def test_structural_unequal(self):
""" Check if unequal is detected """
t1 = Tree('MOV', Tree('ADD', Tree('reg'), Tree('reg')), Tree('reg'))
t2 = Tree('MOV2', Tree('ADD', Tree('reg'), Tree('reg')), Tree('reg'))
t3 = Tree('MOV', Tree('ADD', Tree('reg'), Tree('reg')))
self.assertFalse(t1.structural_equal(t2))
self.assertFalse(t1.structural_equal(t3))
def test_structural_equal(self):
""" Check for equalness of trees """
t1 = Tree('MOV', Tree('ADD', Tree('reg'), Tree('reg')), Tree('reg'))
t2 = Tree('MOV', Tree('ADD', Tree('reg'), Tree('reg')), Tree('reg'))
self.assertTrue(t1.structural_equal(t2))
self.assertTrue(t2.structural_equal(t1))