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author | Guido van Rossum <guido@python.org> | 2003-02-12 17:09:17 (GMT) |
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committer | Guido van Rossum <guido@python.org> | 2003-02-12 17:09:17 (GMT) |
commit | 9c00f4287027416d9c380cada971823f006cad8e (patch) | |
tree | e2c0e7812fe3847f7b1caac987306868a48edbdc /Lib | |
parent | 48035eb45269beddfaf3339fbecc3c264c57fd84 (diff) | |
download | cpython-9c00f4287027416d9c380cada971823f006cad8e.zip cpython-9c00f4287027416d9c380cada971823f006cad8e.tar.gz cpython-9c00f4287027416d9c380cada971823f006cad8e.tar.bz2 |
Systematic testing of hex/oct constants.
Diffstat (limited to 'Lib')
-rw-r--r-- | Lib/test/test_hexoct.py | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/Lib/test/test_hexoct.py b/Lib/test/test_hexoct.py new file mode 100644 index 0000000..266d62f --- /dev/null +++ b/Lib/test/test_hexoct.py @@ -0,0 +1,81 @@ +"""Test correct treatment of hex/oct constants. + +This is complex because of changes due to PEP 237. + +Some of these tests will hvae to change in Python 2.4! +""" + +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) + self.assertEqual(0x7fffffff, 2147483647) + # Ditto with a minus sign and parentheses + self.assertEqual(-(0x0), 0) + self.assertEqual(-(0x10), -16) + self.assertEqual(-(0x7fffffff), -2147483647) + # Ditto with a minus sign and NO parentheses + self.assertEqual(-0x0, 0) + self.assertEqual(-0x10, -16) + self.assertEqual(-0x7fffffff, -2147483647) + + def test_hex_unsigned(self): + # This test is in a <string> so we can ignore the warnings + exec """if 1: + # 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) + \n""" + + def test_oct_baseline(self): + # Baseline tests + self.assertEqual(00, 0) + self.assertEqual(020, 16) + self.assertEqual(017777777777, 2147483647) + # Ditto with a minus sign and parentheses + self.assertEqual(-(00), 0) + self.assertEqual(-(020), -16) + self.assertEqual(-(017777777777), -2147483647) + # Ditto with a minus sign and NO parentheses + self.assertEqual(-00, 0) + self.assertEqual(-020, -16) + self.assertEqual(-017777777777, -2147483647) + + def test_oct_unsigned(self): + # This test is in a <string> so we can ignore the warnings + exec """if 1: + # 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) + \n""" + +def test_main(): + suite = unittest.TestSuite() + suite.addTest(unittest.makeSuite(TextHexOct)) + test_support.run_suite(suite) + +if __name__ == "__main__": + test_main() |