| """Test correct treatment of hex/oct constants. |
| |
| This is complex because of changes due to PEP 237. |
| """ |
| |
| 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): |
| if platform_long_is_32_bits: |
| # Positive constants |
| self.assertEqual(0x80000000, 2147483648) |
| self.assertEqual(0xffffffff, 4294967295) |
| # Ditto with a minus sign and parentheses |
| self.assertEqual(-(0x80000000), -2147483648) |
| self.assertEqual(-(0xffffffff), -4294967295) |
| # 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, -2147483648) |
| self.assertEqual(-0xffffffff, -4294967295) |
| else: |
| # Positive constants |
| self.assertEqual(0x8000000000000000, 9223372036854775808) |
| self.assertEqual(0xffffffffffffffff, 18446744073709551615) |
| # Ditto with a minus sign and parentheses |
| self.assertEqual(-(0x8000000000000000), -9223372036854775808) |
| self.assertEqual(-(0xffffffffffffffff), -18446744073709551615) |
| # 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, -9223372036854775808) |
| self.assertEqual(-0xffffffffffffffff, -18446744073709551615) |
| |
| def test_oct_baseline(self): |
| # Baseline tests |
| self.assertEqual(00, 0) |
| self.assertEqual(0o20, 16) |
| if platform_long_is_32_bits: |
| self.assertEqual(0o17777777777, 2147483647) |
| else: |
| self.assertEqual(0o777777777777777777777, 9223372036854775807) |
| # Ditto with a minus sign and parentheses |
| self.assertEqual(-(00), 0) |
| self.assertEqual(-(0o20), -16) |
| if platform_long_is_32_bits: |
| self.assertEqual(-(0o17777777777), -2147483647) |
| else: |
| self.assertEqual(-(0o777777777777777777777), -9223372036854775807) |
| # Ditto with a minus sign and NO parentheses |
| self.assertEqual(-00, 0) |
| self.assertEqual(-0o20, -16) |
| if platform_long_is_32_bits: |
| self.assertEqual(-0o17777777777, -2147483647) |
| else: |
| self.assertEqual(-0o777777777777777777777, -9223372036854775807) |
| |
| def test_oct_unsigned(self): |
| if platform_long_is_32_bits: |
| # Positive constants |
| self.assertEqual(0o20000000000, 2147483648) |
| self.assertEqual(0o37777777777, 4294967295) |
| # Ditto with a minus sign and parentheses |
| self.assertEqual(-(0o20000000000), -2147483648) |
| self.assertEqual(-(0o37777777777), -4294967295) |
| # Ditto with a minus sign and NO parentheses |
| # This failed in Python 2.2 through 2.2.2 and in 2.3a1 |
| self.assertEqual(-0o20000000000, -2147483648) |
| self.assertEqual(-0o37777777777, -4294967295) |
| else: |
| # Positive constants |
| self.assertEqual(0o1000000000000000000000, 9223372036854775808) |
| self.assertEqual(0o1777777777777777777777, 18446744073709551615) |
| # Ditto with a minus sign and parentheses |
| self.assertEqual(-(0o1000000000000000000000), -9223372036854775808) |
| self.assertEqual(-(0o1777777777777777777777), -18446744073709551615) |
| # Ditto with a minus sign and NO parentheses |
| # This failed in Python 2.2 through 2.2.2 and in 2.3a1 |
| self.assertEqual(-0o1000000000000000000000, -9223372036854775808) |
| self.assertEqual(-0o1777777777777777777777, -18446744073709551615) |
| |
| def test_main(): |
| test_support.run_unittest(TextHexOct) |
| |
| if __name__ == "__main__": |
| test_main() |