def test_canCancel_pathsuccess(self):
"""Should return True when adjacent
generators are inverses of one other"""
bw = BraidWord([1, 2, 3, -3])
# Execution path True
self.assertTrue(bw.canCancel(2))
def test_canCancel_pathfail(self):
"""Should return False when adjacent
generators are not inverses of one other"""
bw = BraidWord([1, 2, 3, -3])
# Execution path False
self.assertFalse(bw.canCancel(0))
