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// Copyright 2008, 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.
// Test of classes in the tracked_objects.h classes.
#include "base/tracked_objects.h"
#include "base/logging.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace tracked_objects {
class TrackedObjectsTest : public testing::Test {
};
TEST(TrackedObjectsTest, MinimalStartupShutdown) {
// Minimal test doesn't even create any tasks.
if (!ThreadData::StartTracking(true))
return;
EXPECT_FALSE(ThreadData::first()); // No activity even on this thread.
ThreadData* data = ThreadData::current();
EXPECT_TRUE(ThreadData::first()); // Now class was constructed.
EXPECT_TRUE(data);
EXPECT_TRUE(!data->next());
EXPECT_EQ(data, ThreadData::current());
ThreadData::BirthMap birth_map;
data->SnapshotBirthMap(&birth_map);
EXPECT_EQ(0u, birth_map.size());
ThreadData::DeathMap death_map;
data->SnapshotDeathMap(&death_map);
EXPECT_EQ(0u, death_map.size());
ThreadData::ShutdownSingleThreadedCleanup();
// Do it again, just to be sure we reset state completely.
ThreadData::StartTracking(true);
EXPECT_FALSE(ThreadData::first()); // No activity even on this thread.
data = ThreadData::current();
EXPECT_TRUE(ThreadData::first()); // Now class was constructed.
EXPECT_TRUE(data);
EXPECT_TRUE(!data->next());
EXPECT_EQ(data, ThreadData::current());
birth_map.clear();
data->SnapshotBirthMap(&birth_map);
EXPECT_EQ(0u, birth_map.size());
death_map.clear();
data->SnapshotDeathMap(&death_map);
EXPECT_EQ(0u, death_map.size());
ThreadData::ShutdownSingleThreadedCleanup();
}
class NoopTask : public Task {
public:
void Run() {}
};
TEST(TrackedObjectsTest, TinyStartupShutdown) {
if (!ThreadData::StartTracking(true))
return;
// Instigate tracking on a single task, or our thread.
NoopTask task;
const ThreadData* data = ThreadData::first();
EXPECT_TRUE(data);
EXPECT_TRUE(!data->next());
EXPECT_EQ(data, ThreadData::current());
ThreadData::BirthMap birth_map;
data->SnapshotBirthMap(&birth_map);
EXPECT_EQ(1u, birth_map.size()); // 1 birth location.
EXPECT_EQ(1, birth_map.begin()->second->birth_count()); // 1 birth.
ThreadData::DeathMap death_map;
data->SnapshotDeathMap(&death_map);
EXPECT_EQ(0u, death_map.size()); // No deaths.
// Now instigate a birth, and a death.
delete new NoopTask;
birth_map.clear();
data->SnapshotBirthMap(&birth_map);
EXPECT_EQ(1u, birth_map.size()); // 1 birth location.
EXPECT_EQ(2, birth_map.begin()->second->birth_count()); // 2 births.
death_map.clear();
data->SnapshotDeathMap(&death_map);
EXPECT_EQ(1u, death_map.size()); // 1 location.
EXPECT_EQ(1, death_map.begin()->second.count()); // 1 death.
// The births were at the same location as the one known death.
EXPECT_EQ(birth_map.begin()->second, death_map.begin()->first);
ThreadData::ShutdownSingleThreadedCleanup();
}
} // namespace tracked_objects
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