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241 lines
3.6 KiB
Python
241 lines
3.6 KiB
Python
"Test the functionality of Python classes implementing operators."
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from test_support import TestFailed
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testmeths = [
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# Binary operations
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"add",
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"radd",
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"sub",
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"rsub",
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"mul",
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"rmul",
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"div",
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"rdiv",
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"mod",
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"rmod",
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"divmod",
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"rdivmod",
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"pow",
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"rpow",
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"rshift",
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"rrshift",
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"lshift",
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"rlshift",
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"and",
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"rand",
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"or",
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"ror",
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"xor",
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"rxor",
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# List/dict operations
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"contains",
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"getitem",
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"getslice",
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"setitem",
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"setslice",
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"delitem",
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"delslice",
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# Unary operations
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"neg",
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"pos",
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"abs",
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"int",
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"long",
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"float",
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"oct",
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"hex",
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# generic operations
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"init",
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"del",
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]
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# These need to return something other than None
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# "coerce",
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# "hash",
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# "str",
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# "repr",
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# These are separate because they can influence the test of other methods.
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# "getattr",
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# "setattr",
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# "delattr",
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class AllTests:
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def __coerce__(self, *args):
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print "__coerce__:", args
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return (self,) + args
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def __hash__(self, *args):
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print "__hash__:", args
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return hash(id(self))
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def __str__(self, *args):
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print "__str__:", args
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return "AllTests"
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def __repr__(self, *args):
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print "__repr__:", args
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return "AllTests"
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def __cmp__(self, *args):
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print "__cmp__:", args
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return 0
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for method in testmeths:
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exec """def __%(method)s__(self, *args):
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print "__%(method)s__:", args
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"""%locals() in AllTests.__dict__
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# this also tests __init__ of course.
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testme = AllTests()
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# Binary operations
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testme + 1
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1 + testme
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testme - 1
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1 - testme
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testme * 1
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1 * testme
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testme / 1
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1 / testme
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testme % 1
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1 % testme
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divmod(testme,1)
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divmod(1, testme)
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testme ** 1
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1 ** testme
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testme >> 1
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1 >> testme
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testme << 1
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1 << testme
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testme & 1
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1 & testme
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testme | 1
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1 | testme
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testme ^ 1
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1 ^ testme
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# List/dict operations
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1 in testme
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testme[1]
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testme[1] = 1
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del testme[1]
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testme[:42]
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testme[:42] = "The Answer"
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del testme[:42]
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testme[2:1024:10]
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testme[2:1024:10] = "A lot"
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del testme[2:1024:10]
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testme[:42, ..., :24:, 24, 100]
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testme[:42, ..., :24:, 24, 100] = "Strange"
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del testme[:42, ..., :24:, 24, 100]
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# Now remove the slice hooks to see if converting normal slices to slice
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# object works.
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del AllTests.__getslice__
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del AllTests.__setslice__
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del AllTests.__delslice__
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testme[:42]
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testme[:42] = "The Answer"
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del testme[:42]
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# Unary operations
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-testme
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+testme
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abs(testme)
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int(testme)
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long(testme)
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float(testme)
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oct(testme)
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hex(testme)
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# And the rest...
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hash(testme)
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repr(testme)
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str(testme)
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testme == 1
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testme < 1
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testme > 1
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testme <> 1
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testme != 1
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1 == testme
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1 < testme
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1 > testme
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1 <> testme
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1 != testme
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# This test has to be last (duh.)
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del testme
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# Interfering tests
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class ExtraTests:
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def __getattr__(self, *args):
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print "__getattr__:", args
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return "SomeVal"
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def __setattr__(self, *args):
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print "__setattr__:", args
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def __delattr__(self, *args):
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print "__delattr__:", args
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testme = ExtraTests()
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testme.spam
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testme.eggs = "spam, spam, spam and ham"
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del testme.cardinal
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# Test correct errors from hash() on objects with comparisons but no __hash__
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class C0:
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pass
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hash(C0()) # This should work; the next two should raise TypeError
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class C1:
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def __cmp__(self, other): return 0
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try: hash(C1())
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except TypeError: pass
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else: raise TestFailed, "hash(C1()) should raise an exception"
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class C2:
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def __eq__(self, other): return 1
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try: hash(C2())
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except TypeError: pass
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else: raise TestFailed, "hash(C2()) should raise an exception"
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