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author | Antoine Pitrou <solipsis@pitrou.net> | 2010-08-13 16:27:38 (GMT) |
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committer | Antoine Pitrou <solipsis@pitrou.net> | 2010-08-13 16:27:38 (GMT) |
commit | 3060c4573ffa4e26deb7d9cbd3a14b8335977075 (patch) | |
tree | cc7d123053a0c50a901f9e490eb168322c2f4317 /Lib/test/test_re.py | |
parent | 6fdb74f0aeb53b755a4573e00947ed16922adb65 (diff) | |
download | cpython-3060c4573ffa4e26deb7d9cbd3a14b8335977075.zip cpython-3060c4573ffa4e26deb7d9cbd3a14b8335977075.tar.gz cpython-3060c4573ffa4e26deb7d9cbd3a14b8335977075.tar.bz2 |
Reapply r83877.
Diffstat (limited to 'Lib/test/test_re.py')
-rw-r--r-- | Lib/test/test_re.py | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/Lib/test/test_re.py b/Lib/test/test_re.py index 6b11685..96a83b8 100644 --- a/Lib/test/test_re.py +++ b/Lib/test/test_re.py @@ -875,70 +875,8 @@ def run_re_tests(): print('=== Fails on unicode-sensitive match', t) -class ReCacheTests(unittest.TestCase): - """These tests are specific to the re._shrink_cache implementation.""" - - def setUp(self): - self._orig_maxcache = re._MAXCACHE - - def tearDown(self): - re._MAXCACHE = self._orig_maxcache - - def test_compile_cache_overflow(self): - # NOTE: If a profiler or debugger is tracing code and compiling - # regular expressions while tracing through this test... expect - # the test to fail. This test is not concurrency safe. - - # Explicitly fill the caches. - re._MAXCACHE = 20 - max_cache = re._MAXCACHE - unique_chars = tuple(chr(char_num) for char_num in - range(b'a'[0], b'a'[0]+max_cache)) - re._cache.clear() - for char in unique_chars: - re._compile(char, 0) - self.assertEqual(max_cache, len(re._cache)) - re._cache_repl.clear() - for char in unique_chars: - re._compile_repl(char*2, char) - self.assertEqual(max_cache, len(re._cache_repl)) - - # Overflow both caches and make sure they have extra room left - # afterwards as well as having more than a single entry. - re._compile('A', 0) - self.assertLess(len(re._cache), max_cache) - self.assertGreater(len(re._cache), 1) - re._compile_repl('A', 'A') - self.assertLess(len(re._cache_repl), max_cache) - self.assertGreater(len(re._cache_repl), 1) - - def test_shrink_cache_at_limit(self): - cache = dict(zip(range(6), range(6))) - re._shrink_cache(cache, 6, divisor=3) - self.assertEqual(4, len(cache)) - - def test_shrink_cache_empty(self): - cache = {} - re._shrink_cache(cache, 6, divisor=3) - # Cache was empty, make sure we didn't raise an exception. - self.assertEqual(0, len(cache)) - - def test_shrink_cache_overflowing(self): - cache = dict(zip(range(6), range(6))) - re._shrink_cache(cache, 4, divisor=2) - # Cache was larger than the maximum, be sure we shrunk to smaller. - self.assertEqual(2, len(cache)) - - def test_shrink_cache_underflow(self): - cache = dict(zip(range(6), range(6))) - # No shrinking to do. - re._shrink_cache(cache, 9, divisor=3) - self.assertEqual(6, len(cache)) - - def test_main(): run_unittest(ReTests) - run_unittest(ReCacheTests) run_re_tests() if __name__ == "__main__": |