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#include "base/thread.h"

#include "base/util.h"
#include "testing/base/public/gunit.h"

namespace mozc {
namespace {

class TestThread : public Thread {
 public:
  explicit TestThread(int time) : time_(time), invoked_(false) {}
  virtual ~TestThread() {}

  virtual void Run() {
    invoked_ = true;
    Util::Sleep(time_);
  }

  bool invoked() const {
    return invoked_;
  }
  void clear_invoked() {
    invoked_ = false;
  }

 private:
  int time_;
  bool invoked_;
};

}  // namespace

TEST(ThreadTest, BasicThreadTest) {
  {
    TestThread t(1000);
    t.Start("BasicThreadTest");
    EXPECT_TRUE(t.IsRunning());
    t.Join();
    EXPECT_FALSE(t.IsRunning());
    EXPECT_TRUE(t.invoked());
  }

  {
    TestThread t(1000);
    t.clear_invoked();
    t.Start("BasicThreadTest");

    Util::Sleep(3000);
    EXPECT_FALSE(t.IsRunning());
    EXPECT_TRUE(t.invoked());
    t.Join();
  }

  {
    TestThread t(3000);
    t.Start("BasicThreadTest");
    Util::Sleep(1000);
    t.Terminate();
    Util::Sleep(100);
    EXPECT_FALSE(t.IsRunning());
  }
}

TEST(ThreadTest, RestartTest) {
  {
    TestThread t(1000);
    t.clear_invoked();
    t.Start("RestartTest");
    EXPECT_TRUE(t.IsRunning());
    t.Join();
    EXPECT_TRUE(t.invoked());
    EXPECT_FALSE(t.IsRunning());
    t.clear_invoked();
    t.Start("RestartTest");
    EXPECT_TRUE(t.IsRunning());
    t.Join();
    EXPECT_TRUE(t.invoked());
    EXPECT_FALSE(t.IsRunning());
    t.clear_invoked();
    t.Start("RestartTest");
    EXPECT_TRUE(t.IsRunning());
    t.Join();
    EXPECT_TRUE(t.invoked());
    EXPECT_FALSE(t.IsRunning());
  }
}

}  // namespace mozc