diff options
Diffstat (limited to 'Lib')
| -rw-r--r-- | Lib/test/test_descr.py | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Lib/test/test_descr.py b/Lib/test/test_descr.py index 8d8c276..ab55952 100644 --- a/Lib/test/test_descr.py +++ b/Lib/test/test_descr.py @@ -2897,6 +2897,27 @@ def dictproxyiteritems(): keys.sort() vereq(keys, ['__dict__', '__doc__', '__module__', '__weakref__', 'meth']) +def funnynew(): + if verbose: print "Testing __new__ returning something unexpected..." + class C(object): + def __new__(cls, arg): + if isinstance(arg, str): return [1, 2, 3] + elif isinstance(arg, int): return object.__new__(D) + else: return object.__new__(cls) + class D(C): + def __init__(self, arg): + self.foo = arg + vereq(C("1"), [1, 2, 3]) + vereq(D("1"), [1, 2, 3]) + d = D(None) + veris(d.foo, None) + d = C(1) + vereq(isinstance(d, D), True) + vereq(d.foo, 1) + d = D(1) + vereq(isinstance(d, D), True) + vereq(d.foo, 1) + def test_main(): class_docstrings() lists() @@ -2959,6 +2980,7 @@ def test_main(): dictproxyitervalues() dictproxyiteritems() pickleslots() + funnynew() if verbose: print "All OK" if __name__ == "__main__": |