symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_class.py
changeset 1 2fb8b9db1c86
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/symbian-qemu-0.9.1-12/python-2.6.1/Lib/test/test_class.py	Fri Jul 31 15:01:17 2009 +0100
@@ -0,0 +1,622 @@
+"Test the functionality of Python classes implementing operators."
+
+import unittest
+
+from test import test_support
+
+testmeths = [
+
+# Binary operations
+    "add",
+    "radd",
+    "sub",
+    "rsub",
+    "mul",
+    "rmul",
+    "div",
+    "rdiv",
+    "mod",
+    "rmod",
+    "divmod",
+    "rdivmod",
+    "pow",
+    "rpow",
+    "rshift",
+    "rrshift",
+    "lshift",
+    "rlshift",
+    "and",
+    "rand",
+    "or",
+    "ror",
+    "xor",
+    "rxor",
+
+# List/dict operations
+    "contains",
+    "getitem",
+    "getslice",
+    "setitem",
+    "setslice",
+    "delitem",
+    "delslice",
+
+# Unary operations
+    "neg",
+    "pos",
+    "abs",
+
+# generic operations
+    "init",
+    ]
+
+# These need to return something other than None
+#    "coerce",
+#    "hash",
+#    "str",
+#    "repr",
+#    "int",
+#    "long",
+#    "float",
+#    "oct",
+#    "hex",
+
+# These are separate because they can influence the test of other methods.
+#    "getattr",
+#    "setattr",
+#    "delattr",
+
+callLst = []
+def trackCall(f):
+    def track(*args, **kwargs):
+        callLst.append((f.__name__, args))
+        return f(*args, **kwargs)
+    return track
+
+class AllTests:
+    trackCall = trackCall
+
+    @trackCall
+    def __coerce__(self, *args):
+        return (self,) + args
+
+    @trackCall
+    def __hash__(self, *args):
+        return hash(id(self))
+
+    @trackCall
+    def __str__(self, *args):
+        return "AllTests"
+
+    @trackCall
+    def __repr__(self, *args):
+        return "AllTests"
+
+    @trackCall
+    def __int__(self, *args):
+        return 1
+
+    @trackCall
+    def __float__(self, *args):
+        return 1.0
+
+    @trackCall
+    def __long__(self, *args):
+        return 1L
+
+    @trackCall
+    def __oct__(self, *args):
+        return '01'
+
+    @trackCall
+    def __hex__(self, *args):
+        return '0x1'
+
+    @trackCall
+    def __cmp__(self, *args):
+        return 0
+
+# Synthesize all the other AllTests methods from the names in testmeths.
+
+method_template = """\
+@trackCall
+def __%(method)s__(self, *args):
+    pass
+"""
+
+for method in testmeths:
+    exec method_template % locals() in AllTests.__dict__
+
+del method, method_template
+
+class ClassTests(unittest.TestCase):
+    def setUp(self):
+        callLst[:] = []
+
+    def assertCallStack(self, expected_calls):
+        actualCallList = callLst[:]  # need to copy because the comparison below will add
+                                     # additional calls to callLst
+        if expected_calls != actualCallList:
+            self.fail("Expected call list:\n  %s\ndoes not match actual call list\n  %s" %
+                      (expected_calls, actualCallList))
+
+    def testInit(self):
+        foo = AllTests()
+        self.assertCallStack([("__init__", (foo,))])
+
+    def testBinaryOps(self):
+        testme = AllTests()
+        # Binary operations
+
+        callLst[:] = []
+        testme + 1
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__add__", (testme, 1))])
+
+        callLst[:] = []
+        1 + testme
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__radd__", (testme, 1))])
+
+        callLst[:] = []
+        testme - 1
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__sub__", (testme, 1))])
+
+        callLst[:] = []
+        1 - testme
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__rsub__", (testme, 1))])
+
+        callLst[:] = []
+        testme * 1
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__mul__", (testme, 1))])
+
+        callLst[:] = []
+        1 * testme
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__rmul__", (testme, 1))])
+
+        if 1/2 == 0:
+            callLst[:] = []
+            testme / 1
+            self.assertCallStack([("__coerce__", (testme, 1)), ("__div__", (testme, 1))])
+
+
+            callLst[:] = []
+            1 / testme
+            self.assertCallStack([("__coerce__", (testme, 1)), ("__rdiv__", (testme, 1))])
+
+        callLst[:] = []
+        testme % 1
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__mod__", (testme, 1))])
+
+        callLst[:] = []
+        1 % testme
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__rmod__", (testme, 1))])
+
+
+        callLst[:] = []
+        divmod(testme,1)
