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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.

#include "base/time.h"
#include "base/waitable_event.h"
#include "testing/gtest/include/gtest/gtest.h"

using base::WaitableEvent;

namespace {
typedef testing::Test WaitableEventTest;
}

TEST(WaitableEventTest, ManualBasics) {
  WaitableEvent event(true, false);

  EXPECT_FALSE(event.IsSignaled());

  event.Signal();
  EXPECT_TRUE(event.IsSignaled());
  EXPECT_TRUE(event.IsSignaled());

  event.Reset();
  EXPECT_FALSE(event.IsSignaled());
  EXPECT_FALSE(event.TimedWait(TimeDelta::FromMilliseconds(10)));

  event.Signal();
  EXPECT_TRUE(event.Wait());
  EXPECT_TRUE(event.TimedWait(TimeDelta::FromMilliseconds(10)));
}

TEST(WaitableEventTest, AutoBasics) {
  WaitableEvent event(false, false);

  EXPECT_FALSE(event.IsSignaled());

  event.Signal();
  EXPECT_TRUE(event.IsSignaled());
  EXPECT_FALSE(event.IsSignaled());

  event.Reset();
  EXPECT_FALSE(event.IsSignaled());
  EXPECT_FALSE(event.TimedWait(TimeDelta::FromMilliseconds(10)));

  event.Signal();
  EXPECT_TRUE(event.Wait());
  EXPECT_FALSE(event.TimedWait(TimeDelta::FromMilliseconds(10)));

  event.Signal();
  EXPECT_TRUE(event.TimedWait(TimeDelta::FromMilliseconds(10)));
}