] = 5;
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mat[1][1] = 6;
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mat[1][2] = 7;
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mat[1][3] = 8;
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mat[2][0] = 9;
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mat[2][1] = 10;
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mat[2][2] = 11;
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mat[2][3] = 12;
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mat[3][0] = 13;
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mat[3][1] = 14;
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mat[3][2] = 15;
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mat[3][3] = 16;
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for (std::size_t i = 0; i < 4; i++)
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for (std::size_t j = 0; j < 4; j++)
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Assert::AreEqual((double)(i * 4 + j + 1), mat[i][j]);
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return;
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}
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// Tests if setting values via letters works
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TEST_METHOD(Can_Set_Values_Letters)
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{
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Matrix4x4 mat;
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mat.a = 1;
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mat.b = 2;
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mat.c = 3;
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mat.d = 4;
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mat.e = 5;
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mat.f = 6;
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mat.g = 7;
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mat.h = 8;
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mat.i = 9;
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mat.j = 10;
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mat.k = 11;
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mat.l = 12;
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mat.m = 13;
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mat.n = 14;
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mat.o = 15;
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mat.p = 16;
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for (std::size_t i = 0; i < 4; i++)
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for (std::size_t j = 0; j < 4; j++)
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Assert::AreEqual((double)(i * 4 + j + 1), mat[i][j]);
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return;
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}
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// Tests if setting values via multiple initializer lists works
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TEST_METHOD(Can_Set_Values_Multiple_Initializer_Lists)
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{
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Matrix4x4 mat;
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mat[0] = { 1, 2, 3, 4 };
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mat[1] = { 5, 6, 7, 8 };
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mat[2] = { 9, 10, 11, 12 };
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mat[3] = { 13, 14, 15, 16 };
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for (std::size_t i = 0; i < 4; i++)
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for (std::size_t j = 0; j < 4; j++)
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Assert::AreEqual((double)(i * 4 + j + 1), mat[i][j]);
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return;
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}
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// Tests if values can be read correctly from the reference variables
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TEST_METHOD(Can_Read_Letters)
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{
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Matrix4x4 mat;
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// Populate matrix
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for (std::size_t i = 0; i < 4; i++)
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for (std::size_t j = 0; j < 4; j++)
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mat[i][j] = (double)(i * 4 + j + 1);
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// Check if values can be read
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Assert::AreEqual( 1.0, mat.a);
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Assert::AreEqual( 2.0, mat.b);
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Assert::AreEqual( 3.0, mat.c);
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Assert::AreEqual( 4.0, mat.d);
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Assert::AreEqual( 5.0, mat.e);
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Assert::AreEqual( 6.0, mat.f);
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Assert::AreEqual( 7.0, mat.g);
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Assert::AreEqual( 8.0, mat.h);
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Assert::AreEqual( 9.0, mat.i);
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Assert::AreEqual(10.0, mat.j);
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Assert::AreEqual(11.0, mat.k);
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Assert::AreEqual(12.0, mat.l);
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Assert::AreEqual(13.0, mat.m);
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Assert::AreEqual(14.0, mat.n);
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Assert::AreEqual(15.0, mat.o);
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Assert::AreEqual(16.0, mat.p);
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return;
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}
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// Tests if the copy constructor results in the same values as the reference given
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TEST_METHOD(CopyConstructor_Equal_Values)
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{
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Matrix4x4 mat1;
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// Fill with values
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for (std::size_t i = 0; i < 4; i++)
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for (std::size_t j = 0; j < 4; j++)
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mat1[i][j] = i * 4.0 + j;
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// Copy
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Matrix4x4 mat2(mat1);
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// Both equal?
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for (std::size_t i = 0; i < 4; i++)
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for (std::size_t j = 0; j < 4; j++)
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Assert::AreEqual(mat1[i][j], mat2[i][j]);
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return;
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}
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// Tests if the equals operator results in the same values as the reference given
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TEST_METHOD(Copy_Via_Equals_Operator)
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{
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Matrix4x4 mat1;
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// Fill with values
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for (std::size_t i = 0; i < 4; i++)
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for (std::size_t j = 0; j < 4; j++)
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mat1[i][j] = i * 4.0 + j;
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// Copy
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Matrix4x4 mat2 = mat1;
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// Both equal?