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__divmod__", (testme, 1))])
+
+        callLst[:] = []
+        divmod(1, testme)
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__rdivmod__", (testme, 1))])
+
+        callLst[:] = []
+        testme ** 1
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__pow__", (testme, 1))])
+
+        callLst[:] = []
+        1 ** testme
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__rpow__", (testme, 1))])
+
+        callLst[:] = []
+        testme >> 1
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__rshift__", (testme, 1))])
+
+        callLst[:] = []
+        1 >> testme
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__rrshift__", (testme, 1))])
+
+        callLst[:] = []
+        testme << 1
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__lshift__", (testme, 1))])
+
+        callLst[:] = []
+        1 << testme
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__rlshift__", (testme, 1))])
+
+        callLst[:] = []
+        testme & 1
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__and__", (testme, 1))])
+
+        callLst[:] = []
+        1 & testme
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__rand__", (testme, 1))])
+
+        callLst[:] = []
+        testme | 1
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__or__", (testme, 1))])
+
+        callLst[:] = []
+        1 | testme
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__ror__", (testme, 1))])
+
+        callLst[:] = []
+        testme ^ 1
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__xor__", (testme, 1))])
+
+        callLst[:] = []
+        1 ^ testme
+        self.assertCallStack([("__coerce__", (testme, 1)), ("__rxor__", (testme, 1))])
+
+    def testListAndDictOps(self):
+        testme = AllTests()
+
+        # List/dict operations
+
+        class Empty: pass
+
+        try:
+            1 in Empty()
+            self.fail('failed, should have raised TypeError')
+        except TypeError:
+            pass
+
+        callLst[:] = []
+        1 in testme
+        self.assertCallStack([('__contains__', (testme, 1))])
+
+        callLst[:] = []
+        testme[1]
+        self.assertCallStack([('__getitem__', (testme, 1))])
+
+        callLst[:] = []
+        testme[1] = 1
+        self.assertCallStack([('__setitem__', (testme, 1, 1))])
+
+        callLst[:] = []
+        del testme[1]
+        self.assertCallStack([('__delitem__', (testme, 1))])
+
+        callLst[:] = []
+        testme[:42]
+        self.assertCallStack([('__getslice__', (testme, 0, 42))])
+
+        callLst[:] = []
+        testme[:42] = "The Answer"
+        self.assertCallStack([('__setslice__', (testme, 0, 42, "The Answer"))])
+
+        callLst[:] = []
+        del testme[:42]
+        self.assertCallStack([('__delslice__', (testme, 0, 42))])
+
+        callLst[:] = []
+        testme[2:1024:10]
+        self.assertCallStack([('__getitem__', (testme, slice(2, 1024, 10)))])
+
+        callLst[:] = []
+        testme[2:1024:10] = "A lot"
+        self.assertCallStack([('__setitem__', (testme, slice(2, 1024, 10),
+                                                                    "A lot"))])
+        callLst[:] = []
+        del testme[2:1024:10]
+        self.assertCallStack([('__delitem__', (testme, slice(2, 1024, 10)))])
+
+        callLst[:] = []
+        testme[:42, ..., :24:, 24, 100]
+        self.assertCallStack([('__getitem__', (testme, (slice(None, 42, None),
+                                                        Ellipsis,
+                                                        slice(None, 24, None),
+                                                        24, 100)))])
+        callLst[:] = []
+        testme[:42, ..., :24:, 24, 100] = "Strange"
+        self.assertCallStack([('__setitem__', (testme, (slice(None, 42, None),
+                                                        Ellipsis,
+                                                        slice(None, 24, None),
+                                                        24, 100), "Strange"))])
+        callLst[:] = []
+        del testme[:42, ..., :24:, 24, 100]
+        self.assertCallStack([('__delitem__', (testme, (slice(None, 42, None),
+                                                        Ellipsis,
+                                                        slice(None, 24, None),
+                                                        24, 100)))])
+
+        # Now remove the slice hooks to see if converting normal slices to
+        #  slice object works.
