def test_repr(self):
mat = Matrix4(IDENTITY)
v = repr(mat)
self.assertGreater(len(v), 10)
self.assertIn("Matrix4", v)
mat = Matrix4([1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16])
v = repr(mat)
self.assertGreater(len(v), 20)
self.assertIn("Matrix4", v)
mat = Matrix4(ZEROS_16)
v = repr(mat)
self.assertGreater(len(v), 10)
self.assertIn("Matrix4", v)
def test_inverse(self):
mat = Matrix4([
0.0,
0.0,
1.0,
0.0,
1.0,
0.0,
-0.0,
0.0,
-0.0,
1.0,
-0.0,
0.0,
-0.0,
-0.0,
-10.0,
1.0,
])
self.assertEqual(mat * mat.inverse(), Matrix4(IDENTITY))
def test_look_at(self):
res = Matrix4([
0.0,
0.0,
1.0,
0.0,
1.0,
0.0,
-0.0,
0.0,
-0.0,
1.0,
-0.0,
0.0,
-0.0,
-0.0,
-10.0,
1.0,
])
self.assertEqual(
Matrix4.look_at(IVec(10, 0, 0), IVec(0, 0, 0), IVec(0, 0, 1)), res)
def test_bytes(self):
mat = Matrix4(IDENTITY)
b = mat.bytes()
self.assertIsInstance(b, bytes)
self.assertGreater(len(b), 15)
def test_multiply_notimpl(self):
mat = Matrix4(ZEROS_16)
with self.assertRaises(TypeError):
1 * mat
with self.assertRaises(TypeError):
mat * 1
def test_multiply_vector(self):
mat = Matrix4(IDENTITY)
vec = MVec(1, 2, 3, 1)
self.assertEqual(mat * vec, vec)
def test_multiply_identity(self):
mat1 = Matrix4(IDENTITY)
mat2 = Matrix4(IDENTITY)
mat3 = Matrix4(IDENTITY)
self.assertEqual(mat1 * mat2, mat3)
def test_str(self):
mat = Matrix4(IDENTITY)
v = mat.__str__()
self.assertGreater(len(v), 20)