1edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep"""Test compiler changes for unary ops (+, -, ~) introduced in Python 2.2""" 2edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep 3edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoepimport unittest 4edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoepfrom test.test_support import run_unittest, have_unicode 5edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep 6edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoepclass UnaryOpTestCase(unittest.TestCase): 7edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep 8edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep def test_negative(self): 9edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(-2 == 0 - 2) 10edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(-0 == 0) 11edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(--2 == 2) 12edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(-2L == 0 - 2L) 13edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(-2.0 == 0 - 2.0) 14edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(-2j == 0 - 2j) 15edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep 16edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep def test_positive(self): 17edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(+2 == 2) 18edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(+0 == 0) 19edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(++2 == 2) 20edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(+2L == 2L) 21edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(+2.0 == 2.0) 22edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(+2j == 2j) 23edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep 24edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep def test_invert(self): 25edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(-2 == 0 - 2) 26edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(-0 == 0) 27edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(--2 == 2) 28edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(-2L == 0 - 2L) 29edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep 30edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep def test_no_overflow(self): 31edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep nines = "9" * 32 32edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(eval("+" + nines) == eval("+" + nines + "L")) 33edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(eval("-" + nines) == eval("-" + nines + "L")) 34edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertTrue(eval("~" + nines) == eval("~" + nines + "L")) 35edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep 36edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep def test_negation_of_exponentiation(self): 37edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep # Make sure '**' does the right thing; these form a 38edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep # regression test for SourceForge bug #456756. 39edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertEqual(-2 ** 3, -8) 40edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertEqual((-2) ** 3, -8) 41edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertEqual(-2 ** 4, -16) 42edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertEqual((-2) ** 4, 16) 43edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep 44edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep def test_bad_types(self): 45edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep for op in '+', '-', '~': 46edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertRaises(TypeError, eval, op + "'a'") 47edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep if have_unicode: 48edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertRaises(TypeError, eval, op + "u'a'") 49edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep 50edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertRaises(TypeError, eval, "~2j") 51edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep self.assertRaises(TypeError, eval, "~2.0") 52edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep 53edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep 54edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoepdef test_main(): 55edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep run_unittest(UnaryOpTestCase) 56edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep 57edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep 58edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoepif __name__ == "__main__": 59edbb763a2b63074cd468a5d33a17908b2cc0654Jeff Vander Stoep test_main() 60