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Issue 23314: SuppressCrashReports now disables CRT assertions

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SuppressCrashReports should be used in test subprocesses that test invalid conditions.
This commit is contained in:
Steve Dower 2015-02-23 07:56:13 -08:00
parent 7caa615fb0
commit c55a316cff
2 changed files with 45 additions and 16 deletions
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27
Lib/test/support/__init__.py
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@ -2151,6 +2151,7 @@ class SuppressCrashReport:
disable the creation of coredump file.
"""
old_value = None
old_modes = None
def __enter__(self):
"""On Windows, disable Windows Error Reporting dialogs using
@ -2168,6 +2169,26 @@ class SuppressCrashReport:
SEM_NOGPFAULTERRORBOX = 0x02
self.old_value = self._k32.SetErrorMode(SEM_NOGPFAULTERRORBOX)
self._k32.SetErrorMode(self.old_value | SEM_NOGPFAULTERRORBOX)
# Suppress assert dialogs in debug builds
# (see http://bugs.python.org/issue23314)
try:
import msvcrt
msvcrt.CrtSetReportMode
except (AttributeError, ImportError):
# no msvcrt or a release build
pass
else:
self.old_modes = {}
for report_type in [msvcrt.CRT_WARN,
msvcrt.CRT_ERROR,
msvcrt.CRT_ASSERT]:
old_mode = msvcrt.CrtSetReportMode(report_type,
msvcrt.CRTDBG_MODE_FILE)
old_file = msvcrt.CrtSetReportFile(report_type,
msvcrt.CRTDBG_FILE_STDERR)
self.old_modes[report_type] = old_mode, old_file
else:
if resource is not None:
try:
@ -2199,6 +2220,12 @@ class SuppressCrashReport:
if sys.platform.startswith('win'):
self._k32.SetErrorMode(self.old_value)
if self.old_modes:
import msvcrt
for report_type, (old_mode, old_file) in self.old_modes.items():
msvcrt.CrtSetReportMode(report_type, old_mode)
msvcrt.CrtSetReportFile(report_type, old_file)
else:
if resource is not None:
try: