python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Lib/test/test_class.py

@@ -0,0 +1,600 @@
+"Test the functionality of Python classes implementing operators."
+
+import unittest
+
+
+testmeths = [
+
+# Binary operations
+    "add",
+    "radd",
+    "sub",
+    "rsub",
+    "mul",
+    "rmul",
+    "matmul",
+    "rmatmul",
+    "truediv",
+    "rtruediv",
+    "floordiv",
+    "rfloordiv",
+    "mod",
+    "rmod",
+    "divmod",
+    "rdivmod",
+    "pow",
+    "rpow",
+    "rshift",
+    "rrshift",
+    "lshift",
+    "rlshift",
+    "and",
+    "rand",
+    "or",
+    "ror",
+    "xor",
+    "rxor",
+
+# List/dict operations
+    "contains",
+    "getitem",
+    "setitem",
+    "delitem",
+
+# Unary operations
+    "neg",
+    "pos",
+    "abs",
+
+# generic operations
+    "init",
+    ]
+
+# These need to return something other than None
+#    "hash",
+#    "str",
+#    "repr",
+#    "int",
+#    "float",
+
+# 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
+
+statictests = """
+@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 __index__(self, *args):
+    return 1
+
+@trackCall
+def __float__(self, *args):
+    return 1.0
+
+@trackCall
+def __eq__(self, *args):
+    return True
+
+@trackCall
+def __ne__(self, *args):
+    return False
+
+@trackCall
+def __lt__(self, *args):
+    return False
+
+@trackCall
+def __le__(self, *args):
+    return True
+
+@trackCall
+def __gt__(self, *args):
+    return False
+
+@trackCall
+def __ge__(self, *args):
+    return True
+"""
+
+# Synthesize all the other AllTests methods from the names in testmeths.
+
+method_template = """\
+@trackCall
+def __%s__(self, *args):
+    pass
+"""
+
+d = {}
+exec(statictests, globals(), d)
+for method in testmeths:
+    exec(method_template % method, globals(), d)
+AllTests = type("AllTests", (object,), d)
+del d, statictests, 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([("__add__", (testme, 1))])
+
+        callLst[:] = []
+        1 + testme
+        self.assertCallStack([("__radd__", (testme, 1))])
+
+        callLst[:] = []
+        testme - 1
+        self.assertCallStack([("__sub__", (testme, 1))])
+
+        callLst[:] = []
+        1 - testme
+        self.assertCallStack([("__rsub__", (testme, 1))])
+
+        callLst[:] = []
+        testme * 1
+        self.assertCallStack([("__mul__", (testme, 1))])
+
+        callLst[:] = []
+        1 * testme
+        self.assertCallStack([("__rmul__", (testme, 1))])
+
+        callLst[:] = []
+        testme @ 1
+        self.assertCallStack([("__matmul__", (testme, 1))])
+
+        callLst[:] = []
+        1 @ testme
+        self.assertCallStack([("__rmatmul__", (testme, 1))])
+
+        callLst[:] = []
+        testme / 1
+        self.assertCallStack([("__truediv__", (testme, 1))])
+
+
+        callLst[:] = []
+        1 / testme
+        self.assertCallStack([("__rtruediv__", (testme, 1))])
+
+        callLst[:] = []
+        testme // 1
+        self.assertCallStack([("__floordiv__", (testme, 1))])
+
+
+        callLst[:] = []
+        1 // testme
+        self.assertCallStack([("__rfloordiv__", (testme, 1))])
+
+        callLst[:] = []
+        testme % 1
+        self.assertCallStack([("__mod__", (testme, 1))])
+
+        callLst[:] = []
+        1 % testme
+        self.assertCallStack([("__rmod__", (testme, 1))])
+
+
+        callLst[:] = []
+        divmod(testme,1)
+        self.assertCallStack([("__divmod__", (testme, 1))])
+
+        callLst[:] = []
+        divmod(1, testme)
+        self.assertCallStack([("__rdivmod__", (testme, 1))])
+
+        callLst[:] = []
+        testme ** 1
+        self.assertCallStack([("__pow__", (testme, 1))])
+
+        callLst[:] = []
+        1 ** testme
+        self.assertCallStack([("__rpow__", (testme, 1))])
+
+        callLst[:] = []
+        testme >> 1
+        self.assertCallStack([("__rshift__", (testme, 1))])
+
+        callLst[:] = []
+        1 >> testme
+        self.assertCallStack([("__rrshift__", (testme, 1))])
+
+        callLst[:] = []
+        testme << 1
+        self.assertCallStack([("__lshift__", (testme, 1))])
+
+        callLst[:] = []
+        1 << testme
+        self.assertCallStack([("__rlshift__", (testme, 1))])
+
+        callLst[:] = []
+        testme & 1
+        self.assertCallStack([("__and__", (testme, 1))])
+
+        callLst[:] = []
+        1 & testme