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for (std::size_t i = 0; i < 4; i++)
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for (std::size_t j = 0; j < 4; j++)
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Assert::AreEqual(mat1[i][j], mat2[i][j]);
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return;
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}
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// Tests if the values of a matrix constructed via a copy constructor can be changed without modifying the object copied from
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TEST_METHOD(Copy_Is_Independent_CopyConstructor)
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{
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Matrix4x4 mat1;
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// Fill with values
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for (std::size_t i = 0; i < 4; i++)
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for (std::size_t j = 0; j < 4; j++)
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mat1[i][j] = i * 4.0 + j;
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// Copy
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Matrix4x4 mat2(mat1);
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// Change values in mat2
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for (std::size_t i = 0; i < 4; i++)
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for (std::size_t j = 0; j < 4; j++)
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mat2[i][j] *= -99;
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// Is mat1 untouched?
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for (std::size_t i = 0; i < 4; i++)
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for (std::size_t j = 0; j < 4; j++)
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Assert::AreEqual((double)(i * 4 + j), mat1[i][j]);
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// Are the values of mat2 correct?
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for (std::size_t i = 0; i < 4; i++)
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for (std::size_t j = 0; j < 4; j++)
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Assert::AreEqual((double)(i * 4 + j) * -99, mat2[i][j]);
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return;
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}
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// Tests if the values of a matrix constructed copied via the equals operator can be changed without modifying the object copied from
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TEST_METHOD(Copy_Is_Independent_EqualOperator)
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{
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Matrix4x4 mat1;
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// Fill with values
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for (std::size_t i = 0; i < 4; i++)
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for (std::size_t j = 0; j < 4; j++)
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mat1[i][j] = i * 4.0 + j;
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// Copy
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Matrix4x4 mat2 = mat1;
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// Change values in mat2
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for (std::size_t i = 0; i < 4; i++)
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for (std::size_t j = 0; j < 4; j++)
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mat2[i][j] *= -99;
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// Is mat1 untouched?
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for (std::size_t i = 0; i < 4; i++)
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for (std::size_t j = 0; j < 4; j++)
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Assert::AreEqual((double)(i * 4 + j), mat1[i][j]);
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// Are the values of mat2 correct?
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for (std::size_t i = 0; i < 4; i++)
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for (std::size_t j = 0; j < 4; j++)
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Assert::AreEqual((double)(i * 4 + j) * -99, mat2[i][j]);
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return;
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}
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// Tests that copying via operator= works
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TEST_METHOD(Copy_Operator)
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{
