From 94882db60fa09f2a2714cfd93ec1a53385b7b271 Mon Sep 17 00:00:00 2001 From: Mark Dickinson Date: Mon, 9 Nov 2009 17:14:18 +0000 Subject: Merged revisions 76177 via svnmerge from svn+ssh://pythondev@www.python.org/python/branches/py3k ................ r76177 | mark.dickinson | 2009-11-09 17:12:30 +0000 (Mon, 09 Nov 2009) | 13 lines Merged revisions 76176 via svnmerge from svn+ssh://pythondev@svn.python.org/python/trunk ........ r76176 | mark.dickinson | 2009-11-09 17:03:34 +0000 (Mon, 09 Nov 2009) | 7 lines Issue #7251: Break out round tests for large values into a separate test function, and skip that test on Linux/alpha systems with a broken system round function. This should turn the Debian/alpha buildbot green. ........ ................ --- Lib/test/test_builtin.py | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py index cac4555..f88a2d5d 100644 --- a/Lib/test/test_builtin.py +++ b/Lib/test/test_builtin.py @@ -1,5 +1,6 @@ # Python test set -- built-in functions +import platform import test.support, unittest from test.support import fcmp, TESTFN, unlink, run_unittest, \ run_with_locale @@ -1123,6 +1124,27 @@ class BuiltinTest(unittest.TestCase): self.assertRaises(TypeError, round, t) self.assertRaises(TypeError, round, t, 0) + # Some versions of glibc for alpha have a bug that affects + # float -> integer rounding (floor, ceil, rint, round) for + # values in the range [2**52, 2**53). See: + # + # http://sources.redhat.com/bugzilla/show_bug.cgi?id=5350 + # + # We skip this test on Linux/alpha if it would fail. + linux_alpha = (platform.system().startswith('Linux') and + platform.machine().startswith('alpha')) + system_round_bug = round(5e15+1) != 5e15+1 + @unittest.skipIf(linux_alpha and system_round_bug, + "test will fail; failure is probably due to a " + "buggy system round function") + def test_round_large(self): + # Issue #1869: integral floats should remain unchanged + self.assertEqual(round(5e15-1), 5e15-1) + self.assertEqual(round(5e15), 5e15) + self.assertEqual(round(5e15+1), 5e15+1) + self.assertEqual(round(5e15+2), 5e15+2) + self.assertEqual(round(5e15+3), 5e15+3) + def test_setattr(self): setattr(sys, 'spam', 1) self.assertEqual(sys.spam, 1) -- cgit v0.12