def test_transposed(self):
assert Vector([1, 2, 3], transposed=True).transposed
assert not Vector([1, 2, 3]).transposed
assert Vector(Matrix([[1, 2, 3]])).transposed
assert not Vector(Matrix([[1], [2], [3]])).transposed
assert Vector([], transposed=True).transposed
assert not Vector([]).transposed
def test_get(self):
assert all(
Matrix([[(0, 0), (0, 1)], [(1, 0), (1,
1)], [(2,
0), (2,
1)]])[x][y] == (x,
y)
for y in range(2) for x in range(3))
def test_constructor(self):
Vector([1, 2, 3])
Vector([])
with raises(ValueError):
Vector(Matrix([[1, 2, 3], [1, 2, 3]]))
def test_mul(self):
assert Matrix([[1, 2], [3, 4], [5, 6]]) * Matrix(
[[-1, -1, -1], [1, 1, 1]]) == Matrix([[1, 1, 1], [1, 1, 1],
[1, 1, 1]])
with raises(ArithmeticError):
Matrix.create_matrix(3, 1) * Matrix.create_matrix(3, 1)
def test_constructor(self):
Matrix([[0, 0, 0], [0, 0, 0], [0, 0, 0]])
with raises(ValueError):
Matrix([[0, 0, 0], [0, 0], [0, 0, 0]])
Matrix([])
Matrix([[], [], []])
def test_iter(self):
assert tuple(vector[0]
for vector in Matrix([[0], [1], [2]])) == (0, 1, 2)
def test_mn(self):
assert Matrix([[0, 0], [0, 0], [0, 0]]).sizes == (3, 2)
assert Matrix([]).sizes == (0, 0)
assert Matrix([[], [], []]).sizes == (3, 0)