diff options
Diffstat (limited to 'src/mongo/util/signal_handlers_synchronous_test.cpp')
-rw-r--r-- | src/mongo/util/signal_handlers_synchronous_test.cpp | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/src/mongo/util/signal_handlers_synchronous_test.cpp b/src/mongo/util/signal_handlers_synchronous_test.cpp new file mode 100644 index 00000000000..f4104bafa16 --- /dev/null +++ b/src/mongo/util/signal_handlers_synchronous_test.cpp @@ -0,0 +1,103 @@ +/** + * Copyright (C) 2015 MongoDB Inc. + * + * This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License, version 3, + * as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * As a special exception, the copyright holders give permission to link the + * code of portions of this program with the OpenSSL library under certain + * conditions as described in each individual source file and distribute + * linked combinations including the program with the OpenSSL library. You + * must comply with the GNU Affero General Public License in all respects for + * all of the code used other than as permitted herein. If you modify file(s) + * with this exception, you may extend this exception to your version of the + * file(s), but you are not obligated to do so. If you do not wish to do so, + * delete this exception statement from your version. If you delete this + * exception statement from all source files in the program, then also delete + * it in the license file. + */ + +#define MONGO_LOG_DEFAULT_COMPONENT ::mongo::logger::LogComponent::kDefault + +#include "mongo/platform/basic.h" + +#include <cmath> +#include <cstdlib> +#include <csignal> + +#include "mongo/unittest/unittest.h" +#include "mongo/unittest/death_test.h" +#include "mongo/util/signal_handlers_synchronous.h" + +namespace { +using namespace mongo; + +// Tests of signals that should be ignored raise each signal twice, to ensure that the handler isn't +// reset. +#define IGNORED_SIGNAL(SIGNUM) \ + TEST(IgnoredSignalTest, SIGNUM##_) { \ + ASSERT_EQ(0, raise(SIGNUM)); \ + ASSERT_EQ(0, raise(SIGNUM)); \ + } + +#define FATAL_SIGNAL(SIGNUM) \ + DEATH_TEST(FatalSignalTest, SIGNUM##_, str::stream() << "Got signal: " << SIGNUM << " ") { \ + ASSERT_EQ(0, raise(SIGNUM)); \ + } + +IGNORED_SIGNAL(SIGUSR2) +IGNORED_SIGNAL(SIGHUP) +IGNORED_SIGNAL(SIGPIPE) +FATAL_SIGNAL(SIGQUIT) +FATAL_SIGNAL(SIGABRT) +FATAL_SIGNAL(SIGFPE) +FATAL_SIGNAL(SIGILL) + +#if not defined(__has_feature) +#define __has_feature(X) 0 +#endif + +#if !__has_feature(address_sanitizer) +// These signals trip the leak sanitizer +FATAL_SIGNAL(SIGSEGV) +FATAL_SIGNAL(SIGBUS) +#endif + +DEATH_TEST(FatalTerminateTest, + TerminateIsFatalWithoutException, + "terminate() called. No exception") { + std::terminate(); +} + +DEATH_TEST(FatalTerminateTest, + TerminateIsFatalWithDBException, + " terminate() called. An exception is active") { + try { + uasserted(28720, "Fatal DBException occurrence"); + } catch (...) { + std::terminate(); + } +} + +DEATH_TEST(FatalTerminateTest, + TerminateIsFatalWithDoubleException, + "terminate() called. An exception is active") { + class ThrowInDestructor { + public: + ~ThrowInDestructor() { + uasserted(28721, "Fatal second exception"); + } + } tid; + uasserted(28719, "Non-fatal first exception"); +} + +} // namespace |