Method test_correct_element_index

test/python/test_ElementMap.py:61–63

(self, em1)

class Test_index:
    def test_correct_element_index(self, em1):
        for i, e in enumerate(elements):
            assert em1.index(e) == i, "Wrong element order."
    def test_wrong_argument_type(self, em1):
        with pytest.raises(TypeError):
            em1.index(1)