jan.mrna/pathfinding_demo
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Added GHCP generated tests for Matrix class (NOT TESTED)

Browse Source
This commit is contained in:
Mrna 2025-10-08 14:32:51 +02:00
parent 69e319a730
commit e1fa58e11a
1 changed files with 260 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

260
cpp/test/test.cpp
View File

@ -430,6 +430,266 @@ TEST(vec, ChainedOperations) {
ASSERT_FLOAT_EQ(a[1], 3.0f);
}
TEST(Matrix, DefaultConstruction) {
// Test that default-constructed matrix has all elements equal to zero
Matrix<float, 2> m1;
ASSERT_FLOAT_EQ(m1[0][0], 0.0f);
ASSERT_FLOAT_EQ(m1[0][1], 0.0f);
ASSERT_FLOAT_EQ(m1[1][0], 0.0f);
ASSERT_FLOAT_EQ(m1[1][1], 0.0f);
}
TEST(Matrix, ArrayConstruction) {
// Test construction from array (column major)
Matrix<float, 2> m1(std::array<float, 4>{1.0f, 2.0f, 3.0f, 4.0f});
// Column 0: [1, 2]
ASSERT_FLOAT_EQ(m1[0][0], 1.0f);
ASSERT_FLOAT_EQ(m1[0][1], 2.0f);
// Column 1: [3, 4]
ASSERT_FLOAT_EQ(m1[1][0], 3.0f);
ASSERT_FLOAT_EQ(m1[1][1], 4.0f);
// Test with 3x3 matrix
Matrix<int, 3> m2(std::array<int, 9>{1, 2, 3, 4, 5, 6, 7, 8, 9});
// Column 0: [1, 2, 3]
ASSERT_EQ(m2[0][0], 1);
ASSERT_EQ(m2[0][1], 2);
ASSERT_EQ(m2[0][2], 3);
// Column 1: [4, 5, 6]
ASSERT_EQ(m2[1][0], 4);
ASSERT_EQ(m2[1][1], 5);
ASSERT_EQ(m2[1][2], 6);
// Column 2: [7, 8, 9]
ASSERT_EQ(m2[2][0], 7);
ASSERT_EQ(m2[2][1], 8);
ASSERT_EQ(m2[2][2], 9);
}
TEST(Matrix, ElementAccess) {
// Test element access (both const and non-const)
Matrix<float, 2> m1(std::array<float, 4>{1.0f, 2.0f, 3.0f, 4.0f});
// Test const access
const Matrix<float, 2>& const_ref = m1;
ASSERT_FLOAT_EQ(const_ref[0][0], 1.0f);
ASSERT_FLOAT_EQ(const_ref[1][1], 4.0f);
// Test non-const access and modification
m1[0][0] = 10.0f;
m1[1][1] = 40.0f;
ASSERT_FLOAT_EQ(m1[0][0], 10.0f);
ASSERT_FLOAT_EQ(m1[1][1], 40.0f);
// Verify other elements unchanged
ASSERT_FLOAT_EQ(m1[0][1], 2.0f);
ASSERT_FLOAT_EQ(m1[1][0], 3.0f);
}
TEST(Matrix, Addition) {
// Test matrix addition
Matrix<float, 2> m1(std::array<float, 4>{1.0f, 2.0f, 3.0f, 4.0f});
Matrix<float, 2> m2(std::array<float, 4>{5.0f, 6.0f, 7.0f, 8.0f});
Matrix<float, 2> result = m1 + m2;
ASSERT_FLOAT_EQ(result[0][0], 6.0f); // 1 + 5
ASSERT_FLOAT_EQ(result[0][1], 8.0f); // 2 + 6
ASSERT_FLOAT_EQ(result[1][0], 10.0f); // 3 + 7
ASSERT_FLOAT_EQ(result[1][1], 12.0f); // 4 + 8
// Test that original matrices are unchanged
ASSERT_FLOAT_EQ(m1[0][0], 1.0f);
ASSERT_FLOAT_EQ(m1[1][1], 4.0f);
ASSERT_FLOAT_EQ(m2[0][0], 5.0f);
ASSERT_FLOAT_EQ(m2[1][1], 8.0f);
// Test with integer matrices
Matrix<int, 2> im1(std::array<int, 4>{1, 2, 3, 4});
Matrix<int, 2> im2(std::array<int, 4>{10, 20, 30, 40});
