from test.test_support import run_unittest, check_py3k_warnings
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import unittest
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class TestImplementationComparisons(unittest.TestCase):
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def test_type_comparisons(self):
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self.assertTrue(str < int or str > int)
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self.assertTrue(int <= str or int >= str)
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self.assertTrue(cmp(int, str) != 0)
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self.assertTrue(int is int)
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self.assertTrue(str == str)
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self.assertTrue(int != str)
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def test_cell_comparisons(self):
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def f(x):
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if x:
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y = 1
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def g():
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return x
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def h():
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return y
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return g, h
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g, h = f(0)
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g_cell, = g.func_closure
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h_cell, = h.func_closure
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self.assertTrue(h_cell < g_cell)
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self.assertTrue(g_cell >= h_cell)
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self.assertEqual(cmp(g_cell, h_cell), 1)
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self.assertTrue(g_cell is g_cell)
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self.assertTrue(g_cell == g_cell)
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self.assertTrue(h_cell == h_cell)
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self.assertTrue(g_cell != h_cell)
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def test_main():
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with check_py3k_warnings():
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run_unittest(TestImplementationComparisons)
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if __name__ == '__main__':
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test_main()
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