def test_from_python():
with pytest.raises(RuntimeError) as excinfo:
Matrix(np.array([1, 2, 3])) # trying to assign a 1D array
if str(excinfo.value) != "Incompatible buffer format!":
raise AssertionError
m3 = np.array([[1, 2, 3], [4, 5, 6]]).astype(np.float32)
m4 = Matrix(m3)
for i in range(m4.rows()):
for j in range(m4.cols()):
if m3[i, j] != m4[i, j]:
raise AssertionError
cstats = ConstructorStats.get(Matrix)
if cstats.alive() != 1:
raise AssertionError
del m3, m4
if cstats.alive() != 0:
raise AssertionError
if cstats.values() != ["2x3 matrix"]:
raise AssertionError
if cstats.copy_constructions != 0:
raise AssertionError
# assert cstats.move_constructions >= 0 # Don't invoke any
if cstats.copy_assignments != 0:
raise AssertionError
if cstats.move_assignments != 0:
raise AssertionError
def test_to_python():
m = Matrix(5, 5)
assert m[2, 3] == 0
m[2, 3] = 4
assert m[2, 3] == 4
m2 = np.array(m, copy=False)
assert m2.shape == (5, 5)
assert abs(m2).sum() == 4
assert m2[2, 3] == 4
m2[2, 3] = 5
assert m2[2, 3] == 5
cstats = ConstructorStats.get(Matrix)
assert cstats.alive() == 1
del m
pytest.gc_collect()
assert cstats.alive() == 1
del m2 # holds an m reference
pytest.gc_collect()
assert cstats.alive() == 0
assert cstats.values() == ["5x5 matrix"]
assert cstats.copy_constructions == 0
# assert cstats.move_constructions >= 0 # Don't invoke any
assert cstats.copy_assignments == 0
assert cstats.move_assignments == 0
def test_from_python():
with pytest.raises(RuntimeError) as excinfo:
Matrix(np.array([1, 2, 3])) # trying to assign a 1D array
assert str(excinfo.value) == "Incompatible buffer format!"
m3 = np.array([[1, 2, 3], [4, 5, 6]]).astype(np.float32)
m4 = Matrix(m3)
for i in range(m4.rows()):
for j in range(m4.cols()):
assert m3[i, j] == m4[i, j]
cstats = ConstructorStats.get(Matrix)
assert cstats.alive() == 1
del m3, m4
assert cstats.alive() == 0
assert cstats.values() == ["2x3 matrix"]
assert cstats.copy_constructions == 0
# assert cstats.move_constructions >= 0 # Don't invoke any
assert cstats.copy_assignments == 0
assert cstats.move_assignments == 0
def test_to_python():
m = Matrix(5, 5)
if m[2, 3] != 0:
raise AssertionError
m[2, 3] = 4
if m[2, 3] != 4:
raise AssertionError
m2 = np.array(m, copy=False)
if m2.shape != (5, 5):
raise AssertionError
if abs(m2).sum() != 4:
raise AssertionError
if m2[2, 3] != 4:
raise AssertionError
m2[2, 3] = 5
if m2[2, 3] != 5:
raise AssertionError
cstats = ConstructorStats.get(Matrix)
if cstats.alive() != 1:
raise AssertionError
del m
pytest.gc_collect()
if cstats.alive() != 1:
raise AssertionError
del m2 # holds an m reference
pytest.gc_collect()
if cstats.alive() != 0:
raise AssertionError
if cstats.values() != ["5x5 matrix"]:
raise AssertionError
if cstats.copy_constructions != 0:
raise AssertionError
# assert cstats.move_constructions >= 0 # Don't invoke any
if cstats.copy_assignments != 0:
raise AssertionError
if cstats.move_assignments != 0:
raise AssertionError