Matrix<int, 2> iresult = im1 + im2;
ASSERT_EQ(iresult[0][0], 11);
ASSERT_EQ(iresult[0][1], 22);
ASSERT_EQ(iresult[1][0], 33);
ASSERT_EQ(iresult[1][1], 44);
}
TEST(Matrix, Subtraction) {
// Test matrix subtraction
Matrix<float, 2> m1(std::array<float, 4>{10.0f, 8.0f, 6.0f, 4.0f});
Matrix<float, 2> m2(std::array<float, 4>{1.0f, 2.0f, 3.0f, 4.0f});
Matrix<float, 2> result = m1 - m2;
ASSERT_FLOAT_EQ(result[0][0], 9.0f); // 10 - 1
ASSERT_FLOAT_EQ(result[0][1], 6.0f); // 8 - 2
ASSERT_FLOAT_EQ(result[1][0], 3.0f); // 6 - 3
ASSERT_FLOAT_EQ(result[1][1], 0.0f); // 4 - 4
// Test that original matrices are unchanged
ASSERT_FLOAT_EQ(m1[0][0], 10.0f);
ASSERT_FLOAT_EQ(m1[1][1], 4.0f);
ASSERT_FLOAT_EQ(m2[0][0], 1.0f);
ASSERT_FLOAT_EQ(m2[1][1], 4.0f);
// Test subtraction resulting in negative values
Matrix<float, 2> m3(std::array<float, 4>{1.0f, 2.0f, 3.0f, 4.0f});
Matrix<float, 2> m4(std::array<float, 4>{5.0f, 6.0f, 7.0f, 8.0f});
Matrix<float, 2> negative_result = m3 - m4;
ASSERT_FLOAT_EQ(negative_result[0][0], -4.0f);
ASSERT_FLOAT_EQ(negative_result[0][1], -4.0f);
ASSERT_FLOAT_EQ(negative_result[1][0], -4.0f);
ASSERT_FLOAT_EQ(negative_result[1][1], -4.0f);
}
TEST(Matrix, MatrixMultiplication) {
// Test 2x2 matrix multiplication
Matrix<float, 2> m1(std::array<float, 4>{1.0f, 2.0f, 3.0f, 4.0f});
Matrix<float, 2> m2(std::array<float, 4>{5.0f, 6.0f, 7.0f, 8.0f});
Matrix<float, 2> result = m1 * m2;
// m1 = [1 3] m2 = [5 7] result = [1*5+3*6 1*7+3*8] = [23 31]
// [2 4] [6 8] [2*5+4*6 2*7+4*8] [34 46]
ASSERT_FLOAT_EQ(result[0][0], 23.0f); // 1*5 + 3*6 = 23
ASSERT_FLOAT_EQ(result[0][1], 34.0f); // 2*5 + 4*6 = 34
ASSERT_FLOAT_EQ(result[1][0], 31.0f); // 1*7 + 3*8 = 31
ASSERT_FLOAT_EQ(result[1][1], 46.0f); // 2*7 + 4*8 = 46
// Test identity property: I * m = m
Matrix<float, 2> identity = Matrix<float, 2>::Eye();
Matrix<float, 2> identity_result = identity * m1;
ASSERT_FLOAT_EQ(identity_result[0][0], m1[0][0]);
ASSERT_FLOAT_EQ(identity_result[0][1], m1[0][1]);
ASSERT_FLOAT_EQ(identity_result[1][0], m1[1][0]);
ASSERT_FLOAT_EQ(identity_result[1][1], m1[1][1]);
// Test with 3x3 matrices
Matrix<int, 3> im1(std::array<int, 9>{1, 0, 0, 0, 1, 0, 0, 0, 1}); // Identity
Matrix<int, 3> im2(std::array<int, 9>{1, 2, 3, 4, 5, 6, 7, 8, 9});
Matrix<int, 3> iresult = im1 * im2;
// Identity * matrix = matrix
ASSERT_EQ(iresult[0][0], 1);
ASSERT_EQ(iresult[0][1], 2);
ASSERT_EQ(iresult[0][2], 3);
ASSERT_EQ(iresult[1][0], 4);
ASSERT_EQ(iresult[1][1], 5);
ASSERT_EQ(iresult[1][2], 6);
ASSERT_EQ(iresult[2][0], 7);
ASSERT_EQ(iresult[2][1], 8);
ASSERT_EQ(iresult[2][2], 9);
}
TEST(Matrix, MatrixVectorMultiplication) {
// Test matrix-vector multiplication
