mirror of https://github.com/python/cpython
89 lines
2.5 KiB
Python
89 lines
2.5 KiB
Python
import unittest
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import types
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from test.support import import_helper
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_testinternalcapi = import_helper.import_module("_testinternalcapi")
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class TestRareEventCounters(unittest.TestCase):
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def setUp(self):
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_testinternalcapi.reset_rare_event_counters()
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def test_set_class(self):
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class A:
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pass
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class B:
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pass
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a = A()
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orig_counter = _testinternalcapi.get_rare_event_counters()["set_class"]
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a.__class__ = B
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self.assertEqual(
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orig_counter + 1,
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_testinternalcapi.get_rare_event_counters()["set_class"]
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)
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def test_set_bases(self):
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class A:
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pass
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class B:
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pass
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class C(B):
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pass
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orig_counter = _testinternalcapi.get_rare_event_counters()["set_bases"]
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C.__bases__ = (A,)
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self.assertEqual(
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orig_counter + 1,
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_testinternalcapi.get_rare_event_counters()["set_bases"]
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)
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def test_set_eval_frame_func(self):
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orig_counter = _testinternalcapi.get_rare_event_counters()["set_eval_frame_func"]
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_testinternalcapi.set_eval_frame_record([])
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self.assertEqual(
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orig_counter + 1,
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_testinternalcapi.get_rare_event_counters()["set_eval_frame_func"]
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)
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_testinternalcapi.set_eval_frame_default()
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def test_builtin_dict(self):
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orig_counter = _testinternalcapi.get_rare_event_counters()["builtin_dict"]
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if isinstance(__builtins__, types.ModuleType):
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builtins = __builtins__.__dict__
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else:
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builtins = __builtins__
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builtins["FOO"] = 42
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self.assertEqual(
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orig_counter + 1,
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_testinternalcapi.get_rare_event_counters()["builtin_dict"]
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)
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del builtins["FOO"]
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def test_func_modification(self):
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def func(x=0):
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pass
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for attribute in (
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"__code__",
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"__defaults__",
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"__kwdefaults__"
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):
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orig_counter = _testinternalcapi.get_rare_event_counters()["func_modification"]
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setattr(func, attribute, getattr(func, attribute))
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self.assertEqual(
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orig_counter + 1,
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_testinternalcapi.get_rare_event_counters()["func_modification"]
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)
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class TestOptimizerSymbols(unittest.TestCase):
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def test_optimizer_symbols(self):
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_testinternalcapi.uop_symbols_test()
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if __name__ == "__main__":
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unittest.main()
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