cpython-lru_cache-weakref: Lib/test/test

annotate Lib/test/test_isinstance.py @ 80661:94de77bd0b4b 2.7

Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.

author	Andrew Svetlov <andrew.svetlov@gmail.com>
date	Thu, 29 Nov 2012 19:51:28 +0200
parents	5fe9ceeca111
children	1c26505c1de6

rev	line source
23262 7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	1 # Tests some corner cases with isinstance() and issubclass(). While these
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	2 # tests use new style classes and properties, they actually do whitebox
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	3 # testing of error conditions uncovered when using extension types.
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	4
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	5 import unittest
24364 aa0d2d51fbde Get rid of relative imports in all unittests. Now anything that Barry Warsaw <barry@python.org> parents: 23521 diff changeset	6 from test import test_support
31723 d69fb35f1eae Limit the nesting depth of a tuple passed as the second argument to Brett Cannon <bcannon@gmail.com> parents: 28917 diff changeset	7 import sys
23262 7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	8
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	9
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	10
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	11 class TestIsInstanceExceptions(unittest.TestCase):
23262 7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	12 # Test to make sure that an AttributeError when accessing the instance's
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	13 # class's bases is masked. This was actually a bug in Python 2.2 and
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	14 # 2.2.1 where the exception wasn't caught but it also wasn't being cleared
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	15 # (leading to an "undetected error" in the debug build). Set up is,
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	16 # isinstance(inst, cls) where:
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	17 #
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	18 # - inst isn't an InstanceType
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	19 # - cls isn't a ClassType, a TypeType, or a TupleType
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	20 # - cls has a __bases__ attribute
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	21 # - inst has a __class__ attribute
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	22 # - inst.__class__ as no __bases__ attribute
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	23 #
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	24 # Sounds complicated, I know, but this mimics a situation where an
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	25 # extension type raises an AttributeError when its __bases__ attribute is
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	26 # gotten. In that case, isinstance() should return False.
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	27 def test_class_has_no_bases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	28 class I(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	29 def getclass(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	30 # This must return an object that has no __bases__ attribute
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	31 return None
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	32 __class__ = property(getclass)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	33
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	34 class C(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	35 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	36 return ()
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	37 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	38
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	39 self.assertEqual(False, isinstance(I(), C()))
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	40
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	41 # Like above except that inst.__class__.__bases__ raises an exception
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	42 # other than AttributeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	43 def test_bases_raises_other_than_attribute_error(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	44 class E(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	45 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	46 raise RuntimeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	47 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	48
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	49 class I(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	50 def getclass(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	51 return E()
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	52 __class__ = property(getclass)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	53
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	54 class C(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	55 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	56 return ()
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	57 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	58
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	59 self.assertRaises(RuntimeError, isinstance, I(), C())
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	60
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	61 # Here's a situation where getattr(cls, '__bases__') raises an exception.
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	62 # If that exception is not AttributeError, it should not get masked
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	63 def test_dont_mask_non_attribute_error(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	64 class I: pass
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	65
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	66 class C(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	67 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	68 raise RuntimeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	69 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	70
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	71 self.assertRaises(RuntimeError, isinstance, I(), C())
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	72
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	73 # Like above, except that getattr(cls, '__bases__') raises an
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	74 # AttributeError, which /should/ get masked as a TypeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	75 def test_mask_attribute_error(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	76 class I: pass
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	77
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	78 class C(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	79 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	80 raise AttributeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	81 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	82
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	83 self.assertRaises(TypeError, isinstance, I(), C())
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	84
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	85
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	86
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	87 # These tests are similar to above, but tickle certain code paths in
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	88 # issubclass() instead of isinstance() -- really PyObject_IsSubclass()
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	89 # vs. PyObject_IsInstance().
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	90 class TestIsSubclassExceptions(unittest.TestCase):
23262 7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	91 def test_dont_mask_non_attribute_error(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	92 class C(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	93 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	94 raise RuntimeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	95 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	96
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	97 class S(C): pass
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	98
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	99 self.assertRaises(RuntimeError, issubclass, C(), S())
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	100
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	101 def test_mask_attribute_error(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	102 class C(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	103 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	104 raise AttributeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	105 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	106
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	107 class S(C): pass
23521 a90faa5f9417 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 23265 diff changeset	108
23262 7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	109 self.assertRaises(TypeError, issubclass, C(), S())
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	110
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	111 # Like above, but test the second branch, where the __bases__ of the
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	112 # second arg (the cls arg) is tested. This means the first arg must
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	113 # return a valid __bases__, and it's okay for it to be a normal --
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	114 # unrelated by inheritance -- class.
