--- /dev/null
+// Copyright 2007, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+// Tests that SCOPED_TRACE() and various Google Test assertions can be
+// used in a large number of threads concurrently.
+
+#include "gtest/gtest.h"
+
+#include <vector>
+
+#include "src/gtest-internal-inl.h"
+
+#if GTEST_IS_THREADSAFE
+
+namespace testing {
+namespace {
+
+using internal::Notification;
+using internal::TestPropertyKeyIs;
+using internal::ThreadWithParam;
+using internal::scoped_ptr;
+
+// In order to run tests in this file, for platforms where Google Test is
+// thread safe, implement ThreadWithParam. See the description of its API
+// in gtest-port.h, where it is defined for already supported platforms.
+
+// How many threads to create?
+const int kThreadCount = 50;
+
+std::string IdToKey(int id, const char* suffix) {
+ Message key;
+ key << "key_" << id << "_" << suffix;
+ return key.GetString();
+}
+
+std::string IdToString(int id) {
+ Message id_message;
+ id_message << id;
+ return id_message.GetString();
+}
+
+void ExpectKeyAndValueWereRecordedForId(
+ const std::vector<TestProperty>& properties,
+ int id, const char* suffix) {
+ TestPropertyKeyIs matches_key(IdToKey(id, suffix).c_str());
+ const std::vector<TestProperty>::const_iterator property =
+ std::find_if(properties.begin(), properties.end(), matches_key);
+ ASSERT_TRUE(property != properties.end())
+ << "expecting " << suffix << " value for id " << id;
+ EXPECT_STREQ(IdToString(id).c_str(), property->value());
+}
+
+// Calls a large number of Google Test assertions, where exactly one of them
+// will fail.
+void ManyAsserts(int id) {
+ GTEST_LOG_(INFO) << "Thread #" << id << " running...";
+
+ SCOPED_TRACE(Message() << "Thread #" << id);
+
+ for (int i = 0; i < kThreadCount; i++) {
+ SCOPED_TRACE(Message() << "Iteration #" << i);
+
+ // A bunch of assertions that should succeed.
+ EXPECT_TRUE(true);
+ ASSERT_FALSE(false) << "This shouldn't fail.";
+ EXPECT_STREQ("a", "a");
+ ASSERT_LE(5, 6);
+ EXPECT_EQ(i, i) << "This shouldn't fail.";
+
+ // RecordProperty() should interact safely with other threads as well.
+ // The shared_key forces property updates.
+ Test::RecordProperty(IdToKey(id, "string").c_str(), IdToString(id).c_str());
+ Test::RecordProperty(IdToKey(id, "int").c_str(), id);
+ Test::RecordProperty("shared_key", IdToString(id).c_str());
+
+ // This assertion should fail kThreadCount times per thread. It
+ // is for testing whether Google Test can handle failed assertions in a
+ // multi-threaded context.
+ EXPECT_LT(i, 0) << "This should always fail.";
+ }
+}
+
+void CheckTestFailureCount(int expected_failures) {
+ const TestInfo* const info = UnitTest::GetInstance()->current_test_info();
+ const TestResult* const result = info->result();
+ GTEST_CHECK_(expected_failures == result->total_part_count())
+ << "Logged " << result->total_part_count() << " failures "
+ << " vs. " << expected_failures << " expected";
+}
+
+// Tests using SCOPED_TRACE() and Google Test assertions in many threads
+// concurrently.
+TEST(StressTest, CanUseScopedTraceAndAssertionsInManyThreads) {
+ {
+ scoped_ptr<ThreadWithParam<int> > threads[kThreadCount];
+ Notification threads_can_start;
+ for (int i = 0; i != kThreadCount; i++)
+ threads[i].reset(new ThreadWithParam<int>(&ManyAsserts,
+ i,
+ &threads_can_start));
+
+ threads_can_start.Notify();
+
+ // Blocks until all the threads are done.
+ for (int i = 0; i != kThreadCount; i++)
+ threads[i]->Join();
+ }
+
+ // Ensures that kThreadCount*kThreadCount failures have been reported.
+ const TestInfo* const info = UnitTest::GetInstance()->current_test_info();
+ const TestResult* const result = info->result();
+
+ std::vector<TestProperty> properties;
+ // We have no access to the TestResult's list of properties but we can
+ // copy them one by one.