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// Setup
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Matrix4x4 a;
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a[0] = { 1, 0, 0, 5 };
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a[1] = { 2, 0, 0, 6 };
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a[2] = { 3, 0, 0, 7 };
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a[3] = { 4, 0, 0, 8 };
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Matrix4x4 a_toCopy;
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a_toCopy[0] = { 1, 0, 0, 5 };
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a_toCopy[1] = { 2, 0, 0, 6 };
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a_toCopy[2] = { 3, 0, 0, 7 };
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a_toCopy[3] = { 4, 0, 0, 8 };
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// Exercise
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Matrix4x4 b = a_toCopy;
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// Verify
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Assert::IsTrue(a == a_toCopy, L"a got destroyed!");
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Assert::IsTrue(b == a, L"a does not match b!");
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return;
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}
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// Tests that moving via operator= works
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TEST_METHOD(Move_Operator)
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{
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// Setup
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Matrix4x4 a;
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a[0] = { 1, 0, 0, 5 };
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a[1] = { 2, 0, 0, 6 };
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a[2] = { 3, 0, 0, 7 };
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a[3] = { 4, 0, 0, 8 };
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Matrix4x4 a_backup = a;
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// Exercise
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Matrix4x4 b = std::move(a);
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// Verify
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Assert::IsTrue(b == a_backup, L"Values don't match!");
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return;
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}
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// Tests if the multiply-equals (*=) operator works as intended
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TEST_METHOD(Multiplication_Equals)
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{
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// Populate 1
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Matrix4x4 mat1;
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mat1[0] = { 12, 33, 43, 34 };
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mat1[1] = { 0, 4, 3, 11 };
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mat1[2] = { 76, 5, 42, 4 };
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mat1[3] = { 0, 0, 0, 1 };
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// Populate 2
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Matrix4x4 mat2;
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mat2[0] = { 32, 11, 23, 6 };
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mat2[1] = { 54, 23, 64, 9 };
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mat2[2] = { 64, 43, 12, 16 };
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mat2[3] = { 0, 0, 0, 1 };
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// Multiply
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mat1 *= mat2;
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// Check
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Matrix4x4 expected;
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expected[0] = { 4918.0, 2740.0, 2904.0, 40 };
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expected[1] = { 408.0, 221.0, 292.0, 20 };
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expected[2] = { 5390.0, 2757.0, 2572.0, 20 };
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expected[3] = { 0, 0, 0, 1 };
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Assert::IsTrue(mat1.v == expected.v);
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return;
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}
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// Tests if the multiplication operator works as intended
