/*
 * Copyright 2013 Google Inc. 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.
 */

package com.google.errorprone.bugpatterns.testdata;

import java.util.Date;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.locks.Condition;

/**
 * @author eaftan@google.com (Eddie Aftandilian)
 */
public class WaitNotInLoopPositiveCases {

  boolean flag = false;

  public void testIfInsteadOfLoop() {
    synchronized (this) {
      if (!flag) {
        try {
          // BUG: Diagnostic contains: wait() must always be called in a loop
          // Did you mean 'while (!flag) {'?
          wait();
        } catch (InterruptedException e) {
        }
      }
    }
  }

  public void testWaitLong() throws InterruptedException {
    // BUG: Diagnostic contains: wait(long) must always be called in a loop
    wait(1000);
  }

  public void testWaitLongInt() throws Exception {
    // BUG: Diagnostic contains: wait(long,int) must always be called in a loop
    wait(1000, 1000);
  }

  public void testAwait(Condition cond) throws Exception {
    // BUG: Diagnostic contains: await() must always be called in a loop
    cond.await();
  }

  public void testAwaitWithFix(Condition cond) throws Exception {
    synchronized (this) {
      if (!flag) {
        try {
          // BUG: Diagnostic contains: await() must always be called in a loop
          // Did you mean 'while (!flag) {'?
          cond.await();
        } catch (InterruptedException e) {
        }
      }
    }
  }

  public void testAwaitLongTimeUnit(Condition cond) throws Exception {
    // BUG: Diagnostic contains:
    // await(long,java.util.concurrent.TimeUnit) must always be called in a loop
    cond.await(1, TimeUnit.SECONDS);
  }

  public void testAwaitNanos(Condition cond) throws Exception {
    // BUG: Diagnostic contains: awaitNanos(long) must always be called in a loop
    cond.awaitNanos(1000000);
  }

  public void testAwaitUninterruptibly(Condition cond) throws Exception {
    // BUG: Diagnostic contains: awaitUninterruptibly() must always be called in a loop
    cond.awaitUninterruptibly();
  }

  public void testAwaitUntil(Condition cond) throws Exception {
    // BUG: Diagnostic contains: awaitUntil(java.util.Date) must always be called in a loop
    cond.awaitUntil(new Date());
  }
}