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| author | Barry Warsaw <barry@python.org> | 2012-07-29 20:40:04 (GMT) |
|---|---|---|
| committer | Barry Warsaw <barry@python.org> | 2012-07-29 20:40:04 (GMT) |
| commit | dee609c09fb9a09d5e341e2f5975150016f85f00 (patch) | |
| tree | d2bed8f6bc932a2b4a6787827cb38cadbe92deba /Lib/test/test_struct.py | |
| parent | dde56f4aa321edb293f64f0dfc519ef48b3dfece (diff) | |
| parent | a264384fe6de357680ca0cf02cd6024bbba0ba45 (diff) | |
| download | cpython-dee609c09fb9a09d5e341e2f5975150016f85f00.zip cpython-dee609c09fb9a09d5e341e2f5975150016f85f00.tar.gz cpython-dee609c09fb9a09d5e341e2f5975150016f85f00.tar.bz2 | |
merged
Diffstat (limited to 'Lib/test/test_struct.py')
| -rw-r--r-- | Lib/test/test_struct.py | 33 |
1 files changed, 22 insertions, 11 deletions
diff --git a/Lib/test/test_struct.py b/Lib/test/test_struct.py index 53c0875..22374d2 100644 --- a/Lib/test/test_struct.py +++ b/Lib/test/test_struct.py @@ -3,7 +3,7 @@ import unittest import struct import sys -from test.support import run_unittest +from test import support ISBIGENDIAN = sys.byteorder == "big" IS32BIT = sys.maxsize == 0x7fffffff @@ -572,18 +572,29 @@ class StructTest(unittest.TestCase): s = struct.Struct('i') s.__init__('ii') - def test_sizeof(self): - self.assertGreater(sys.getsizeof(struct.Struct('BHILfdspP')), - sys.getsizeof(struct.Struct('B'))) - self.assertGreater(sys.getsizeof(struct.Struct('123B')), - sys.getsizeof(struct.Struct('B'))) - self.assertGreater(sys.getsizeof(struct.Struct('B' * 1234)), - sys.getsizeof(struct.Struct('123B'))) - self.assertGreater(sys.getsizeof(struct.Struct('1234B')), - sys.getsizeof(struct.Struct('123B'))) + def check_sizeof(self, format_str, number_of_codes): + # The size of 'PyStructObject' + totalsize = support.calcobjsize('2n3P') + # The size taken up by the 'formatcode' dynamic array + totalsize += struct.calcsize('P2n0P') * (number_of_codes + 1) + support.check_sizeof(self, struct.Struct(format_str), totalsize) + + @support.cpython_only + def test__sizeof__(self): + for code in integer_codes: + self.check_sizeof(code, 1) + self.check_sizeof('BHILfdspP', 9) + self.check_sizeof('B' * 1234, 1234) + self.check_sizeof('fd', 2) + self.check_sizeof('xxxxxxxxxxxxxx', 0) + self.check_sizeof('100H', 100) + self.check_sizeof('187s', 1) + self.check_sizeof('20p', 1) + self.check_sizeof('0s', 1) + self.check_sizeof('0c', 0) def test_main(): - run_unittest(StructTest) + support.run_unittest(StructTest) if __name__ == '__main__': test_main() |