mirror of https://github.com/oxen-io/lokinet
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
257 lines
9.4 KiB
C++
257 lines
9.4 KiB
C++
// 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::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
|