diff options
Diffstat (limited to 'Lib/test/test_marshal.py')
-rw-r--r-- | Lib/test/test_marshal.py | 61 |
1 files changed, 54 insertions, 7 deletions
diff --git a/Lib/test/test_marshal.py b/Lib/test/test_marshal.py index 83c348c..230697e 100644 --- a/Lib/test/test_marshal.py +++ b/Lib/test/test_marshal.py @@ -279,16 +279,63 @@ class BugsTestCase(unittest.TestCase): unicode_string = 'T' self.assertRaises(TypeError, marshal.loads, unicode_string) +LARGE_SIZE = 2**31 +character_size = 4 if sys.maxunicode > 0xFFFF else 2 +pointer_size = 8 if sys.maxsize > 0xFFFFFFFF else 4 + +class NullWriter: + def write(self, s): + pass + +@unittest.skipIf(LARGE_SIZE > sys.maxsize, "test cannot run on 32-bit systems") +class LargeValuesTestCase(unittest.TestCase): + def check_unmarshallable(self, data): + self.assertRaises(ValueError, marshal.dump, data, NullWriter()) + + @support.bigmemtest(size=LARGE_SIZE, memuse=1, dry_run=False) + def test_bytes(self, size): + self.check_unmarshallable(b'x' * size) + + @support.bigmemtest(size=LARGE_SIZE, memuse=character_size, dry_run=False) + def test_str(self, size): + self.check_unmarshallable('x' * size) + + @support.bigmemtest(size=LARGE_SIZE, memuse=pointer_size, dry_run=False) + def test_tuple(self, size): + self.check_unmarshallable((None,) * size) + + @support.bigmemtest(size=LARGE_SIZE, memuse=pointer_size, dry_run=False) + def test_list(self, size): + self.check_unmarshallable([None] * size) + + @support.bigmemtest(size=LARGE_SIZE, + memuse=pointer_size*12 + sys.getsizeof(LARGE_SIZE-1), + dry_run=False) + def test_set(self, size): + self.check_unmarshallable(set(range(size))) + + @support.bigmemtest(size=LARGE_SIZE, + memuse=pointer_size*12 + sys.getsizeof(LARGE_SIZE-1), + dry_run=False) + def test_frozenset(self, size): + self.check_unmarshallable(frozenset(range(size))) + + @support.bigmemtest(size=LARGE_SIZE, memuse=1, dry_run=False) + def test_bytearray(self, size): + self.check_unmarshallable(bytearray(size)) + def test_main(): support.run_unittest(IntTestCase, - FloatTestCase, - StringTestCase, - CodeTestCase, - ContainerTestCase, - ExceptionTestCase, - BufferTestCase, - BugsTestCase) + FloatTestCase, + StringTestCase, + CodeTestCase, + ContainerTestCase, + ExceptionTestCase, + BufferTestCase, + BugsTestCase, + LargeValuesTestCase, + ) if __name__ == "__main__": test_main() |