def test_lexical_comparison_bug(self):
u = [5, 50, 56]
v = Question_4.rearrange_integers(u)
w = 56550
self.assertEqual(v, w)
def test_problem_example(self):
u = [50, 2, 1, 9]
v = Question_4.rearrange_integers(u)
w = 95021
self.assertEqual(v, w)
def test_simple_case(self):
u = [1, 2, 3, 4, 5]
v = Question_4.rearrange_integers(u)
w = 54321
self.assertEqual(v, w)
def test_single_number(self):
u = [1]
v = Question_4.rearrange_integers(u)
w = 1
self.assertEqual(v, w)
def test_already_rearranged(self):
u = [5, 4, 3, 2, 1]
v = Question_4.rearrange_integers(u)
w = 54321
self.assertEqual(v, w)
def test_zero_padding_bug(self):
u = [420, 42, 423]
v = Question_4.rearrange_integers(u)
w = 42423420
self.assertEqual(v, w)
