Issue 1521726: isinstance failure in 2.5 Beta 2 (original) (raw)

Linux gosset 2.6.16.13-4-smp #1 SMP Wed May 3 04:53:23 UTC 2006 x86_64 x86_64 x86_64 GNU/Linux ./python Lib/test/test_compile.py

File "Lib/test/test_compile.py", line 6, in class TestSpecifics(unittest.TestCase): File "Lib/test/test_compile.py", line 399, in test_main test_support.run_unittest(TestSpecifics) File "/home/nmm/Python-2.5b2/Lib/test/test_support.py", line 422, in run_unittest run_suite(suite, testclass) File "/home/nmm/Python-2.5b2/Lib/test/test_support.py", line 407, in run_suite raise TestFailed(err) test.test_support.TestFailed: Traceback (most recent call last): File "Lib/test/test_compile.py", line 226, in test_unary_minus self.assertTrue(isinstance(eval("%s" % (-sys.maxint

• 1)), int))

./python Python 2.5b2 (r25b2:50512, Jul 13 2006, 11:33:15)

import sys print sys.maxint 9223372036854775807 print "%s" % (-sys.maxint - 1) -9223372036854775808 print isinstance(eval("%s" % (-sys.maxint - 1)), int) False print isinstance(eval("%s" % (-sys.maxint)), int) True