The Tor Browser: comparison media/webrtc/trunk/testing/gtest/test/gtest_stress

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+:d99749c959db
+// 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.
+//
+// Author: wan@google.com (Zhanyong Wan)
+// Tests that SCOPED_TRACE() and various Google Test assertions can be
+// used in a large number of threads concurrently.
+#include "gtest/gtest.h"
+#include <iostream>
+#include <vector>
+// We must define this macro in order to #include
+// gtest-internal-inl.h.  This is how Google Test prevents a user from
+// accidentally depending on its internal implementation.
+#define GTEST_IMPLEMENTATION_ 1
+#include "src/gtest-internal-inl.h"
+#undef GTEST_IMPLEMENTATION_
+#if GTEST_IS_THREADSAFE
+namespace testing {
+namespace {
+using internal::Notification;
+using internal::String;
+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;
+String IdToKey(int id, const char* suffix) {
+Message key;
+key << "key_" << id << "_" << suffix;
+return key.GetString();
+}
+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

The Tor Browser / file comparison

comparison: media/webrtc/trunk/testing/gtest/test/gtest_stress_test.cc

media/webrtc/trunk/testing/gtest/test/gtest_stress_test.cc