diff -r ffa851df0825 -r 2fb8b9db1c86 symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_long_future.py --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_long_future.py Fri Jul 31 15:01:17 2009 +0100 @@ -0,0 +1,55 @@ +from __future__ import division +# When true division is the default, get rid of this and add it to +# test_long.py instead. In the meantime, it's too obscure to try to +# trick just part of test_long into using future division. + +import unittest +from test.test_support import run_unittest + +class TrueDivisionTests(unittest.TestCase): + def test(self): + huge = 1L << 40000 + mhuge = -huge + self.assertEqual(huge / huge, 1.0) + self.assertEqual(mhuge / mhuge, 1.0) + self.assertEqual(huge / mhuge, -1.0) + self.assertEqual(mhuge / huge, -1.0) + self.assertEqual(1 / huge, 0.0) + self.assertEqual(1L / huge, 0.0) + self.assertEqual(1 / mhuge, 0.0) + self.assertEqual(1L / mhuge, 0.0) + self.assertEqual((666 * huge + (huge >> 1)) / huge, 666.5) + self.assertEqual((666 * mhuge + (mhuge >> 1)) / mhuge, 666.5) + self.assertEqual((666 * huge + (huge >> 1)) / mhuge, -666.5) + self.assertEqual((666 * mhuge + (mhuge >> 1)) / huge, -666.5) + self.assertEqual(huge / (huge << 1), 0.5) + self.assertEqual((1000000 * huge) / huge, 1000000) + + namespace = {'huge': huge, 'mhuge': mhuge} + + for overflow in ["float(huge)", "float(mhuge)", + "huge / 1", "huge / 2L", "huge / -1", "huge / -2L", + "mhuge / 100", "mhuge / 100L"]: + # XXX(cwinter) this test doesn't pass when converted to + # use assertRaises. + try: + eval(overflow, namespace) + self.fail("expected OverflowError from %r" % overflow) + except OverflowError: + pass + + for underflow in ["1 / huge", "2L / huge", "-1 / huge", "-2L / huge", + "100 / mhuge", "100L / mhuge"]: + result = eval(underflow, namespace) + self.assertEqual(result, 0.0, + "expected underflow to 0 from %r" % underflow) + + for zero in ["huge / 0", "huge / 0L", "mhuge / 0", "mhuge / 0L"]: + self.assertRaises(ZeroDivisionError, eval, zero, namespace) + + +def test_main(): + run_unittest(TrueDivisionTests) + +if __name__ == "__main__": + test_main()