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Add tests for matrix multiplication

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By identity matrix
With vectors
This commit is contained in:
Eryn Wells 2014-08-10 09:41:48 -07:00
parent a5f451a120
commit 96f782c4ac
1 changed files with 29 additions and 1 deletions
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30
test/test_basics.cc
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@ -177,6 +177,7 @@ public:
protected:
Matrix4 m1, m2;
Matrix4 id;
};
@ -194,6 +195,8 @@ Matrix4Test::SetUp()
34, 55, 89, 144,
233, 377, 610, 987};
m2 = Matrix4(m2Cells);
id = Matrix4::Identity();
}
@ -245,7 +248,7 @@ TEST_F(Matrix4Test, ScalarMultiplication)
}
TEST_F(Matrix4Test, MatrixMultiplication)
TEST_F(Matrix4Test, SquareMatrixMultiplication)
{
const Double p1Expect[] = {1045, 1690, 2735, 4425,
2137, 3454, 5591, 9045,
@ -275,3 +278,28 @@ TEST_F(Matrix4Test, MatrixMultiplication)
EXPECT_EQ(p4.CArray()[i], m1.CArray()[i]);
}
}
TEST_F(Matrix4Test, IdentityMultiplication)
{
Matrix4 p1 = m1 * id;
for (UInt i = 0; i < 16; i++) {
EXPECT_EQ(p1.CArray()[i], m1.CArray()[i]);
}
Matrix4 p2 = id * m1;
for (UInt i = 0; i < 16; i++) {
EXPECT_EQ(p2.CArray()[i], m1.CArray()[i]);
}
}
TEST_F(Matrix4Test, VectorMultiplication)
{
Vector4 v1(1, 2, 3);
Vector4 p1 = id * v1;
EXPECT_EQ(p1.X(), v1.X());
EXPECT_EQ(p1.Y(), v1.Y());
EXPECT_EQ(p1.Z(), v1.Z());
}