content: package net.sf.expectit;
  
  /*
   * #%L
   * ExpectIt
   * %%
   * Copyright (C) 2014 Alexey Gavrilov and contributors
   * %%
   * 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.
   * #L%
   */
  
  import java.io.InputStream;
  import java.util.concurrent.BlockingQueue;
  import java.util.concurrent.CountDownLatch;
  
  /**
   * A mock object which provides control over the input stream.
   */
  public class MockInputStream {
      private final InputStream stream;
      private final BlockingQueue<String> queue;
      private final CountDownLatch latch;
  
      MockInputStream(InputStream stream, BlockingQueue<String> queue, CountDownLatch latch) {
          this.stream = stream;
          this.queue = queue;
          this.latch = latch;
      }
  
      public InputStream getStream() {
          return stream;
      }
  
      public void push(String data) throws InterruptedException {
          queue.put(data);
      }
  
      public void waitUntilReady() throws InterruptedException {
          latch.await();
      }
  }
  