summaryrefslogtreecommitdiff
path: root/sys/lib/python/test/test_float.py
diff options
context:
space:
mode:
authorcinap_lenrek <cinap_lenrek@localhost>2011-05-04 05:41:33 +0000
committercinap_lenrek <cinap_lenrek@localhost>2011-05-04 05:41:33 +0000
commitb8436b026a90291ba26afa4f7a2700720b03339f (patch)
tree3098aede87640c80567ecb31022e0404a8b5ec75 /sys/lib/python/test/test_float.py
parent6c1b42188259a6f1636cd15a9570b18af03e2dbb (diff)
remove python test cases
Diffstat (limited to 'sys/lib/python/test/test_float.py')
-rw-r--r--sys/lib/python/test/test_float.py110
1 files changed, 0 insertions, 110 deletions
diff --git a/sys/lib/python/test/test_float.py b/sys/lib/python/test/test_float.py
deleted file mode 100644
index fb47db8eb..000000000
--- a/sys/lib/python/test/test_float.py
+++ /dev/null
@@ -1,110 +0,0 @@
-
-import unittest, struct
-from test import test_support
-
-class FormatFunctionsTestCase(unittest.TestCase):
-
- def setUp(self):
- self.save_formats = {'double':float.__getformat__('double'),
- 'float':float.__getformat__('float')}
-
- def tearDown(self):
- float.__setformat__('double', self.save_formats['double'])
- float.__setformat__('float', self.save_formats['float'])
-
- def test_getformat(self):
- self.assert_(float.__getformat__('double') in
- ['unknown', 'IEEE, big-endian', 'IEEE, little-endian'])
- self.assert_(float.__getformat__('float') in
- ['unknown', 'IEEE, big-endian', 'IEEE, little-endian'])
- self.assertRaises(ValueError, float.__getformat__, 'chicken')
- self.assertRaises(TypeError, float.__getformat__, 1)
-
- def test_setformat(self):
- for t in 'double', 'float':
- float.__setformat__(t, 'unknown')
- if self.save_formats[t] == 'IEEE, big-endian':
- self.assertRaises(ValueError, float.__setformat__,
- t, 'IEEE, little-endian')
- elif self.save_formats[t] == 'IEEE, little-endian':
- self.assertRaises(ValueError, float.__setformat__,
- t, 'IEEE, big-endian')
- else:
- self.assertRaises(ValueError, float.__setformat__,
- t, 'IEEE, big-endian')
- self.assertRaises(ValueError, float.__setformat__,
- t, 'IEEE, little-endian')
- self.assertRaises(ValueError, float.__setformat__,
- t, 'chicken')
- self.assertRaises(ValueError, float.__setformat__,
- 'chicken', 'unknown')
-
-BE_DOUBLE_INF = '\x7f\xf0\x00\x00\x00\x00\x00\x00'
-LE_DOUBLE_INF = ''.join(reversed(BE_DOUBLE_INF))
-BE_DOUBLE_NAN = '\x7f\xf8\x00\x00\x00\x00\x00\x00'
-LE_DOUBLE_NAN = ''.join(reversed(BE_DOUBLE_NAN))
-
-BE_FLOAT_INF = '\x7f\x80\x00\x00'
-LE_FLOAT_INF = ''.join(reversed(BE_FLOAT_INF))
-BE_FLOAT_NAN = '\x7f\xc0\x00\x00'
-LE_FLOAT_NAN = ''.join(reversed(BE_FLOAT_NAN))
-
-# on non-IEEE platforms, attempting to unpack a bit pattern
-# representing an infinity or a NaN should raise an exception.
-
-class UnknownFormatTestCase(unittest.TestCase):
- def setUp(self):
- self.save_formats = {'double':float.__getformat__('double'),
- 'float':float.__getformat__('float')}
- float.__setformat__('double', 'unknown')
- float.__setformat__('float', 'unknown')
-
- def tearDown(self):
- float.__setformat__('double', self.save_formats['double'])
- float.__setformat__('float', self.save_formats['float'])
-
- def test_double_specials_dont_unpack(self):
- for fmt, data in [('>d', BE_DOUBLE_INF),
- ('>d', BE_DOUBLE_NAN),
- ('<d', LE_DOUBLE_INF),
- ('<d', LE_DOUBLE_NAN)]:
- self.assertRaises(ValueError, struct.unpack, fmt, data)
-
- def test_float_specials_dont_unpack(self):
- for fmt, data in [('>f', BE_FLOAT_INF),
- ('>f', BE_FLOAT_NAN),
- ('<f', LE_FLOAT_INF),
- ('<f', LE_FLOAT_NAN)]:
- self.assertRaises(ValueError, struct.unpack, fmt, data)
-
-
-# on an IEEE platform, all we guarantee is that bit patterns
-# representing infinities or NaNs do not raise an exception; all else
-# is accident (today).
-
-class IEEEFormatTestCase(unittest.TestCase):
- if float.__getformat__("double").startswith("IEEE"):
- def test_double_specials_do_unpack(self):
- for fmt, data in [('>d', BE_DOUBLE_INF),
- ('>d', BE_DOUBLE_NAN),
- ('<d', LE_DOUBLE_INF),
- ('<d', LE_DOUBLE_NAN)]:
- struct.unpack(fmt, data)
-
- if float.__getformat__("float").startswith("IEEE"):
- def test_float_specials_do_unpack(self):
- for fmt, data in [('>f', BE_FLOAT_INF),
- ('>f', BE_FLOAT_NAN),
- ('<f', LE_FLOAT_INF),
- ('<f', LE_FLOAT_NAN)]:
- struct.unpack(fmt, data)
-
-
-def test_main():
- test_support.run_unittest(
- FormatFunctionsTestCase,
- UnknownFormatTestCase,
- IEEEFormatTestCase)
-
-if __name__ == '__main__':
- test_main()