diff options
Diffstat (limited to 'Lib/test/test_float.py')
| -rw-r--r-- | Lib/test/test_float.py | 12 |
1 files changed, 3 insertions, 9 deletions
diff --git a/Lib/test/test_float.py b/Lib/test/test_float.py index 36ba67a..42fc991 100644 --- a/Lib/test/test_float.py +++ b/Lib/test/test_float.py @@ -8,6 +8,7 @@ import time import unittest from test import support +from test.support.testcase import FloatsAreIdenticalMixin from test.test_grammar import (VALID_UNDERSCORE_LITERALS, INVALID_UNDERSCORE_LITERALS) from math import isinf, isnan, copysign, ldexp @@ -1093,21 +1094,14 @@ class InfNanTest(unittest.TestCase): fromHex = float.fromhex toHex = float.hex -class HexFloatTestCase(unittest.TestCase): +class HexFloatTestCase(FloatsAreIdenticalMixin, unittest.TestCase): MAX = fromHex('0x.fffffffffffff8p+1024') # max normal MIN = fromHex('0x1p-1022') # min normal TINY = fromHex('0x0.0000000000001p-1022') # min subnormal EPS = fromHex('0x0.0000000000001p0') # diff between 1.0 and next float up def identical(self, x, y): - # check that floats x and y are identical, or that both - # are NaNs - if isnan(x) or isnan(y): - if isnan(x) == isnan(y): - return - elif x == y and (x != 0.0 or copysign(1.0, x) == copysign(1.0, y)): - return - self.fail('%r not identical to %r' % (x, y)) + self.assertFloatsAreIdentical(x, y) def test_ends(self): self.identical(self.MIN, ldexp(1.0, -1022)) |