40 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Python
		
	
	
	
			
		
		
	
	
			40 lines
		
	
	
		
			1.1 KiB
		
	
	
	
		
			Python
		
	
	
	
| from test.test_support import run_unittest, check_py3k_warnings
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| import unittest
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| 
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| class TestImplementationComparisons(unittest.TestCase):
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| 
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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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| 
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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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| 
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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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| 
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| if __name__ == '__main__':
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|     test_main()
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