+
+        getslice = AllTests.__getslice__
+        del AllTests.__getslice__
+        setslice = AllTests.__setslice__
+        del AllTests.__setslice__
+        delslice = AllTests.__delslice__
+        del AllTests.__delslice__
+
+        # XXX when using new-style classes the slice testme[:42] produces
+        #  slice(None, 42, None) instead of slice(0, 42, None). py3k will have
+        #  to change this test.
+        callLst[:] = []
+        testme[:42]
+        self.assertCallStack([('__getitem__', (testme, slice(0, 42, None)))])
+
+        callLst[:] = []
+        testme[:42] = "The Answer"
+        self.assertCallStack([('__setitem__', (testme, slice(0, 42, None),
+                                                                "The Answer"))])
+        callLst[:] = []
+        del testme[:42]
+        self.assertCallStack([('__delitem__', (testme, slice(0, 42, None)))])
+
+        # Restore the slice methods, or the tests will fail with regrtest -R.
+        AllTests.__getslice__ = getslice
+        AllTests.__setslice__ = setslice
+        AllTests.__delslice__ = delslice
+
+
+    def testUnaryOps(self):
+        testme = AllTests()
+
+        callLst[:] = []
+        -testme
+        self.assertCallStack([('__neg__', (testme,))])
+        callLst[:] = []
+        +testme
+        self.assertCallStack([('__pos__', (testme,))])
+        callLst[:] = []
+        abs(testme)
+        self.assertCallStack([('__abs__', (testme,))])
+        callLst[:] = []
+        int(testme)
+        self.assertCallStack([('__int__', (testme,))])
+        callLst[:] = []
+        long(testme)
+        self.assertCallStack([('__long__', (testme,))])
+        callLst[:] = []
+        float(testme)
+        self.assertCallStack([('__float__', (testme,))])
+        callLst[:] = []
+        oct(testme)
+        self.assertCallStack([('__oct__', (testme,))])
+        callLst[:] = []
+        hex(testme)
+        self.assertCallStack([('__hex__', (testme,))])
+
+
+    def testMisc(self):
+        testme = AllTests()
+
+        callLst[:] = []
+        hash(testme)
+        self.assertCallStack([('__hash__', (testme,))])
+
+        callLst[:] = []
+        repr(testme)
+        self.assertCallStack([('__repr__', (testme,))])
+
+        callLst[:] = []
+        str(testme)
+        self.assertCallStack([('__str__', (testme,))])
+
+        callLst[:] = []
+        testme == 1
+        self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (testme, 1))])
+
+        callLst[:] = []
+        testme < 1
+        self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (testme, 1))])
+
+        callLst[:] = []
+        testme > 1
+        self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (testme, 1))])
+
+        callLst[:] = []
+        testme <> 1  # XXX kill this in py3k
+        self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (testme, 1))])
+
+        callLst[:] = []
+        testme != 1
+        self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (testme, 1))])
+
+        callLst[:] = []
+        1 == testme
+        self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (1, testme))])
+
+        callLst[:] = []
+        1 < testme
+        self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (1, testme))])
+
+        callLst[:] = []
+        1 > testme
+        self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (1, testme))])
+
+        callLst[:] = []
+        1 <> testme
+        self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (1, testme))])
+
+        callLst[:] = []
+        1 != testme
+        self.assertCallStack([("__coerce__", (testme, 1)), ('__cmp__', (1, testme))])
+
+
+    def testGetSetAndDel(self):
+        # Interfering tests
+        class ExtraTests(AllTests):
+            @trackCall
+            def __getattr__(self, *args):
+                return "SomeVal"
+
+            @trackCall
+            def __setattr__(self, *args):
+                pass
+
+            @trackCall
+            def __delattr__(self, *args):
+                pass
+
+        testme = ExtraTests()
+
+        callLst[:] = []
+        testme.spam
+        self.assertCallStack([('__getattr__', (testme, "spam"))])
+
+        callLst[:] = []
+        testme.eggs = "spam, spam, spam and ham"
+        self.assertCallStack([('__setattr__', (testme, "eggs",
+                                               "spam, spam, spam and ham"))])
+
+        callLst[:] = []
+        del testme.cardinal