+        self.assertCallStack([("__rand__", (testme, 1))])
+
+        callLst[:] = []
+        testme | 1
+        self.assertCallStack([("__or__", (testme, 1))])
+
+        callLst[:] = []
+        1 | testme
+        self.assertCallStack([("__ror__", (testme, 1))])
+
+        callLst[:] = []
+        testme ^ 1
+        self.assertCallStack([("__xor__", (testme, 1))])
+
+        callLst[:] = []
+        1 ^ testme
+        self.assertCallStack([("__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([('__getitem__', (testme, slice(None, 42)))])
+
+        callLst[:] = []
+        testme[:42] = "The Answer"
+        self.assertCallStack([('__setitem__', (testme, slice(None, 42),
+                                               "The Answer"))])
+
+        callLst[:] = []
+        del testme[:42]
+        self.assertCallStack([('__delitem__', (testme, slice(None, 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)))])
+
+    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[:] = []
+        float(testme)
+        self.assertCallStack([('__float__', (testme,))])
+        callLst[:] = []
+        oct(testme)
+        self.assertCallStack([('__index__', (testme,))])
+        callLst[:] = []
+        hex(testme)
+        self.assertCallStack([('__index__', (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([('__eq__', (testme, 1))])
+
+        callLst[:] = []
+        testme < 1
+        self.assertCallStack([('__lt__', (testme, 1))])
+
+        callLst[:] = []
+        testme > 1
+        self.assertCallStack([('__gt__', (testme, 1))])
+
+        callLst[:] = []
+        testme != 1
+        self.assertCallStack([('__ne__', (testme, 1))])
+
+        callLst[:] = []
+        1 == testme
+        self.assertCallStack([('__eq__', (1, testme))])
+
+        callLst[:] = []
+        1 < testme
+        self.assertCallStack([('__gt__', (1, testme))])
+
+        callLst[:] = []
+        1 > testme
+        self.assertCallStack([('__lt__', (1, testme))])
+
+        callLst[:] = []
+        1 != testme
+        self.assertCallStack([('__ne__', (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.assertEqual(["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__
+            __complex__ = __int__
+            __str__ = __int__
+            __repr__ = __int__
+            __bytes__ = __int__
+            __bool__ = __int__
+            __index__ = __int__
+        def index(x):
+            return [][x]
+
+        for f in [float, complex, str, repr, bytes, bin, oct, hex, bool, index]:
+            self.assertRaises(TypeError, f, BadTypeClass())
+
+    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 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 RecursionError:
+            pass
+        else:
+            self.fail("Failed to raise RecursionError")
+
+    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 as 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 as 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.assertEqual(a1.f, a1.f)
+        self.assertNotEqual(a1.f, a2.f)
+        self.assertNotEqual(a1.f, a1.g)
+        self.assertEqual(a1.f, A(1).f)
+        self.assertEqual(hash(a1.f), hash(a1.f))
+        self.assertEqual(hash(a1.f), hash(A(1).f))
+
+        self.assertNotEqual(A.f, a1.f)
+        self.assertNotEqual(A.f, A.g)
+        self.assertEqual(B.f, A.f)
+        self.assertEqual(hash(B.f), hash(A.f))
+
+        # the following triggers a SystemError in 2.4
+        a = A(hash(A.f)^(-1))
+        hash(a.f)
+
+    def testSetattrWrapperNameIntern(self):
+        # Issue #25794: __setattr__ should intern the attribute name
+        class A:
+            pass
+
+        def add(self, other):
+            return 'summa'
+
+        name = str(b'__add__', 'ascii')  # shouldn't be optimized
+        self.assertIsNot(name, '__add__')  # not interned
+        type.__setattr__(A, name, add)
+        self.assertEqual(A() + 1, 'summa')
+
+        name2 = str(b'__add__', 'ascii')
+        self.assertIsNot(name2, '__add__')
+        self.assertIsNot(name2, name)
+        type.__delattr__(A, name2)
+        with self.assertRaises(TypeError):
+            A() + 1
+
+    def testSetattrNonStringName(self):
+        class A:
+            pass
+
+        with self.assertRaises(TypeError):
+            type.__setattr__(A, b'x', None)
+
+
+if __name__ == '__main__':
+    unittest.main()