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TEST_METHOD(Multiplication)
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{
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// Populate 1
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Matrix4x4 mat1;
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mat1[0] = { 12, 33, 43, 34 };
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mat1[1] = { 0, 4, 3, 11 };
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mat1[2] = { 76, 5, 42, 4 };
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mat1[3] = { 0, 0, 0, 1 };
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// Populate 2
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Matrix4x4 mat2;
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mat2[0] = { 32, 11, 23, 6 };
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mat2[1] = { 54, 23, 64, 9 };
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mat2[2] = { 64, 43, 12, 16 };
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mat2[3] = { 0, 0, 0, 1 };
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// Multiply
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Matrix4x4 mat3 = mat1 * mat2;
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// Check
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Matrix4x4 expected;
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expected[0] = { 4918.0, 2740.0, 2904.0, 40 };
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expected[1] = { 408.0, 221.0, 292.0, 20 };
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expected[2] = { 5390.0, 2757.0, 2572.0, 20 };
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expected[3] = { 0, 0, 0, 1 };
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Assert::IsTrue(mat3.v == expected.v);
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return;
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}
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// Tests if GetTranslationComponent returns the correct values
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TEST_METHOD(GetTranslationComponent)
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{
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// Create and populate mat
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Matrix4x4 mat;
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mat.d = 69;
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mat.h = 32;
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mat.l = 16;
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// Get translation component
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Vector3d translation = mat.GetTranslationComponent();
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// Check
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Assert::AreEqual(69.0, translation.x);
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Assert::AreEqual(32.0, translation.y);
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Assert::AreEqual(16.0, translation.z);
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return;
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}
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// Tests if SetTranslationComponent returns the correct values
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TEST_METHOD(SetTranslationComponent)
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{
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// Create and populate mat
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Vector3d translation(69, 32, 16);
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// Set translation component
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Matrix4x4 mat;
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mat.SetTranslationComponent(translation);
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// Check
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Assert::AreEqual(69.0, mat.d);
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Assert::AreEqual(32.0, mat.h);
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Assert::AreEqual(16.0, mat.l);
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return;
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}
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// Tests that transpose3x3 works
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TEST_METHOD(Transpose3x3)
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{
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Matrix4x4 m;
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m[0] = { 0, 0, 0, 0 };
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m[1] = { 3, 0, 4, 0 };
