panda3d/tests/linmath/test_lmatrix3.py
2018-08-19 16:43:34 +02:00

63 lines
1.5 KiB
Python

import pytest
from copy import copy
from panda3d import core
def test_mat3_aliases():
assert core.LMatrix3 is core.Mat3
assert core.LMatrix3f is core.Mat3F
assert core.LMatrix3d is core.Mat3D
assert (core.LMatrix3f is core.Mat3) != (core.LMatrix3d is core.Mat3)
@pytest.mark.parametrize("type", (core.LMatrix3f, core.LMatrix3d))
def test_mat3_constructor(type):
# Test that three ways of construction produce the same matrix.
mat1 = type((1, 2, 3),
(4, 5, 6),
(7, 8, 9))
mat2 = type(1, 2, 3, 4, 5, 6, 7, 8, 9)
mat3 = type((1, 2, 3, 4, 5, 6, 7, 8, 9))
assert mat1 == mat2
assert mat2 == mat3
assert mat1 == mat3
@pytest.mark.parametrize("type", (core.LMatrix3d, core.LMatrix3f))
def test_mat3_copy_constuctor(type):
mat1 = type((1, 2, 3),
(4, 5, 6),
(7, 8, 9))
# Make a copy. Changing it should not change the original.
mat2 = type(mat1)
assert mat1 == mat2
mat2[0][0] = 100
assert mat1 != mat2
# Make a copy by unpacking.
mat2 = type(*mat1)
assert mat1 == mat2
mat2[0][0] = 100
assert mat1 != mat2
# Make a copy by calling copy.copy.
mat2 = copy(mat1)
assert mat1 == mat2
mat2[0][0] = 100
assert mat1 != mat2
@pytest.mark.parametrize("type", (core.LMatrix3d, core.LMatrix3f))
def test_mat3_invert_same_type(type):
mat = type((1, 0, 0,
0, 1, 0,
1, 2, 3))
inv = core.invert(mat)
assert mat.__class__ == inv.__class__