+ for (int i = 0; i < result->test_property_count(); ++i)
+ properties.push_back(result->GetTestProperty(i));
+
+ EXPECT_EQ(kThreadCount * 2 + 1, result->test_property_count())
+ << "String and int values recorded on each thread, "
+ << "as well as one shared_key";
+ for (int i = 0; i < kThreadCount; ++i) {
+ ExpectKeyAndValueWereRecordedForId(properties, i, "string");
+ ExpectKeyAndValueWereRecordedForId(properties, i, "int");
+ }
+ CheckTestFailureCount(kThreadCount*kThreadCount);
+}
+
+void FailingThread(bool is_fatal) {
+ if (is_fatal)
+ FAIL() << "Fatal failure in some other thread. "
+ << "(This failure is expected.)";
+ else
+ ADD_FAILURE() << "Non-fatal failure in some other thread. "
+ << "(This failure is expected.)";
+}
+
+void GenerateFatalFailureInAnotherThread(bool is_fatal) {
+ ThreadWithParam<bool> thread(&FailingThread, is_fatal, NULL);
+ thread.Join();
+}
+
+TEST(NoFatalFailureTest, ExpectNoFatalFailureIgnoresFailuresInOtherThreads) {
+ EXPECT_NO_FATAL_FAILURE(GenerateFatalFailureInAnotherThread(true));
+ // We should only have one failure (the one from
+ // GenerateFatalFailureInAnotherThread()), since the EXPECT_NO_FATAL_FAILURE
+ // should succeed.
+ CheckTestFailureCount(1);
+}
+
+void AssertNoFatalFailureIgnoresFailuresInOtherThreads() {
+ ASSERT_NO_FATAL_FAILURE(GenerateFatalFailureInAnotherThread(true));
+}
+TEST(NoFatalFailureTest, AssertNoFatalFailureIgnoresFailuresInOtherThreads) {
+ // Using a subroutine, to make sure, that the test continues.
+ AssertNoFatalFailureIgnoresFailuresInOtherThreads();
+ // We should only have one failure (the one from
+ // GenerateFatalFailureInAnotherThread()), since the EXPECT_NO_FATAL_FAILURE
+ // should succeed.
+ CheckTestFailureCount(1);
+}
+
+TEST(FatalFailureTest, ExpectFatalFailureIgnoresFailuresInOtherThreads) {
+ // This statement should fail, since the current thread doesn't generate a
+ // fatal failure, only another one does.
+ EXPECT_FATAL_FAILURE(GenerateFatalFailureInAnotherThread(true), "expected");
+ CheckTestFailureCount(2);
+}
+
+TEST(FatalFailureOnAllThreadsTest, ExpectFatalFailureOnAllThreads) {
+ // This statement should succeed, because failures in all threads are
+ // considered.
+ EXPECT_FATAL_FAILURE_ON_ALL_THREADS(
+ GenerateFatalFailureInAnotherThread(true), "expected");
+ CheckTestFailureCount(0);
+ // We need to add a failure, because main() checks that there are failures.
+ // But when only this test is run, we shouldn't have any failures.
+ ADD_FAILURE() << "This is an expected non-fatal failure.";
+}
+
+TEST(NonFatalFailureTest, ExpectNonFatalFailureIgnoresFailuresInOtherThreads) {
+ // This statement should fail, since the current thread doesn't generate a
+ // fatal failure, only another one does.
+ EXPECT_NONFATAL_FAILURE(GenerateFatalFailureInAnotherThread(false),
+ "expected");
+ CheckTestFailureCount(2);
+}
+
+TEST(NonFatalFailureOnAllThreadsTest, ExpectNonFatalFailureOnAllThreads) {
+ // This statement should succeed, because failures in all threads are
+ // considered.
+ EXPECT_NONFATAL_FAILURE_ON_ALL_THREADS(
+ GenerateFatalFailureInAnotherThread(false), "expected");
+ CheckTestFailureCount(0);
+ // We need to add a failure, because main() checks that there are failures,
+ // But when only this test is run, we shouldn't have any failures.
+ ADD_FAILURE() << "This is an expected non-fatal failure.";
+}
+
+} // namespace
+} // namespace testing
+
+int main(int argc, char **argv) {
+ testing::InitGoogleTest(&argc, argv);
+
+ const int result = RUN_ALL_TESTS(); // Expected to fail.
+ GTEST_CHECK_(result == 1) << "RUN_ALL_TESTS() did not fail as expected";
+
+ printf("\nPASS\n");
+ return 0;
+}
+
+#else
+TEST(StressTest,
+ DISABLED_ThreadSafetyTestsAreSkippedWhenGoogleTestIsNotThreadSafe) {
+}
+
+int main(int argc, char **argv) {
+ testing::InitGoogleTest(&argc, argv);
+ return RUN_ALL_TESTS();
+}
+#endif // GTEST_IS_THREADSAFE
Code Review / ric-plt / sdl.git / blobdiff