| """Test correct treatment of hex/oct constants. |
| |
| This is complex because of changes due to PEP 237. |
| |
| Some of these tests will have to change in Python 2.4! |
| """ |
| |
| import sys |
| platform_long_is_32_bits = sys.maxint == 2147483647 |
| |
| import unittest |
| from test import test_support |
| |
| import warnings |
| warnings.filterwarnings("ignore", "hex/oct constants", FutureWarning, |
| "<string>") |
| |
| class TextHexOct(unittest.TestCase): |
| |
| def test_hex_baseline(self): |
| # Baseline tests |
| self.assertEqual(0x0, 0) |
| self.assertEqual(0x10, 16) |
| if platform_long_is_32_bits: |
| self.assertEqual(0x7fffffff, 2147483647) |
| else: |
| self.assertEqual(0x7fffffffffffffff, 9223372036854775807) |
| # Ditto with a minus sign and parentheses |
| self.assertEqual(-(0x0), 0) |
| self.assertEqual(-(0x10), -16) |
| if platform_long_is_32_bits: |
| self.assertEqual(-(0x7fffffff), -2147483647) |
| else: |
| self.assertEqual(-(0x7fffffffffffffff), -9223372036854775807) |
| # Ditto with a minus sign and NO parentheses |
| self.assertEqual(-0x0, 0) |
| self.assertEqual(-0x10, -16) |
| if platform_long_is_32_bits: |
| self.assertEqual(-0x7fffffff, -2147483647) |
| else: |
| self.assertEqual(-0x7fffffffffffffff, -9223372036854775807) |
| |
| def test_hex_unsigned(self): |
| # This test is in a <string> so we can ignore the warnings |
| exec """if 1: |
| if platform_long_is_32_bits: |
| # Positive-looking constants with negavive values |
| self.assertEqual(0x80000000, -2147483648L) |
| self.assertEqual(0xffffffff, -1) |
| # Ditto with a minus sign and parentheses |
| self.assertEqual(-(0x80000000), 2147483648L) |
| self.assertEqual(-(0xffffffff), 1) |
| # Ditto with a minus sign and NO parentheses |
| # This failed in Python 2.2 through 2.2.2 and in 2.3a1 |
| self.assertEqual(-0x80000000, 2147483648L) |
| self.assertEqual(-0xffffffff, 1) |
| else: |
| # Positive-looking constants with negavive values |
| self.assertEqual(0x8000000000000000, -9223372036854775808L) |
| self.assertEqual(0xffffffffffffffff, -1) |
| # Ditto with a minus sign and parentheses |
| self.assertEqual(-(0x8000000000000000), 9223372036854775808L) |
| self.assertEqual(-(0xffffffffffffffff), 1) |
| # Ditto with a minus sign and NO parentheses |
| # This failed in Python 2.2 through 2.2.2 and in 2.3a1 |
| self.assertEqual(-0x8000000000000000, 9223372036854775808L) |
| self.assertEqual(-0xffffffffffffffff, 1) |
| \n""" |
| |
| def test_oct_baseline(self): |
| # Baseline tests |
| self.assertEqual(00, 0) |
| self.assertEqual(020, 16) |
| if platform_long_is_32_bits: |
| self.assertEqual(017777777777, 2147483647) |
| else: |
| self.assertEqual(0777777777777777777777, 9223372036854775807) |
| # Ditto with a minus sign and parentheses |
| self.assertEqual(-(00), 0) |
| self.assertEqual(-(020), -16) |
| if platform_long_is_32_bits: |
| self.assertEqual(-(017777777777), -2147483647) |
| else: |
| self.assertEqual(-(0777777777777777777777), -9223372036854775807) |
| # Ditto with a minus sign and NO parentheses |
| self.assertEqual(-00, 0) |
| self.assertEqual(-020, -16) |
| if platform_long_is_32_bits: |
| self.assertEqual(-017777777777, -2147483647) |
| else: |
| self.assertEqual(-0777777777777777777777, -9223372036854775807) |
| |
| def test_oct_unsigned(self): |
| # This test is in a <string> so we can ignore the warnings |
| exec """if 1: |
| if platform_long_is_32_bits: |
| # Positive-looking constants with negavive values |
| self.assertEqual(020000000000, -2147483648L) |
| self.assertEqual(037777777777, -1) |
| # Ditto with a minus sign and parentheses |
| self.assertEqual(-(020000000000), 2147483648L) |
| self.assertEqual(-(037777777777), 1) |
| # Ditto with a minus sign and NO parentheses |
| # This failed in Python 2.2 through 2.2.2 and in 2.3a1 |
| self.assertEqual(-020000000000, 2147483648L) |
| self.assertEqual(-037777777777, 1) |
| else: |
| # Positive-looking constants with negavive values |
| self.assertEqual(01000000000000000000000, -9223372036854775808L) |
| self.assertEqual(01777777777777777777777, -1) |
| # Ditto with a minus sign and parentheses |
| self.assertEqual(-(01000000000000000000000), 9223372036854775808L) |
| self.assertEqual(-(01777777777777777777777), 1) |
| # Ditto with a minus sign and NO parentheses |
| # This failed in Python 2.2 through 2.2.2 and in 2.3a1 |
| self.assertEqual(-01000000000000000000000, 9223372036854775808L) |
| self.assertEqual(-01777777777777777777777, 1) |
| \n""" |
| |
| def test_main(): |
| test_support.run_unittest(TextHexOct) |
| |
| if __name__ == "__main__": |
| test_main() |