[New-bugs-announce] [issue28056] sizeof unit tests fail on ARMv7
STINNER Victor
report at bugs.python.org
Sat Sep 10 00:25:14 EDT 2016
New submission from STINNER Victor:
Hum, I used "+ 8" to add the new 64-bit version tag of dictionaries. But I didn't use struct.calcsize() to compute it, so there is maybe an aliasing/padding issue.
http://buildbot.python.org/all/builders/ARMv7%20Ubuntu%203.x/builds/4815/steps/test/logs/stdio
======================================================================
FAIL: test_objecttypes (test.test_sys.SizeofTest)
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Traceback (most recent call last):
File "/ssd/buildbot/buildarea/3.x.gps-ubuntu-exynos5-armv7l/build/Lib/test/test_sys.py", line 940, in test_objecttypes
check({}, size('n2P') + 8 + calcsize('2nP2n') + 8 + (8*2//3)*calcsize('n2P'))
File "/ssd/buildbot/buildarea/3.x.gps-ubuntu-exynos5-armv7l/build/Lib/test/support/__init__.py", line 1510, in check_sizeof
test.assertEqual(result, size, msg)
AssertionError: 144 != 140 : wrong size for <class 'dict'>: got 144, expected 140
======================================================================
FAIL: test_sizeof_exact (test.test_ordered_dict.CPythonOrderedDictSubclassTests)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/ssd/buildbot/buildarea/3.x.gps-ubuntu-exynos5-armv7l/build/Lib/test/test_ordered_dict.py", line 677, in test_sizeof_exact
check(od, basicsize + 8*p + 8 + 5*entrysize) # 8byte indicies + 8*2//3 * entry table
File "/ssd/buildbot/buildarea/3.x.gps-ubuntu-exynos5-armv7l/build/Lib/test/support/__init__.py", line 1510, in check_sizeof
test.assertEqual(result, size, msg)
AssertionError: 208 != 204 : wrong size for <class 'test.test_ordered_dict.CPythonOrderedDictSubclassTests.OrderedDict'>: got 208, expected 204
======================================================================
FAIL: test_sizeof_exact (test.test_ordered_dict.CPythonOrderedDictTests)
----------------------------------------------------------------------
Traceback (most recent call last):
File "/ssd/buildbot/buildarea/3.x.gps-ubuntu-exynos5-armv7l/build/Lib/test/test_ordered_dict.py", line 677, in test_sizeof_exact
check(od, basicsize + 8*p + 8 + 5*entrysize) # 8byte indicies + 8*2//3 * entry table
File "/ssd/buildbot/buildarea/3.x.gps-ubuntu-exynos5-armv7l/build/Lib/test/support/__init__.py", line 1510, in check_sizeof
test.assertEqual(result, size, msg)
AssertionError: 208 != 204 : wrong size for <class 'collections.OrderedDict'>: got 208, expected 204
----------
messages: 275562
nosy: haypo
priority: normal
severity: normal
status: open
title: sizeof unit tests fail on ARMv7
versions: Python 3.6
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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue28056>
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