| // 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. |
| |
| #include "base/lock.h" |
| #include "base/message_loop.h" |
| #include "base/string_util.h" |
| #include "base/thread.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace { |
| |
| class ToggleValue : public Task { |
| public: |
| explicit ToggleValue(bool* value) : value_(value) { |
| } |
| virtual void Run() { |
| *value_ = !*value_; |
| } |
| private: |
| bool* value_; |
| }; |
| |
| class SleepSome : public Task { |
| public: |
| explicit SleepSome(int msec) : msec_(msec) { |
| } |
| virtual void Run() { |
| PlatformThread::Sleep(msec_); |
| } |
| private: |
| int msec_; |
| }; |
| |
| } // namespace |
| |
| TEST(ThreadTest, Restart) { |
| Thread a("Restart"); |
| a.Stop(); |
| EXPECT_FALSE(a.message_loop()); |
| EXPECT_TRUE(a.Start()); |
| EXPECT_TRUE(a.message_loop()); |
| a.Stop(); |
| EXPECT_FALSE(a.message_loop()); |
| EXPECT_TRUE(a.Start()); |
| EXPECT_TRUE(a.message_loop()); |
| a.Stop(); |
| EXPECT_FALSE(a.message_loop()); |
| a.Stop(); |
| EXPECT_FALSE(a.message_loop()); |
| } |
| |
| TEST(ThreadTest, StartWithStackSize) { |
| Thread a("StartWithStackSize"); |
| // Ensure that the thread can work with only 12 kb and still process a |
| // message. |
| EXPECT_TRUE(a.StartWithStackSize(12*1024)); |
| EXPECT_TRUE(a.message_loop()); |
| |
| bool was_invoked = false; |
| a.message_loop()->PostTask(FROM_HERE, new ToggleValue(&was_invoked)); |
| |
| // wait for the task to run (we could use a kernel event here |
| // instead to avoid busy waiting, but this is sufficient for |
| // testing purposes). |
| for (int i = 100; i >= 0 && !was_invoked; --i) { |
| PlatformThread::Sleep(10); |
| } |
| EXPECT_TRUE(was_invoked); |
| } |
| |
| TEST(ThreadTest, TwoTasks) { |
| bool was_invoked = false; |
| { |
| Thread a("TwoTasks"); |
| EXPECT_TRUE(a.Start()); |
| EXPECT_TRUE(a.message_loop()); |
| |
| // Test that all events are dispatched before the Thread object is |
| // destroyed. We do this by dispatching a sleep event before the |
| // event that will toggle our sentinel value. |
| a.message_loop()->PostTask(FROM_HERE, new SleepSome(20)); |
| a.message_loop()->PostTask(FROM_HERE, new ToggleValue(&was_invoked)); |
| } |
| EXPECT_TRUE(was_invoked); |
| } |
| |
| TEST(ThreadTest, StopSoon) { |
| Thread a("StopSoon"); |
| EXPECT_TRUE(a.Start()); |
| EXPECT_TRUE(a.message_loop()); |
| a.StopSoon(); |
| EXPECT_FALSE(a.message_loop()); |
| a.StopSoon(); |
| EXPECT_FALSE(a.message_loop()); |
| } |
| |
| TEST(ThreadTest, ThreadName) { |
| Thread a("ThreadName"); |
| EXPECT_TRUE(a.Start()); |
| EXPECT_EQ("ThreadName", a.thread_name()); |
| } |