text: <<<<<<< HEAD
  /* Copyright 2015 The TensorFlow Authors. All Rights Reserved.
  
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at
  
      http://www.apache.org/licenses/LICENSE-2.0
  
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
  ==============================================================================*/
  
  #include "tensorflow/core/platform/test.h"
  
  #include "tensorflow/core/lib/core/notification.h"
  #include "tensorflow/core/lib/core/threadpool.h"
  #include "tensorflow/core/platform/mutex.h"
  #include "tensorflow/core/platform/types.h"
  =======
  #include <gtest/gtest.h>
  
  #include "tensorflow/core/lib/core/notification.h"
  #include "tensorflow/core/lib/core/threadpool.h"
  #include "tensorflow/core/platform/port.h"
  >>>>>>> f41959ccb2... TensorFlow: Initial commit of TensorFlow library.
  
  namespace tensorflow {
  namespace {
  
  TEST(NotificationTest, TestSingleNotification) {
    thread::ThreadPool* thread_pool =
        new thread::ThreadPool(Env::Default(), "test", 1);
  
    int counter = 0;
    Notification start;
    Notification proceed;
    thread_pool->Schedule([&start, &proceed, &counter] {
      start.Notify();
      proceed.WaitForNotification();
      ++counter;
    });
  
    // Wait for the thread to start
    start.WaitForNotification();
  
    // The thread should be waiting for the 'proceed' notification.
    EXPECT_EQ(0, counter);
  
    // Unblock the thread
    proceed.Notify();
  
    delete thread_pool;  // Wait for closure to finish.
  
    // Verify the counter has been incremented
    EXPECT_EQ(1, counter);
  }
  
  TEST(NotificationTest, TestMultipleThreadsWaitingOnNotification) {
    const int num_closures = 4;
    thread::ThreadPool* thread_pool =
        new thread::ThreadPool(Env::Default(), "test", num_closures);
  
    mutex lock;
    int counter = 0;
    Notification n;
  
    for (int i = 0; i < num_closures; ++i) {
      thread_pool->Schedule([&n, &lock, &counter] {
        n.WaitForNotification();
        mutex_lock l(lock);
        ++counter;
      });
    }
  <<<<<<< HEAD
  
    // Sleep 1 second.
    Env::Default()->SleepForMicroseconds(1 * 1000 * 1000);
  =======
    sleep(1);
  >>>>>>> f41959ccb2... TensorFlow: Initial commit of TensorFlow library.
  
    EXPECT_EQ(0, counter);
  
    n.Notify();
    delete thread_pool;  // Wait for all closures to finish.
    EXPECT_EQ(4, counter);
  }
  
  <<<<<<< HEAD
  TEST(NotificationTest, TestWaitWithTimeoutOnNotifiedNotification) {
    Notification n;
    n.Notify();
    EXPECT_TRUE(WaitForNotificationWithTimeout(&n, 1000 * 1000));
  }
  
  =======
  >>>>>>> f41959ccb2... TensorFlow: Initial commit of TensorFlow library.
  }  // namespace
  }  // namespace tensorflow
  