+        self.assertCallStack([('__delattr__', (testme, "cardinal"))])
+
+    def testDel(self):
+        x = []
+
+        class DelTest:
+            def __del__(self):
+                x.append("crab people, crab people")
+        testme = DelTest()
+        del testme
+        import gc
+        gc.collect()
+        self.assertEquals(["crab people, crab people"], x)
+
+    def testBadTypeReturned(self):
+        # return values of some method are type-checked
+        class BadTypeClass:
+            def __int__(self):
+                return None
+            __float__ = __int__
+            __long__ = __int__
+            __str__ = __int__
+            __repr__ = __int__
+            __oct__ = __int__
+            __hex__ = __int__
+
+        for f in [int, float, long, str, repr, oct, hex]:
+            self.assertRaises(TypeError, f, BadTypeClass())
+
+    def testMixIntsAndLongs(self):
+        # mixing up ints and longs is okay
+        class IntLongMixClass:
+            @trackCall
+            def __int__(self):
+                return 42L
+
+            @trackCall
+            def __long__(self):
+                return 64
+
+        mixIntAndLong = IntLongMixClass()
+
+        callLst[:] = []
+        as_int = int(mixIntAndLong)
+        self.assertEquals(type(as_int), long)
+        self.assertEquals(as_int, 42L)
+        self.assertCallStack([('__int__', (mixIntAndLong,))])
+
+        callLst[:] = []
+        as_long = long(mixIntAndLong)
+        self.assertEquals(type(as_long), int)
+        self.assertEquals(as_long, 64)
+        self.assertCallStack([('__long__', (mixIntAndLong,))])
+
+    def testHashStuff(self):
+        # Test correct errors from hash() on objects with comparisons but
+        #  no __hash__
+
+        class C0:
+            pass
+
+        hash(C0()) # This should work; the next two should raise TypeError
+
+        class C1:
+            def __cmp__(self, other): return 0
+
+        self.assertRaises(TypeError, hash, C1())
+
+        class C2:
+            def __eq__(self, other): return 1
+
+        self.assertRaises(TypeError, hash, C2())
+
+
+    def testSFBug532646(self):
+        # Test for SF bug 532646
+
+        class A:
+            pass
+        A.__call__ = A()
+        a = A()
+
+        try:
+            a() # This should not segfault
+        except RuntimeError:
+            pass
+        else:
+            self.fail("Failed to raise RuntimeError")
+
+    def testForExceptionsRaisedInInstanceGetattr2(self):
+        # Tests for exceptions raised in instance_getattr2().
+
+        def booh(self):
+            raise AttributeError("booh")
+
+        class A:
+            a = property(booh)
+        try:
+            A().a # Raised AttributeError: A instance has no attribute 'a'
+        except AttributeError, x:
+            if str(x) != "booh":
+                self.fail("attribute error for A().a got masked: %s" % x)
+
+        class E:
+            __eq__ = property(booh)
+        E() == E() # In debug mode, caused a C-level assert() to fail
+
+        class I:
+            __init__ = property(booh)
+        try:
+            # In debug mode, printed XXX undetected error and
+            #  raises AttributeError
+            I()
+        except AttributeError, x:
+            pass
+        else:
+            self.fail("attribute error for I.__init__ got masked")
+
+    def testHashComparisonOfMethods(self):
+        # Test comparison and hash of methods
+        class A:
+            def __init__(self, x):
+                self.x = x
+            def f(self):
+                pass
+            def g(self):
+                pass
+            def __eq__(self, other):
+                return self.x == other.x
+            def __hash__(self):
+                return self.x
+        class B(A):
+            pass
+
+        a1 = A(1)
+        a2 = A(2)
+        self.assertEquals(a1.f, a1.f)
+        self.assertNotEquals(a1.f, a2.f)
+        self.assertNotEquals(a1.f, a1.g)
+        self.assertEquals(a1.f, A(1).f)
+        self.assertEquals(hash(a1.f), hash(a1.f))
+        self.assertEquals(hash(a1.f), hash(A(1).f))
+
+        self.assertNotEquals(A.f, a1.f)
+        self.assertNotEquals(A.f, A.g)
+        self.assertEquals(B.f, A.f)
+        self.assertEquals(hash(B.f), hash(A.f))
+
+        # the following triggers a SystemError in 2.4
+        a = A(hash(A.f.im_func)^(-1))
+        hash(a.f)
+
+def test_main():
+    test_support.run_unittest(ClassTests)
+
+if __name__=='__main__':
+    test_main()