def test_copy(self):
"""Test copy method"""
mat = np.eye(4)
orig = Choi(mat)
cpy = orig.copy()
cpy._data[0, 0] = 0.0
self.assertFalse(cpy == orig)
def test_copy(self):
"""Test copy method"""
mat = np.eye(2)
with self.subTest("Deep copy"):
orig = Choi(mat)
cpy = orig.copy()
cpy._data[0, 0] = 0.0
self.assertFalse(cpy == orig)
with self.subTest("Shallow copy"):
orig = Choi(mat)
clone = copy.copy(orig)
clone._data[0, 0] = 0.0
self.assertTrue(clone == orig)