Matrix<float, 2> m1(std::array<float, 4>{1.0f, 2.0f, 3.0f, 4.0f});
vec<float, 2> v1(2.0f, 3.0f);
vec<float, 2> result = m1 * v1;
// m1 = [1 3] v1 = [2] result = [1*2+3*3] = [11]
// [2 4] [3] [2*2+4*3] [16]
ASSERT_FLOAT_EQ(result[0], 11.0f); // 1*2 + 3*3 = 11
ASSERT_FLOAT_EQ(result[1], 16.0f); // 2*2 + 4*3 = 16
// Test with 3x3 matrix and 3D vector
Matrix<int, 3> im1(std::array<int, 9>{1, 0, 0, 0, 1, 0, 0, 0, 1}); // Identity
vec<int, 3> iv1(5, 10, 15);
vec<int, 3> iresult = im1 * iv1;
// Identity * vector = vector
ASSERT_EQ(iresult[0], 5);
ASSERT_EQ(iresult[1], 10);
ASSERT_EQ(iresult[2], 15);
// Test that original matrix and vector are unchanged
ASSERT_FLOAT_EQ(m1[0][0], 1.0f);
ASSERT_FLOAT_EQ(v1[0], 2.0f);
ASSERT_FLOAT_EQ(v1[1], 3.0f);
}
TEST(Matrix, EyeIdentityMatrix) {
// Test 2x2 identity matrix
Matrix<float, 2> eye2 = Matrix<float, 2>::Eye();
ASSERT_FLOAT_EQ(eye2[0][0], 1.0f);
ASSERT_FLOAT_EQ(eye2[0][1], 0.0f);
ASSERT_FLOAT_EQ(eye2[1][0], 0.0f);
ASSERT_FLOAT_EQ(eye2[1][1], 1.0f);
// Test 3x3 identity matrix
Matrix<int, 3> eye3 = Matrix<int, 3>::Eye();
for (size_t i = 0; i < 3; ++i) {
for (size_t j = 0; j < 3; ++j) {
if (i == j) {
ASSERT_EQ(eye3[i][j], 1);
} else {
ASSERT_EQ(eye3[i][j], 0);
}
}
}
// Test 4x4 identity matrix
Matrix<double, 4> eye4 = Matrix<double, 4>::Eye();
for (size_t i = 0; i < 4; ++i) {
for (size_t j = 0; j < 4; ++j) {
if (i == j) {
ASSERT_DOUBLE_EQ(eye4[i][j], 1.0);
} else {
ASSERT_DOUBLE_EQ(eye4[i][j], 0.0);
}
}
}
}
TEST(Matrix, LogPrint) {
// Test that logger can print matrices of different types and sizes
Matrix<float, 2> m2(std::array<float, 4>{1.1f, 2.2f, 3.3f, 4.4f});
Matrix<int, 3> m3(std::array<int, 9>{1, 2, 3, 4, 5, 6, 7, 8, 9});
Matrix<double, 2> dm2(std::array<double, 4>{1.5, 2.5, 3.5, 4.5});
LOG_DEBUG("Matrix<float, 2> ", m2);
LOG_DEBUG("Matrix<int, 3> ", m3);
LOG_DEBUG("Matrix<double, 2> ", dm2);
}
TEST(Matrix, ChainedOperations) {
// Test chaining matrix operations
Matrix<float, 2> m1(std::array<float, 4>{1.0f, 2.0f, 3.0f, 4.0f});
Matrix<float, 2> m2(std::array<float, 4>{1.0f, 1.0f, 1.0f, 1.0f});
Matrix<float, 2> m3(std::array<float, 4>{2.0f, 0.0f, 0.0f, 2.0f});
// Test (m1 + m2) * m3
Matrix<float, 2> result = (m1 + m2) * m3;
// m1 + m2 = [2 4] m3 = [2 0] result = [4 8]
// [3 5] [0 2] [6 10]
ASSERT_FLOAT_EQ(result[0][0], 4.0f);
ASSERT_FLOAT_EQ(result[0][1], 6.0f);
ASSERT_FLOAT_EQ(result[1][0], 8.0f);
ASSERT_FLOAT_EQ(result[1][1], 10.0f);
// Test that original matrices are unchanged
ASSERT_FLOAT_EQ(m1[0][0], 1.0f);
ASSERT_FLOAT_EQ(m2[0][0], 1.0f);
ASSERT_FLOAT_EQ(m3[0][0], 2.0f);
}
int main(int argc, char **argv) {
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();