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authorSimon Robertshaw <simon@hardwired.org.uk>2011-10-26 13:50:50 (GMT)
committer Simon Robertshaw <simon@hardwired.org.uk>2011-10-26 13:50:50 (GMT)
commite46ef289e142982d7bd592faa7b0f85470364c01 (patch)
treecda253e03788f7db0a7cdcd05662f66b4455e298 /src/python/stdlib/test/test_hash.py
parentd0d0d62bbcbb5c3417f8cba419c83bac192ea985 (diff)
downloadpowder-e46ef289e142982d7bd592faa7b0f85470364c01.zip
powder-e46ef289e142982d7bd592faa7b0f85470364c01.tar.gz
Remove Python console stuff
Diffstat (limited to 'src/python/stdlib/test/test_hash.py')
-rw-r--r--src/python/stdlib/test/test_hash.py144
1 files changed, 0 insertions, 144 deletions
diff --git a/src/python/stdlib/test/test_hash.py b/src/python/stdlib/test/test_hash.py
deleted file mode 100644
index d2571d0..0000000
--- a/src/python/stdlib/test/test_hash.py
+++ /dev/null
@@ -1,144 +0,0 @@
-# test the invariant that
-# iff a==b then hash(a)==hash(b)
-#
-# Also test that hash implementations are inherited as expected
-
-import unittest
-from test import test_support
-from collections import Hashable
-
-
-class HashEqualityTestCase(unittest.TestCase):
-
- def same_hash(self, *objlist):
- # Hash each object given and fail if
- # the hash values are not all the same.
- hashed = map(hash, objlist)
- for h in hashed[1:]:
- if h != hashed[0]:
- self.fail("hashed values differ: %r" % (objlist,))
-
- def test_numeric_literals(self):
- self.same_hash(1, 1L, 1.0, 1.0+0.0j)
- self.same_hash(0, 0L, 0.0, 0.0+0.0j)
- self.same_hash(-1, -1L, -1.0, -1.0+0.0j)
- self.same_hash(-2, -2L, -2.0, -2.0+0.0j)
-
- def test_coerced_integers(self):
- self.same_hash(int(1), long(1), float(1), complex(1),
- int('1'), float('1.0'))
- self.same_hash(int(-2**31), long(-2**31), float(-2**31))
- self.same_hash(int(1-2**31), long(1-2**31), float(1-2**31))
- self.same_hash(int(2**31-1), long(2**31-1), float(2**31-1))
- # for 64-bit platforms
- self.same_hash(int(2**31), long(2**31), float(2**31))
- self.same_hash(int(-2**63), long(-2**63), float(-2**63))
- self.same_hash(int(1-2**63), long(1-2**63))
- self.same_hash(int(2**63-1), long(2**63-1))
- self.same_hash(long(2**63), float(2**63))
-
- def test_coerced_floats(self):
- self.same_hash(long(1.23e300), float(1.23e300))
- self.same_hash(float(0.5), complex(0.5, 0.0))
-
-
-_default_hash = object.__hash__
-class DefaultHash(object): pass
-
-_FIXED_HASH_VALUE = 42
-class FixedHash(object):
- def __hash__(self):
- return _FIXED_HASH_VALUE
-
-class OnlyEquality(object):
- def __eq__(self, other):
- return self is other
- # Trick to suppress Py3k warning in 2.x
- __hash__ = None
-del OnlyEquality.__hash__
-
-class OnlyInequality(object):
- def __ne__(self, other):
- return self is not other
-
-class OnlyCmp(object):
- def __cmp__(self, other):
- return cmp(id(self), id(other))
- # Trick to suppress Py3k warning in 2.x
- __hash__ = None
-del OnlyCmp.__hash__
-
-class InheritedHashWithEquality(FixedHash, OnlyEquality): pass
-class InheritedHashWithInequality(FixedHash, OnlyInequality): pass
-class InheritedHashWithCmp(FixedHash, OnlyCmp): pass
-
-class NoHash(object):
- __hash__ = None
-
-class HashInheritanceTestCase(unittest.TestCase):
- default_expected = [object(),
- DefaultHash(),
- OnlyEquality(),
- OnlyInequality(),
- OnlyCmp(),
- ]
- fixed_expected = [FixedHash(),
- InheritedHashWithEquality(),
- InheritedHashWithInequality(),
- InheritedHashWithCmp(),
- ]
- error_expected = [NoHash()]
-
- def test_default_hash(self):
- for obj in self.default_expected:
- self.assertEqual(hash(obj), _default_hash(obj))
-
- def test_fixed_hash(self):
- for obj in self.fixed_expected:
- self.assertEqual(hash(obj), _FIXED_HASH_VALUE)
-
- def test_error_hash(self):
- for obj in self.error_expected:
- self.assertRaises(TypeError, hash, obj)
-
- def test_hashable(self):
- objects = (self.default_expected +
- self.fixed_expected)
- for obj in objects:
- self.assertIsInstance(obj, Hashable)
-
- def test_not_hashable(self):
- for obj in self.error_expected:
- self.assertNotIsInstance(obj, Hashable)
-
-
-# Issue #4701: Check that some builtin types are correctly hashable
-# (This test only used to fail in Python 3.0, but has been included
-# in 2.x along with the lazy call to PyType_Ready in PyObject_Hash)
-class DefaultIterSeq(object):
- seq = range(10)
- def __len__(self):
- return len(self.seq)
- def __getitem__(self, index):
- return self.seq[index]
-
-class HashBuiltinsTestCase(unittest.TestCase):
- hashes_to_check = [xrange(10),
- enumerate(xrange(10)),
- iter(DefaultIterSeq()),
- iter(lambda: 0, 0),
- ]
-
- def test_hashes(self):
- _default_hash = object.__hash__
- for obj in self.hashes_to_check:
- self.assertEqual(hash(obj), _default_hash(obj))
-
-def test_main():
- test_support.run_unittest(HashEqualityTestCase,
- HashInheritanceTestCase,
- HashBuiltinsTestCase)
-
-
-if __name__ == "__main__":
- test_main()