kindred/create
1
1
Fork 0
Code Issues 30 Pull Requests Actions Packages Projects 9 Releases 2 Wiki Activity

Test: add unit tests for Matrix4D::decompose()

Browse Source
This commit is contained in:
wmayer
2023-10-19 15:00:46 +02:00
committed by wwmayer
parent 2e13a6a5a1
commit a9d80740a8
3 changed files with 123 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

58
tests/src/Base/Matrix.cpp
View File

@@ -295,6 +295,64 @@ TEST(Matrix, TestDyadic)
EXPECT_EQ(mat1, mat2);
}
TEST(Matrix, TestDecomposeScale)
{
Base::Matrix4D mat;
mat.scale(1.0, 2.0, 3.0);
auto res = mat.decompose();
EXPECT_TRUE(res[0].isUnity());
EXPECT_EQ(res[1], mat);
EXPECT_TRUE(res[2].isUnity());
EXPECT_TRUE(res[3].isUnity());
}
TEST(Matrix, TestDecomposeRotation)
{
Base::Matrix4D mat;
mat.rotX(1.0);
mat.rotY(1.0);
mat.rotZ(1.0);
auto res = mat.decompose();
EXPECT_TRUE(res[0].isUnity(1e-12));
EXPECT_TRUE(res[1].isUnity(1e-12));
EXPECT_EQ(res[2], mat);
EXPECT_TRUE(res[3].isUnity(1e-12));
}
TEST(Matrix, TestDecomposeMove)
{
Base::Matrix4D mat;
mat.move(1.0, 2.0, 3.0);
auto res = mat.decompose();
EXPECT_TRUE(res[0].isUnity());
EXPECT_TRUE(res[1].isUnity());
EXPECT_TRUE(res[2].isUnity());
EXPECT_EQ(res[3], mat);
}
TEST(Matrix, TestDecompose)
{
Base::Matrix4D mat;
mat[0][0] = 1.0;
mat[0][3] = 1.0;
mat[1][3] = 2.0;
mat[2][3] = 3.0;
auto res = mat.decompose();
Base::Matrix4D mul = res[3] * res[2] * res[1] * res[0];
EXPECT_EQ(mul, mat);
// shearing
EXPECT_DOUBLE_EQ(res[0].determinant3(), 1.0);
// rotation
EXPECT_DOUBLE_EQ(res[2].determinant3(), 1.0);
// translation
EXPECT_DOUBLE_EQ(res[2].determinant3(), 1.0);
}
TEST(Matrix, TestRotLine)
{
Base::Vector3d axis{1.0, 2.0, 3.0};