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	115 def test_dont_mask_non_attribute_error_in_cls_arg(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	116 class B: pass
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	117
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	118 class C(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	119 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	120 raise RuntimeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	121 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	122
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	123 self.assertRaises(RuntimeError, issubclass, B, C())
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	124
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	125 def test_mask_attribute_error_in_cls_arg(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	126 class B: pass
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	127
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	128 class C(object):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	129 def getbases(self):
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	130 raise AttributeError
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	131 __bases__ = property(getbases)
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	132
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	133 self.assertRaises(TypeError, issubclass, B, C())
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	134
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	135
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	136
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	137 # meta classes for creating abstract classes and instances
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	138 class AbstractClass(object):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	139 def __init__(self, bases):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	140 self.bases = bases
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	141
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	142 def getbases(self):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	143 return self.bases
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	144 __bases__ = property(getbases)
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	145
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	146 def __call__(self):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	147 return AbstractInstance(self)
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	148
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	149 class AbstractInstance(object):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	150 def __init__(self, klass):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	151 self.klass = klass
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	152
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	153 def getclass(self):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	154 return self.klass
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	155 __class__ = property(getclass)
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	156
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	157 # abstract classes
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	158 AbstractSuper = AbstractClass(bases=())
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	159
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	160 AbstractChild = AbstractClass(bases=(AbstractSuper,))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	161
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	162 # normal classes
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	163 class Super:
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	164 pass
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	165
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	166 class Child(Super):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	167 pass
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	168
26622 19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	169 # new-style classes
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	170 class NewSuper(object):
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	171 pass
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	172
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	173 class NewChild(NewSuper):
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	174 pass
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	175
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	176
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	177
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	178 class TestIsInstanceIsSubclass(unittest.TestCase):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	179 # Tests to ensure that isinstance and issubclass work on abstract
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	180 # classes and instances. Before the 2.2 release, TypeErrors were
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	181 # raised when boolean values should have been returned. The bug was
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	182 # triggered by mixing 'normal' classes and instances were with
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	183 # 'abstract' classes and instances. This case tries to test all
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	184 # combinations.
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	185
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	186 def test_isinstance_normal(self):
23521 a90faa5f9417 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 23265 diff changeset	187 # normal instances
