diff options
| author | Guido van Rossum <guido@python.org> | 2008-01-05 00:59:59 +0000 |
|---|---|---|
| committer | Guido van Rossum <guido@python.org> | 2008-01-05 00:59:59 +0000 |
| commit | 3b83549ea0b0c3e8d1919925a8875052e13367cf (patch) | |
| tree | fd4a7656aebd4a813a7e739504d64c05a6ef8c5b /Lib | |
| parent | 54966a5f94c8326d0245ffcea3fecc2cdf78efb4 (diff) | |
| download | cpython-git-3b83549ea0b0c3e8d1919925a8875052e13367cf.tar.gz | |
Patch #1725 by Mark Dickinson, fixes incorrect conversion of -1e1000
and adds errors for -0x.
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_builtin.py | 6 | ||||
| -rw-r--r-- | Lib/test/test_float.py | 7 |
2 files changed, 13 insertions, 0 deletions
diff --git a/Lib/test/test_builtin.py b/Lib/test/test_builtin.py index c5a1cc3fb2..255fb96961 100644 --- a/Lib/test/test_builtin.py +++ b/Lib/test/test_builtin.py @@ -619,6 +619,11 @@ class BuiltinTest(unittest.TestCase): self.assertEqual(float(" 3.14 "), 3.14) self.assertRaises(ValueError, float, " 0x3.1 ") self.assertRaises(ValueError, float, " -0x3.p-1 ") + self.assertRaises(ValueError, float, " +0x3.p-1 ") + self.assertRaises(ValueError, float, "++3.14") + self.assertRaises(ValueError, float, "+-3.14") + self.assertRaises(ValueError, float, "-+3.14") + self.assertRaises(ValueError, float, "--3.14") if have_unicode: self.assertEqual(float(unicode(" 3.14 ")), 3.14) self.assertEqual(float(unicode(" \u0663.\u0661\u0664 ",'raw-unicode-escape')), 3.14) @@ -648,6 +653,7 @@ class BuiltinTest(unittest.TestCase): self.assertRaises(ValueError, float, " -3,14 ") self.assertRaises(ValueError, float, " 0x3.1 ") self.assertRaises(ValueError, float, " -0x3.p-1 ") + self.assertRaises(ValueError, float, " +0x3.p-1 ") self.assertEqual(float(" 25.e-1 "), 2.5) self.assertEqual(fcmp(float(" .25e-1 "), .025), 0) diff --git a/Lib/test/test_float.py b/Lib/test/test_float.py index 11f169054a..9d330403aa 100644 --- a/Lib/test/test_float.py +++ b/Lib/test/test_float.py @@ -121,6 +121,13 @@ class IEEEFormatTestCase(unittest.TestCase): self.assertEquals(pos_pos(), neg_pos()) self.assertEquals(pos_neg(), neg_neg()) + if float.__getformat__("double").startswith("IEEE"): + def test_underflow_sign(self): + import math + # check that -1e-1000 gives -0.0, not 0.0 + self.assertEquals(math.atan2(-1e-1000, -1), math.atan2(-0.0, -1)) + self.assertEquals(math.atan2(float('-1e-1000'), -1), + math.atan2(-0.0, -1)) class ReprTestCase(unittest.TestCase): def test_repr(self): |