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m[2] = { 0, 0, 2, 5 };
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m[3] = { 9, 0, 6, 0 };
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Matrix4x4 target;
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target[0] = { 0, 3, 0, 0 };
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target[1] = { 0, 0, 0, 0 };
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target[2] = { 0, 4, 2, 5 };
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target[3] = { 9, 0, 6, 0 };
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// Create debug output
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std::wstringstream wss;
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wss << std::endl
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<< "Actual: " << m.Transpose3x3() << std::endl
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<< "Target: " << target << std::endl;
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Assert::IsTrue(target == m.Transpose3x3(), wss.str().c_str());
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return;
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}
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// Tests that transpose4x4 works
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TEST_METHOD(Transpose4x4)
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{
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Matrix4x4 m;
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m[0] = { 0, 0, 0, 0 };
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m[1] = { 3, 0, 4, 0 };
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m[2] = { 0, 0, 2, 5 };
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m[3] = { 9, 0, 6, 0 };
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Matrix4x4 target;
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target[0] = { 0, 3, 0, 9 };
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target[1] = { 0, 0, 0, 0 };
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target[2] = { 0, 4, 2, 6 };
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target[3] = { 0, 0, 5, 0 };
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// Create debug output
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std::wstringstream wss;
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wss << std::endl
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<< "Actual: " << m.Transpose4x4() << std::endl
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<< "Target: " << target << std::endl;
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Assert::IsTrue(target == m.Transpose4x4(), wss.str().c_str());
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return;
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}
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// Tests that IsInvertible3x3 works -> true
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TEST_METHOD(Is_Invertible_3x3_True)
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{
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Matrix4x4 m;
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m[0] = { 0.56601, -0.87207, 0.52783, 488.00000 };
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m[1] = { -0.55281, 0.41590, 0.85470, 500.00000 };
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m[2] = { -1.09497, -0.66076, -0.15866, -155.09390 };
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m[3] = { 0.00000, 0.00000, 0.00000, 0.00000 };
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Assert::IsTrue(m.IsInversible3x3());
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return;
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}
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// Tests that IsInvertible3x3 works -> false
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TEST_METHOD(Is_Invertible_3x3_False)
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{
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Matrix4x4 m;
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m[0] = { 0, 0, 1, 0 };
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m[1] = { 0, 0, 0, 0 };
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m[2] = { 0, 0, 0, 0 };
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m[3] = { 0, 0, 0, 0 };
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Assert::IsFalse(m.IsInversible3x3());
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return;
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}
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// Tests that IsInvertible4x4 works -> true
