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63 lines
2.2 KiB
Python
63 lines
2.2 KiB
Python
#coding:utf-8
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"""
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ID: issue-6672
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ISSUE: 6672
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TITLE: gfix cannot set big value for buffers
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DESCRIPTION:
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New database must be created in THIS code rather than "outside" (in fbtest) for reproducing bug.
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Confirmed bug on 4.0.0.2225.
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::: NB :::
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On build 4.0.0.2225 attempt to change buffers via gfix failed when value was >= 524337 for DB with page_size=8192.
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Perhaps this was related to allocating memory more than 2Gb plus small addition (exact value: 2.00018692 Gb).
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Ouput of gfix in this case contained:
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=======
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I/O error during "ReadFile" operation for file "C:\\FBTESTING\\QA\\FBT-REPO\\TMP\\TMP_GFIX_6437.FDB"
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-Error while trying to read from file
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-Invalid attempt to access memory address << localized message!
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=======
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Test creates database with page size = 8192 and tries to run 'gfix -buffers 524337', with further checking that:
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* output of gfix is empty;
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* page buffers has been changed and equals to this new value.
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DO NOT change this value to some "really too big" value otherwise it will fail with "unable to allocate memory"!
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JIRA: CORE-6437
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FBTEST: bugs.core_6437
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NOTES:
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[08.10.2022] pzotov
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4.0.1.2692
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Fails on CentOS-7.9.2009 "with unable to allocate memory from operating system"
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Decided to restrict execution on Windows only.
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"""
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import platform
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import pytest
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from pathlib import Path
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from firebird.qa import *
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db = db_factory()
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act = python_act('db', substitutions=[('^((?!(File|file|Page buffers)|(Page size)).)*$', ''),
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('[\t ]+', ' ')])
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expected_stdout = """
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Page size 8192
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Page buffers 524337
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"""
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test_db = temp_file('tmp_gfix_6437.fdb')
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@pytest.mark.skipif(platform.system() != 'Windows', reason='FIXME: see notes')
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@pytest.mark.version('>=3.0.8')
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def test_1(act: Action, test_db: Path):
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act.isql(switches=['-q'], connect_db=False,
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input=f"create database '{test_db}' page_size 8192;")
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#
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act.reset()
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act.gfix(switches=[str(test_db), '-buffers', '524337'])
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act.reset()
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#
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act.expected_stdout = expected_stdout
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act.gstat(switches=['-h', str(test_db)], connect_db=False)
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assert act.clean_stdout == act.clean_expected_stdout
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