diff options
author | cinap_lenrek <cinap_lenrek@localhost> | 2011-05-04 05:41:33 +0000 |
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committer | cinap_lenrek <cinap_lenrek@localhost> | 2011-05-04 05:41:33 +0000 |
commit | b8436b026a90291ba26afa4f7a2700720b03339f (patch) | |
tree | 3098aede87640c80567ecb31022e0404a8b5ec75 /sys/lib/python/test/test_float.py | |
parent | 6c1b42188259a6f1636cd15a9570b18af03e2dbb (diff) |
remove python test cases
Diffstat (limited to 'sys/lib/python/test/test_float.py')
-rw-r--r-- | sys/lib/python/test/test_float.py | 110 |
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() |