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