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cd1d773a40
The exception swallower server’s design and interface are both
considerably simpler when the server runs in a thread in the parent test
process, as opposed to a separate process. The only caveat is that this
results in calls to fork() while threaded. Uses of gtest
{ASSERT,EXPECT}_DEATH with the default “fast” gtest death test style
result in this warning:
[WARNING] ../../third_party/gtest/gtest/googletest/src/gtest-death-test.cc:836:: Death tests use fork(), which is unsafe particularly in a threaded context. For this test, Google Test detected 2 threads.
Bug: crashpad:33
Change-Id: Ib8f418064ea4ab942859c3393cb15cf71365614d
Reviewed-on: https://chromium-review.googlesource.com/779481
Commit-Queue: Mark Mentovai <mark@chromium.org>
Reviewed-by: Robert Sesek <rsesek@chromium.org>
122 lines
5.2 KiB
C
122 lines
5.2 KiB
C
// Copyright 2015 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef CRASHPAD_TEST_GTEST_DEATH_H_
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#define CRASHPAD_TEST_GTEST_DEATH_H_
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#include "base/logging.h"
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#include "build/build_config.h"
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#include "gtest/gtest.h"
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#if defined(OS_MACOSX)
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#include "test/mac/exception_swallower.h"
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#endif
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//! \file
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#if defined(OS_MACOSX) || DOXYGEN
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//! \brief Wraps the gtest `ASSERT_DEATH()` macro to make assertions about death
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//! caused by crashes.
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//!
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//! On macOS, this macro prevents the system’s crash reporter from handling
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//! crashes that occur in \a statement. Crashes are normally visible to the
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//! system’s crash reporter, but it is undesirable for intentional
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//! ASSERT_DEATH_CRASH() crashes to be handled by any crash reporter.
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//!
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//! \sa ASSERT_DEATH_CHECK()
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//! \sa EXPECT_DEATH_CRASH()
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#define ASSERT_DEATH_CRASH(statement, regex) \
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do { \
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crashpad::test::ExceptionSwallower exception_swallower; \
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ASSERT_DEATH(crashpad::test::ExceptionSwallower::SwallowExceptions(); \
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{ statement; }, \
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regex); \
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} while (false)
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//! \brief Wraps the gtest `EXPECT_DEATH()` macro to make assertions about death
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//! caused by crashes.
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//!
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//! On macOS, this macro prevents the system’s crash reporter from handling
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//! crashes that occur in \a statement. Crashes are normally visible to the
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//! system’s crash reporter, but it is undesirable for intentional
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//! EXPECT_DEATH_CRASH() crashes to be handled by any crash reporter.
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//!
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//! \sa EXPECT_DEATH_CHECK()
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//! \sa ASSERT_DEATH_CRASH()
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#define EXPECT_DEATH_CRASH(statement, regex) \
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do { \
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crashpad::test::ExceptionSwallower exception_swallower; \
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EXPECT_DEATH(crashpad::test::ExceptionSwallower::SwallowExceptions(); \
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{ statement; }, \
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regex); \
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} while (false)
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#else // OS_MACOSX
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#define ASSERT_DEATH_CRASH(statement, regex) ASSERT_DEATH(statement, regex)
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#define EXPECT_DEATH_CRASH(statement, regex) EXPECT_DEATH(statement, regex)
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#endif // OS_MACOSX
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#if !(!defined(MINI_CHROMIUM_BASE_LOGGING_H_) && \
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defined(OFFICIAL_BUILD) && \
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defined(NDEBUG)) || \
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DOXYGEN
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//! \brief Wraps the ASSERT_DEATH_CRASH() macro to make assertions about death
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//! caused by `CHECK()` failures.
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//!
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//! In an in-Chromium build in the official configuration, `CHECK()` does not
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//! print its condition or streamed messages. In that case, this macro uses an
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//! empty \a regex pattern when calling ASSERT_DEATH_CRASH() to avoid looking
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//! for any particular output on the standard error stream. In other build
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//! configurations, the \a regex pattern is left intact.
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//!
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//! `CHECK()` failures normally show up as crashes to the system’s crash
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//! reporter, but it is undesirable for intentional ASSERT_DEATH_CHECK() crashes
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//! to be handled by any crash reporter, so this is implemented in terms of
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//! ASSERT_DEATH_CRASH() instead of `ASSERT_DEATH()`.
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//!
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//! \sa EXPECT_DEATH_CHECK()
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#define ASSERT_DEATH_CHECK(statement, regex) \
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ASSERT_DEATH_CRASH(statement, regex)
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//! \brief Wraps the EXPECT_DEATH_CRASH() macro to make assertions about death
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//! caused by `CHECK()` failures.
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//!
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//! In an in-Chromium build in the official configuration, `CHECK()` does not
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//! print its condition or streamed messages. In that case, this macro uses an
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//! empty \a regex pattern when calling EXPECT_DEATH_CRASH() to avoid looking
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//! for any particular output on the standard error stream. In other build
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//! configurations, the \a regex pattern is left intact.
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//!
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//! `CHECK()` failures normally show up as crashes to the system’s crash
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//! reporter, but it is undesirable for intentional EXPECT_DEATH_CHECK() crashes
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//! to be handled by any crash reporter, so this is implemented in terms of
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//! EXPECT_DEATH_CRASH() instead of `EXPECT_DEATH()`.
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//!
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//! \sa ASSERT_DEATH_CHECK()
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#define EXPECT_DEATH_CHECK(statement, regex) \
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EXPECT_DEATH_CRASH(statement, regex)
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#else // !(!MINI_CHROMIUM_BASE_LOGGING_H_ && OFFICIAL_BUILD && NDEBUG)
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#define ASSERT_DEATH_CHECK(statement, regex) ASSERT_DEATH_CRASH(statement, "")
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#define EXPECT_DEATH_CHECK(statement, regex) EXPECT_DEATH_CRASH(statement, "")
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#endif // !(!MINI_CHROMIUM_BASE_LOGGING_H_ && OFFICIAL_BUILD && NDEBUG)
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#endif // CRASHPAD_TEST_GTEST_DEATH_H_
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