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	188 self.assertEqual(True, isinstance(Super(), Super))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	189 self.assertEqual(False, isinstance(Super(), Child))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	190 self.assertEqual(False, isinstance(Super(), AbstractSuper))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	191 self.assertEqual(False, isinstance(Super(), AbstractChild))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	192
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	193 self.assertEqual(True, isinstance(Child(), Super))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	194 self.assertEqual(False, isinstance(Child(), AbstractSuper))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	195
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	196 def test_isinstance_abstract(self):
23521 a90faa5f9417 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 23265 diff changeset	197 # abstract instances
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	198 self.assertEqual(True, isinstance(AbstractSuper(), AbstractSuper))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	199 self.assertEqual(False, isinstance(AbstractSuper(), AbstractChild))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	200 self.assertEqual(False, isinstance(AbstractSuper(), Super))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	201 self.assertEqual(False, isinstance(AbstractSuper(), Child))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	202
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	203 self.assertEqual(True, isinstance(AbstractChild(), AbstractChild))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	204 self.assertEqual(True, isinstance(AbstractChild(), AbstractSuper))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	205 self.assertEqual(False, isinstance(AbstractChild(), Super))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	206 self.assertEqual(False, isinstance(AbstractChild(), Child))
23521 a90faa5f9417 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 23265 diff changeset	207
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	208 def test_subclass_normal(self):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	209 # normal classes
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	210 self.assertEqual(True, issubclass(Super, Super))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	211 self.assertEqual(False, issubclass(Super, AbstractSuper))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	212 self.assertEqual(False, issubclass(Super, Child))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	213
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	214 self.assertEqual(True, issubclass(Child, Child))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	215 self.assertEqual(True, issubclass(Child, Super))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	216 self.assertEqual(False, issubclass(Child, AbstractSuper))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	217
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	218 def test_subclass_abstract(self):
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	219 # abstract classes
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	220 self.assertEqual(True, issubclass(AbstractSuper, AbstractSuper))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	221 self.assertEqual(False, issubclass(AbstractSuper, AbstractChild))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	222 self.assertEqual(False, issubclass(AbstractSuper, Child))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	223
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	224 self.assertEqual(True, issubclass(AbstractChild, AbstractChild))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	225 self.assertEqual(True, issubclass(AbstractChild, AbstractSuper))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	226 self.assertEqual(False, issubclass(AbstractChild, Super))
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	227 self.assertEqual(False, issubclass(AbstractChild, Child))
23521 a90faa5f9417 Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 23265 diff changeset	228
26612 97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is Walter Dörwald <walter@livinglogic.de> parents: 24364 diff changeset	229 def test_subclass_tuple(self):
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is Walter Dörwald <walter@livinglogic.de> parents: 24364 diff changeset	230 # test with a tuple as the second argument classes
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is Walter Dörwald <walter@livinglogic.de> parents: 24364 diff changeset	231 self.assertEqual(True, issubclass(Child, (Child,)))
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is Walter Dörwald <walter@livinglogic.de> parents: 24364 diff changeset	232 self.assertEqual(True, issubclass(Child, (Super,)))
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is Walter Dörwald <walter@livinglogic.de> parents: 24364 diff changeset	233 self.assertEqual(False, issubclass(Super, (Child,)))
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is Walter Dörwald <walter@livinglogic.de> parents: 24364 diff changeset	234 self.assertEqual(True, issubclass(Super, (Child, Super)))
97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is Walter Dörwald <walter@livinglogic.de> parents: 24364 diff changeset	235 self.assertEqual(False, issubclass(Child, ()))
26622 19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	236 self.assertEqual(True, issubclass(Super, (Child, (Super,))))
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	237
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	238 self.assertEqual(True, issubclass(NewChild, (NewChild,)))
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	239 self.assertEqual(True, issubclass(NewChild, (NewSuper,)))
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	240 self.assertEqual(False, issubclass(NewSuper, (NewChild,)))
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	241 self.assertEqual(True, issubclass(NewSuper, (NewChild, NewSuper)))
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	242 self.assertEqual(False, issubclass(NewChild, ()))
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	243 self.assertEqual(True, issubclass(NewSuper, (NewChild, (NewSuper,))))
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	244
19507a1d0254 Change issubclass() so that recursive tuples (directly or indirectly Walter Dörwald <walter@livinglogic.de> parents: 26612 diff changeset	245 self.assertEqual(True, issubclass(int, (long, (float, int))))
35309 5fe9ceeca111 Disable a few other tests, that can't work if Python is compiled without Walter Dörwald <walter@livinglogic.de> parents: 32538 diff changeset	246 if test_support.have_unicode:
5fe9ceeca111 Disable a few other tests, that can't work if Python is compiled without Walter Dörwald <walter@livinglogic.de> parents: 32538 diff changeset	247 self.assertEqual(True, issubclass(str, (unicode, (Child, NewChild, basestring))))
26612 97f83542f8ee Enhance issubclass() and PyObject_IsSubclass() so that a tuple is Walter Dörwald <walter@livinglogic.de> parents: 24364 diff changeset	248
31723 d69fb35f1eae Limit the nesting depth of a tuple passed as the second argument to Brett Cannon <bcannon@gmail.com> parents: 28917 diff changeset	249 def test_subclass_recursion_limit(self):
d69fb35f1eae Limit the nesting depth of a tuple passed as the second argument to Brett Cannon <bcannon@gmail.com> parents: 28917 diff changeset	250 # make sure that issubclass raises RuntimeError before the C stack is
d69fb35f1eae Limit the nesting depth of a tuple passed as the second argument to Brett Cannon <bcannon@gmail.com> parents: 28917 diff changeset	251 # blown
d69fb35f1eae Limit the nesting depth of a tuple passed as the second argument to Brett Cannon <bcannon@gmail.com> parents: 28917 diff changeset	252 self.assertRaises(RuntimeError, blowstack, issubclass, str, str)
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	253
31723 d69fb35f1eae Limit the nesting depth of a tuple passed as the second argument to Brett Cannon <bcannon@gmail.com> parents: 28917 diff changeset	254 def test_isinstance_recursion_limit(self):
d69fb35f1eae Limit the nesting depth of a tuple passed as the second argument to Brett Cannon <bcannon@gmail.com> parents: 28917 diff changeset	255 # make sure that issubclass raises RuntimeError before the C stack is
32538 4fab4a5cce2f Whitespace normalization. Tim Peters <tim.peters@gmail.com> parents: 31723 diff changeset	256 # blown
31723 d69fb35f1eae Limit the nesting depth of a tuple passed as the second argument to Brett Cannon <bcannon@gmail.com> parents: 28917 diff changeset	257 self.assertRaises(RuntimeError, blowstack, isinstance, '', str)
d69fb35f1eae Limit the nesting depth of a tuple passed as the second argument to Brett Cannon <bcannon@gmail.com> parents: 28917 diff changeset	258
d69fb35f1eae Limit the nesting depth of a tuple passed as the second argument to Brett Cannon <bcannon@gmail.com> parents: 28917 diff changeset	259 def blowstack(fxn, arg, compare_to):
d69fb35f1eae Limit the nesting depth of a tuple passed as the second argument to Brett Cannon <bcannon@gmail.com> parents: 28917 diff changeset	260 # Make sure that calling isinstance with a deeply nested tuple for its
d69fb35f1eae Limit the nesting depth of a tuple passed as the second argument to Brett Cannon <bcannon@gmail.com> parents: 28917 diff changeset	261 # argument will raise RuntimeError eventually.
d69fb35f1eae Limit the nesting depth of a tuple passed as the second argument to Brett Cannon <bcannon@gmail.com> parents: 28917 diff changeset	262 tuple_arg = (compare_to,)
d69fb35f1eae Limit the nesting depth of a tuple passed as the second argument to Brett Cannon <bcannon@gmail.com> parents: 28917 diff changeset	263 for cnt in xrange(sys.getrecursionlimit()+5):
d69fb35f1eae Limit the nesting depth of a tuple passed as the second argument to Brett Cannon <bcannon@gmail.com> parents: 28917 diff changeset	264 tuple_arg = (tuple_arg,)
d69fb35f1eae Limit the nesting depth of a tuple passed as the second argument to Brett Cannon <bcannon@gmail.com> parents: 28917 diff changeset	265 fxn(arg, tuple_arg)
23265 8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	266
8d4b25ceeefe Add more tests for abstract isinstance() and issubclass(). Neil Schemenauer <nascheme@enme.ucalgary.ca> parents: 23262 diff changeset	267
23262 7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	268 def test_main():
28917 1741af48fd9f Combine the functionality of test_support.run_unittest() Walter Dörwald <walter@livinglogic.de> parents: 26622 diff changeset	269 test_support.run_unittest(
1741af48fd9f Combine the functionality of test_support.run_unittest() Walter Dörwald <walter@livinglogic.de> parents: 26622 diff changeset	270 TestIsInstanceExceptions,
1741af48fd9f Combine the functionality of test_support.run_unittest() Walter Dörwald <walter@livinglogic.de> parents: 26622 diff changeset	271 TestIsSubclassExceptions,
1741af48fd9f Combine the functionality of test_support.run_unittest() Walter Dörwald <walter@livinglogic.de> parents: 26622 diff changeset	272 TestIsInstanceIsSubclass
1741af48fd9f Combine the functionality of test_support.run_unittest() Walter Dörwald <walter@livinglogic.de> parents: 26622 diff changeset	273 )
23262 7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	274
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	275
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	276 if __name__ == '__main__':
7353977d6b64 Unit tests for the changes in abstract.c version 2.101. The debug Barry Warsaw <barry@python.org> parents: diff changeset	277 test_main()

Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_isinstance.py @ 80661:94de77bd0b4b 2.7