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TEST_METHOD(Is_Invertible_4x4_True)
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{
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Matrix4x4 m;
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m[0] = { 0.56601, -0.87207, 0.52783, 488.00000 };
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m[1] = { -0.55281, 0.41590, 0.85470, 500.00000 };
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m[2] = { -1.09497, -0.66076, -0.15866, -155.09390 };
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m[3] = { 0.00000, 0.00000, 0.00000, 1.00000 };
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Assert::IsTrue(m.IsInversible4x4());
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return;
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}
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// Tests that IsInvertible4x4 works -> false
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TEST_METHOD(Is_Invertible_4x4_False)
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{
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Matrix4x4 m;
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m[0] = { 0.56601, -0.87207, 0.52783, 488.00000 };
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m[1] = { -0.55281, 0.41590, 0.85470, 500.00000 };
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m[2] = { -1.09497, -0.66076, -0.15866, -155.09390 };
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m[3] = { 0.00000, 0.00000, 0.00000, 0.00000 };
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Assert::IsFalse(m.IsInversible4x4());
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return;
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}
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// Tests that inverting a 3x3 matrix (scale, rotation, translation) works
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TEST_METHOD(Inverse3x3)
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{
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// Invert 50 randomly generated matrices
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for (std::size_t i = 0; i < 50;)
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{
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Matrix4x4 m;
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m[0] = { LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE };
|
|
m[1] = { LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE };
|
|
m[2] = { LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE };
|
|
m[3] = { LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE };
|
|
|
|
if (m.IsInversible3x3())
|
|
{
|
|
Matrix4x4 inv_m = m.Inverse3x3();
|
|
Matrix4x4 result = m * inv_m;
|
|
|
|
// Create debug output
|
|
std::wstringstream wss;
|
|
wss << std::endl
|
|
<< "i: " << i << std::endl
|
|
<< "Actual: " << result << std::endl
|
|
<< "Target: " << Matrix4x4() << std::endl;
|
|
|
|
Assert::IsTrue(result.Similar(Matrix4x4()), wss.str().c_str()); // Default constructor is identity matrix
|
|
i++;
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
// Tests that inverting a 4x4 matrix works
|
|
TEST_METHOD(Inverse4x4)
|
|
{
|
|
// Invert 50 randomly generated matrices
|
|
for (std::size_t i = 0; i < 50;)
|
|
{
|
|
Matrix4x4 m;
|
|
m[0] = { LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE };
|
|
m[1] = { LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE };
|
|
m[2] = { LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE };
|
|
m[3] = { LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE, LARGE_RAND_DOUBLE };
|
|
|
|
if (m.IsInversible4x4())
|
|
{
|
|
Matrix4x4 inv_m = m.Inverse4x4();
|
|
|
|
// Create debug output
|
|
std::wstringstream wss;
|
|
wss << std::endl
|
|
<< "i: " << i << std::endl
|
|
<< "Actual: " << m.Multiply4x4(inv_m) << std::endl
|
|
<< "Target: " << Matrix4x4() << std::endl;
|
|
|
|
Assert::IsTrue((m.Multiply4x4(inv_m)).Similar(Matrix4x4(), 0.0001), wss.str().c_str()); // Default constructor is identity matrix
|
|
i++;
|
|
}
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
// Tests the Multiply4x4 method, which does an actual 4x4 multiplication
|
|
TEST_METHOD(Multiply4x4)
|
|
{
|
|
Matrix4x4 a;
|
|
a[0] = { 0, 1, 2, 3 };
|
|
a[1] = { 4, 5, 6, 7 };
|
|
a[2] = { 8, 9, 0, 1 };
|
|
a[3] = { 2, 3, 4, 5 };
|
|
|
|
Matrix4x4 b;
|
|
b[0] = { 9, 8, 7, 6 };
|
|
b[1] = { 5, 4, 3, 2 };
|
|
b[2] = { 1, 0, 9, 8 };
|
|
b[3] = { 7, 6, 5, 4 };
|
|
|
|
Matrix4x4 e; // Expected
|
|
e[0] = { 28, 22, 36, 30 };
|
|
e[1] = { 116, 94, 132, 110 };
|
|
e[2] = { 124, 106, 88, 70 };
|
|
e[3] = { 72, 58, 84, 70 };
|
|
|
|
// Create debug output
|
|
std::wstringstream wss;
