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122 lines
3.0 KiB
122 lines
3.0 KiB
4 months ago
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# Python test set -- part 2, opcodes
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from test.test_support import run_unittest, check_py3k_warnings
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import unittest
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class OpcodeTest(unittest.TestCase):
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def test_try_inside_for_loop(self):
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n = 0
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for i in range(10):
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n = n+i
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try: 1 // 0
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except NameError: pass
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except ZeroDivisionError: pass
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except TypeError: pass
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try: pass
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except: pass
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try: pass
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finally: pass
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n = n+i
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if n != 90:
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self.fail('try inside for')
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def test_raise_class_exceptions(self):
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class AClass: pass
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class BClass(AClass): pass
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class CClass: pass
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class DClass(AClass):
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def __init__(self, ignore):
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pass
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try: raise AClass()
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except: pass
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try: raise AClass()
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except AClass: pass
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try: raise BClass()
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except AClass: pass
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try: raise BClass()
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except CClass: self.fail()
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except: pass
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a = AClass()
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b = BClass()
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try: raise AClass, b
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except BClass, v:
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self.assertEqual(v, b)
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else: self.fail("no exception")
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try: raise b
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except AClass, v:
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self.assertEqual(v, b)
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else:
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self.fail("no exception")
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# not enough arguments
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try: raise BClass, a
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except TypeError: pass
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else: self.fail("no exception")
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try: raise DClass, a
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except DClass, v:
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self.assertIsInstance(v, DClass)
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else:
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self.fail("no exception")
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def test_compare_function_objects(self):
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f = eval('lambda: None')
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g = eval('lambda: None')
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self.assertNotEqual(f, g)
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f = eval('lambda a: a')
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g = eval('lambda a: a')
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self.assertNotEqual(f, g)
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f = eval('lambda a=1: a')
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g = eval('lambda a=1: a')
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self.assertNotEqual(f, g)
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f = eval('lambda: 0')
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g = eval('lambda: 1')
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self.assertNotEqual(f, g)
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f = eval('lambda: None')
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g = eval('lambda a: None')
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self.assertNotEqual(f, g)
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f = eval('lambda a: None')
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g = eval('lambda b: None')
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self.assertNotEqual(f, g)
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f = eval('lambda a: None')
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g = eval('lambda a=None: None')
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self.assertNotEqual(f, g)
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f = eval('lambda a=0: None')
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g = eval('lambda a=1: None')
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self.assertNotEqual(f, g)
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def test_modulo_of_string_subclasses(self):
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class MyString(str):
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def __mod__(self, value):
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return 42
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self.assertEqual(MyString() % 3, 42)
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def test_main():
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with check_py3k_warnings(("exceptions must derive from BaseException",
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DeprecationWarning),
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("catching classes that don't inherit "
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"from BaseException is not allowed",
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DeprecationWarning)):
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run_unittest(OpcodeTest)
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if __name__ == '__main__':
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test_main()
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