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author | Jeremy Hylton <jeremy@alum.mit.edu> | 2003-06-27 17:40:16 (GMT) |
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committer | Jeremy Hylton <jeremy@alum.mit.edu> | 2003-06-27 17:40:16 (GMT) |
commit | 7ff55e6bc548495ea8045194325c0226bf725359 (patch) | |
tree | 62a89af21954d9ebfc5c16c0f6282170378de169 | |
parent | 3e3159ce6ac6dc27d17b99ba758c1322a67427bb (diff) | |
download | cpython-7ff55e6bc548495ea8045194325c0226bf725359.zip cpython-7ff55e6bc548495ea8045194325c0226bf725359.tar.gz cpython-7ff55e6bc548495ea8045194325c0226bf725359.tar.bz2 |
Add tests for __nonzero__() problems.
-rw-r--r-- | Lib/test/test_bool.py | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/Lib/test/test_bool.py b/Lib/test/test_bool.py index dd18d84..f2a4322 100644 --- a/Lib/test/test_bool.py +++ b/Lib/test/test_bool.py @@ -320,6 +320,27 @@ class BoolTest(unittest.TestCase): self.assertEqual(cPickle.dumps(True, True), "I01\n.") self.assertEqual(cPickle.dumps(False, True), "I00\n.") + def test_convert_to_bool(self): + # Verify that TypeError occurs when bad things are returned + # from __nonzero__(). This isn't really a bool test, but + # it's related. + check = lambda o: self.assertRaises(TypeError, bool, o) + class Foo(object): + def __nonzero__(self): + return self + check(Foo()) + + class Bar(object): + def __nonzero__(self): + return "Yes" + check(Bar()) + + class Baz(int): + def __nonzero__(self): + return self + check(Baz()) + + def test_main(): test_support.run_unittest(BoolTest) |