|
|
wss << std::endl
|
|
<< "Actual: " << a.Multiply4x4(b) << std::endl
|
|
<< "Target: " << e << std::endl;
|
|
|
|
Assert::IsTrue(a.Multiply4x4(b).Similar(e), wss.str().c_str());
|
|
}
|
|
|
|
// Tests the DropTranslationComponents method. It should return itself, with d,h,l = 0,0,0
|
|
TEST_METHOD(DropTranslationComponents)
|
|
{
|
|
// Setup
|
|
Matrix4x4 a;
|
|
a[0] = { 0, 1, 2, 3 };
|
|
a[1] = { 4, 5, 6, 7 };
|
|
a[2] = { 8, 9, 0, 1 };
|
|
a[3] = { 2, 3, 4, 5 };
|
|
|
|
Matrix4x4 e; // Expected
|
|
e[0] = { 0, 1, 2, 0 };
|
|
e[1] = { 4, 5, 6, 0 };
|
|
e[2] = { 8, 9, 0, 0 };
|
|
e[3] = { 2, 3, 4, 5 };
|
|
|
|
// Exercise, Verify
|
|
Assert::IsTrue(e == a.DropTranslationComponents());
|
|
return;
|
|
}
|
|
|
|
//! Tests that adding two matrices works as intended
|
|
TEST_METHOD(Operator_Add)
|
|
{
|
|
// Setup
|
|
Matrix4x4 a;
|
|
a[0] = { -9, 5, 6, 7 };
|
|
a[1] = { 1, 2, 5, 0 };
|
|
a[2] = { 2, -2, 7, 5 };
|
|
a[3] = { 3, 0, 3, 0 };
|
|
|
|
Matrix4x4 b;
|
|
b[0] = { 6, 0, 5, 0 };
|
|
b[1] = { 3, 0, 1, 1 };
|
|
b[2] = { 1, 7, 2, 7 };
|
|
b[3] = { 0, 2, 0, 0 };
|
|
|
|
Matrix4x4 exp; // Expected
|
|
exp[0] = { -3, 5, 11, 7 };
|
|
exp[1] = { 4, 2, 6, 1 };
|
|
exp[2] = { 3, 5, 9, 12 };
|
|
exp[3] = { 3, 2, 3, 0 };
|
|
|
|
// Exercise
|
|
Matrix4x4 result = a + b;
|
|
|
|
// Verify
|
|
Assert::IsTrue(exp == result);
|
|
|
|
return;
|
|
}
|
|
|
|
//! Tests that adding two matrices works as intended
|
|
TEST_METHOD(Operator_AddEquals)
|
|
{
|
|
// Setup
|
|
Matrix4x4 a;
|
|
a[0] = { -9, 5, 6, 7 };
|
|
a[1] = { 1, 2, 5, 0 };
|
|
a[2] = { 2, -2, 7, 5 };
|
|
a[3] = { 3, 0, 3, 0 };
|
|
|
|
Matrix4x4 b;
|
|
b[0] = { 6, 0, 5, 0 };
|
|
b[1] = { 3, 0, 1, 1 };
|
|
b[2] = { 1, 7, 2, 7 };
|
|
b[3] = { 0, 2, 0, 0 };
|
|
|
|
Matrix4x4 exp; // Expected
|
|
exp[0] = { -3, 5, 11, 7 };
|
|
exp[1] = { 4, 2, 6, 1 };
|
|
exp[2] = { 3, 5, 9, 12 };
|
|
exp[3] = { 3, 2, 3, 0 };
|
|
|
|
// Exercise
|
|
a += b;
|
|
|
|
// Verify
|
|
Assert::IsTrue(exp == a);
|
|
|
|
return;
|
|
}
|
|
|
|
//! Tests that subtracting two matrices works as intended
|
|
TEST_METHOD(Operator_Sub)
|
|
{
|
|
// Setup
|
|
Matrix4x4 a;
|
|
a[0] = { -9, 5, 6, 7 };
|
|
a[1] = { 1, 2, 5, 0 };
|
|
a[2] = { 2, -2, 7, 5 };
|
|
a[3] = { 3, 0, 3, 0 };
|
|
|
|
Matrix4x4 b;
|
|
b[0] = { -6, -0, -5, -0 };
|
|
b[1] = { -3, -0, -1, -1 };
|
|
b[2] = { -1, -7, -2, -7 };
|
|
b[3] = { -0, -2, -0, -0 };
|
|
|
|
Matrix4x4 exp; // Expected
|
|
exp[0] = { -3, 5, 11, 7 };
|
|
exp[1] = { 4, 2, 6, 1 };
|
|
exp[2] = { 3, 5, 9, 12 };
|
|
exp[3] = { 3, 2, 3, 0 };
|
|
|
|
// Exercise
|
|
Matrix4x4 result = a - b;
|
|
|
|
// Verify
|
|
Assert::IsTrue(exp == result);
|
|
|
|
return;
|
|
}
|
|
|
|
//! Tests that subtracting two matrices works as intended
|
|
TEST_METHOD(Operator_SubEuqals)
|
|
{
|
|
// Setup
|
|
Matrix4x4 a;
|
|
a[0] = { -9, 5, 6, 7 };
|
|
a[1] = { 1, 2, 5, 0 };
|
|
a[2] = { 2, -2, 7, 5 };
|
|
a[3] = { 3, 0, 3, 0 };
|
|
|
|
Matrix4x4 b;
|
|
b[0] = { -6, -0, -5, -0 };
|
|
b[1] = { -3, -0, -1, -1 };
|
|
b[2] = { -1, -7, -2, -7 };
|
|
b[3] = { -0, -2, -0, -0 };
|
|
|
|
Matrix4x4 exp; // Expected
|
|
exp[0] = { -3, 5, 11, 7 };
|
|
exp[1] = { 4, 2, 6, 1 };
|
|
exp[2] = { 3, 5, 9, 12 };
|
|
exp[3] = { 3, 2, 3, 0 };
|
|
|
|
// Exercise
|
|
a -= b;
|
|
|
|
// Verify
|
|
Assert::IsTrue(exp == a);
|
|
|
|
return;
|
|
}
|
|
|
|
// Tests that the multiplication operator for a double parameter works
|
|
TEST_METHOD(Operator_MultiplyDouble)
|
|
{
|
|
// Setup
|
|
Matrix4x4 a;
|
|
a[0] = { -9, 5, 6, 7 };
|
|
a[1] = { 1, 2, 5, 0 };
|
|
a[2] = { 2,-2, 7, 5 };
|
|
a[3] = { 3, 0, 3, 0 };
|
|
|
|
double s = LARGE_RAND_DOUBLE;
|
|
|
|
Matrix4x4 exp; // Expected
|
|
exp[0] = { -9*s, 5*s, 6*s, 7*s };
|
|
exp[1] = { 1*s, 2*s, 5*s, 0*s };
|
|
exp[2] = { 2*s,-2*s, 7*s, 5*s };
|
|
exp[3] = { 3*s, 0*s, 3*s, 0*s };
|
|
|
|
// Exercise
|
|
Matrix4x4 result = a * s;
|
|
|
|
// Verify
|
|
Assert::IsTrue(exp.Similar(result));
|
|
|
|
return;
|
|
}
|
|
|
|
// Tests that the multiplication operator for a double parameter works
|
|
TEST_METHOD(Operator_MultiplyEqualsDouble)
|
|
{
|
|
// Setup
|
|
Matrix4x4 a;
|
|
a[0] = { -9, 5, 6, 7 };
|
|
a[1] = { 1, 2, 5, 0 };
|
|
a[2] = { 2,-2, 7, 5 };
|
|
a[3] = { 3, 0, 3, 0 };
|
|
|
|
double s = LARGE_RAND_DOUBLE;
|
|
|
|
Matrix4x4 exp; // Expected
|
|
exp[0] = { -9*s, 5*s, 6*s, 7*s };
|
|
exp[1] = { 1*s, 2*s, 5*s, 0*s };
|
|
exp[2] = { 2*s,-2*s, 7*s, 5*s };
|
|
exp[3] = { 3*s, 0*s, 3*s, 0*s };
|
|
|
|
// Exercise
|
|
a *= s;
|
|
|
|
// Verify
|
|
Assert::IsTrue(exp.Similar(a));
|
|
|
|
return;
|
|
}
|
|
|
|
// Tests that the division operator for a double parameter works
|
|
TEST_METHOD(Operator_DivideDouble)
|
|
{
|
|
// Setup
|
|
Matrix4x4 a;
|
|
a[0] = { -9, 5, 6, 7 };
