mirrors/cpython
1
0
Fork 0
mirror of https://github.com/python/cpython.git synced 2025-08-04 00:48:58 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 8

Issue #10624: Use support.requires_IEEE_754 in all appropriate tests.

Browse source
This commit is contained in:
Eric Smith 2010-12-04 15:17:38 +00:00
parent 932e49e394
commit 3ab08cadae
7 changed files with 30 additions and 56 deletions
Download patch file Download diff file Expand all files Collapse all files

16
Lib/test/test_float.py
View file

@ -16,10 +16,6 @@ requires_getformat = unittest.skipUnless(have_getformat,
"requires __getformat__")
requires_setformat = unittest.skipUnless(hasattr(float, "__setformat__"),
"requires __setformat__")
# decorator for skipping tests on non-IEEE 754 platforms
requires_IEEE_754 = unittest.skipUnless(have_getformat and
float.__getformat__("double").startswith("IEEE"),
"test requires IEEE 754 doubles")
#locate file with float format test values
test_dir = os.path.dirname(__file__) or os.curdir
@ -196,7 +192,7 @@ class GeneralFloatCases(unittest.TestCase):
# distingishes -0.0 and 0.0.
self.assertEqual((a, copysign(1.0, a)), (b, copysign(1.0, b)))
@requires_IEEE_754
@support.requires_IEEE_754
def test_float_mod(self):
# Check behaviour of % operator for IEEE 754 special cases.
# In particular, check signs of zeros.
@ -216,7 +212,7 @@ class GeneralFloatCases(unittest.TestCase):
self.assertEqualAndEqualSign(mod(1e-100, -1.0), -1.0)
self.assertEqualAndEqualSign(mod(1.0, -1.0), -0.0)
@requires_IEEE_754
@support.requires_IEEE_754
def test_float_pow(self):
# test builtin pow and ** operator for IEEE 754 special cases.
# Special cases taken from section F.9.4.4 of the C99 specification
@ -503,7 +499,7 @@ class UnknownFormatTestCase(unittest.TestCase):
class IEEEFormatTestCase(unittest.TestCase):
@requires_IEEE_754
@support.requires_IEEE_754
def test_double_specials_do_unpack(self):
for fmt, data in [('>d', BE_DOUBLE_INF),
('>d', BE_DOUBLE_NAN),
@ -511,7 +507,7 @@ class IEEEFormatTestCase(unittest.TestCase):
('<d', LE_DOUBLE_NAN)]:
struct.unpack(fmt, data)
@requires_IEEE_754
@support.requires_IEEE_754
def test_float_specials_do_unpack(self):
for fmt, data in [('>f', BE_FLOAT_INF),
('>f', BE_FLOAT_NAN),
@ -574,7 +570,7 @@ class FormatTestCase(unittest.TestCase):
self.assertEqual(format(INF, 'f'), 'inf')
self.assertEqual(format(INF, 'F'), 'INF')
@requires_IEEE_754
@support.requires_IEEE_754
def test_format_testfile(self):
with open(format_testfile) as testfile:
for line in testfile:
@ -658,7 +654,7 @@ class ReprTestCase(unittest.TestCase):
self.assertEqual(repr(float(s)), str(float(s)))
self.assertEqual(repr(float(negs)), str(float(negs)))
@requires_IEEE_754
@support.requires_IEEE_754
class RoundTestCase(unittest.TestCase):
def test_inf_nan(self):