|
|
a[1] = { 1, 2, 5, 0 };
|
|
a[2] = { 2,-2, 7, 5 };
|
|
a[3] = { 3, 0, 3, 0 };
|
|
|
|
double s = LARGE_RAND_DOUBLE;
|
|
|
|
Matrix4x4 exp; // Expected
|
|
exp[0] = { -9/s, 5/s, 6/s, 7/s };
|
|
exp[1] = { 1/s, 2/s, 5/s, 0/s };
|
|
exp[2] = { 2/s,-2/s, 7/s, 5/s };
|
|
exp[3] = { 3/s, 0/s, 3/s, 0/s };
|
|
|
|
// Exercise
|
|
Matrix4x4 result = a / s;
|
|
|
|
// Verify
|
|
Assert::IsTrue(exp.Similar(result));
|
|
|
|
return;
|
|
}
|
|
|
|
// Tests that the division operator for a double parameter works
|
|
TEST_METHOD(Operator_DivideEqualsDouble)
|
|
{
|
|
// Setup
|
|
Matrix4x4 a;
|
|
a[0] = { -9, 5, 6, 7 };
|
|
a[1] = { 1, 2, 5, 0 };
|
|
a[2] = { 2,-2, 7, 5 };
|
|
a[3] = { 3, 0, 3, 0 };
|
|
|
|
double s = LARGE_RAND_DOUBLE;
|
|
|
|
Matrix4x4 exp; // Expected
|
|
exp[0] = { -9/s, 5/s, 6/s, 7/s };
|
|
exp[1] = { 1/s, 2/s, 5/s, 0/s };
|
|
exp[2] = { 2/s,-2/s, 7/s, 5/s };
|
|
exp[3] = { 3/s, 0/s, 3/s, 0/s };
|
|
|
|
// Exercise
|
|
a /= s;
|
|
|
|
// Verify
|
|
Assert::IsTrue(exp.Similar(a));
|
|
|
|
return;
|
|
}
|
|
|
|
// Tests that matrix division (multiplication with inverse) works
|
|
TEST_METHOD(Operator_DivideMatrix)
|
|
{
|
|
// Setup
|
|
Matrix4x4 a;
|
|
a[0] = { 0.0503814, 0.3314391, 0.9421304, 33 };
|
|
a[1] = { 0.4941404, 0.8115034, -0.3119095, 44 };
|
|
a[2] = { -0.8679211, 0.4812591, -0.1228928 , 55 };
|
|
a[3] = { 0, 0, 0, 1 };
|
|
|
|
Matrix4x4 b;
|
|
b[0] = { -0.3980391, -0.5301175, -0.7486925, 3 };
|
|
b[1] = { 0.3352839, 0.6756021, -0.6566175, 4 };
|
|
b[2] = { 0.8539026, -0.5123839, -0.0911762 , 5 };
|
|
b[3] = { 0, 0, 0, 1 };
|
|
|
|
Matrix4x4 expected = a * b.Inverse3x3();
|
|
// Just to be sure, but should already be set
|
|
expected.SetTranslationComponent(Vector3d(30, 40, 50));
|
|
|
|
// Exercise
|
|
Matrix4x4 actual = a / b;
|
|
|
|
// Verify
|
|
Assert::IsTrue(expected.Similar(actual));
|
|
|
|
return;
|
|
}
|
|
|
|
// Tests that matrix division (multiplication with inverse) works
|
|
TEST_METHOD(Operator_DivideEqualsMatrix)
|
|
{
|
|
// Setup
|
|
Matrix4x4 a;
|
|
a[0] = { 0.0503814, 0.3314391, 0.9421304, 33 };
|
|
a[1] = { 0.4941404, 0.8115034, -0.3119095, 44 };
|
|
a[2] = { -0.8679211, 0.4812591, -0.1228928 , 55 };
|
|
a[3] = { 0, 0, 0, 1 };
|
|
|
|
Matrix4x4 b;
|
|
b[0] = { -0.3980391, -0.5301175, -0.7486925, 3 };
|
|
b[1] = { 0.3352839, 0.6756021, -0.6566175, 4 };
|
|
b[2] = { 0.8539026, -0.5123839, -0.0911762 , 5 };
|
|
b[3] = { 0, 0, 0, 1 };
|
|
|
|
Matrix4x4 expected = a * b.Inverse3x3();
|
|
// Just to be sure, but should already be set
|
|
expected.SetTranslationComponent(Vector3d(30, 40, 50));
|
|
|
|
// Exercise
|
|
a /= b;
|
|
|
|
// Verify
|
|
Assert::IsTrue(expected.Similar(a));
|
|
|
|
return;
|
|
}
|
|
|
|
// Tests that Math::Similar() works -> true
|
|
TEST_METHOD(Similar_True)
|
|
{
|
|
Matrix4x4 a;
|
|
a[0] = { 1, 0, 0, 0 };
|
|
a[1] = { 0, 1, 0, 0 };
|
|
a[2] = { 0, 0, 1, 0 };
|
|
a[3] = { 0, 0, 0, 1 };
|
|
|
|
Matrix4x4 b;
|
|
b[0] = { 1, -9e-20, 2e-8, 9e-19 };
|
|
b[1] = { 12e-19, 1, -20e-15, -6.9e-29 };
|
|
b[2] = { -69e-25, 13e-23, 1, 4.301e-15 };
|
|
b[3] = { -23e-19, 23e-19, 25e-7, 1 };
|
|
|
|
Assert::IsTrue(a.Similar(b));
|
|
}
|
|
|
|
// Tests that Math::Similar() works -> false
|
|
TEST_METHOD(Similar_False)
|
|
{
|
|
Matrix4x4 a;
|
|
a[0] = { 1, 0, 0, 0 };
|
|
a[1] = { 0, 1, 0, 0 };
|
|
a[2] = { 0, 0, 1, 0 };
|
|
a[3] = { 0, 0, 0, 1 };
|
|
|
|
Matrix4x4 b;
|
|
b[0] = { 1, -9e-20, 2e-8, 9e-19 };
|
|
b[1] = { 12e-19, 1, -20e-15, 0.05 }; // <--
|
|
b[2] = { -69e-25, 13e-23, 1, 4.301e-15 };
|
|
b[3] = { -23e-19, 23e-19, 25e-7, 1 };
|
|
|
|
Assert::IsFalse(a.Similar(b));
|
|
}
|
|
|
|
// Tests if the equal operator (==) and not-equals operator (!=) work (equal: false)
|
|
TEST_METHOD(Operator_Equals_NotEquals_False)
|
|
{
|
|
Matrix4x4 a;
|
|
a[0] = { 0x0, 0x1, 0x2, 0x3 };
|
|
a[1] = { 0x4, 0x5, 0x6, 0x7 };
|
|
a[2] = { 0x8, 0x9, 0xA, 0xB };
|
|
a[3] = { 0xC, 0xD, 0xE, 0xF };
|
|
|
|
Matrix4x4 b;
|
|
b[3] = { 0xF ,0xD, 0xE, 0xC };
|
|
b[2] = { 0xB ,0x9, 0xA, 0x8 };
|
|
b[1] = { 0x7 ,0x5, 0x6, 0x4 };
|
|
b[0] = { 0x3 ,0x1, 0x2, 0x0 };
|
|
|
|
Assert::IsFalse(a == b);
|
|
Assert::IsTrue(a != b);
|
|
return;
|
|
}
|
|
|
|
// Tests if the equal operator (==) and not-equals operator (!=) work (equal: true)
|
|
TEST_METHOD(Operator_Equals_False)
|
|
{
|
|
Matrix4x4 a;
|
|
a[0] = { 0x0, 0x1, 0x2, 0x3 };
|
|
a[1] = { 0x4, 0x5, 0x6, 0x7 };
|
|
a[2] = { 0x8, 0x9, 0xA, 0xB };
|
|
a[3] = { 0xC, 0xD, 0xE, 0xF };
|
|
|
|
Matrix4x4 b;
|
|
b[0] = { 0x0, 0x1, 0x2, 0x3 };
|
|
b[1] = { 0x4, 0x5, 0x6, 0x7 };
|
|
b[2] = { 0x8, 0x9, 0xA, 0xB };
|
|
b[3] = { 0xC, 0xD, 0xE, 0xF };
|
|
|
|
Assert::IsTrue(a == b);
|
|
Assert::IsFalse(a != b);
|
|
return;
|
|
}
|
|
};
|
|
}
|