content: /*
   * The Alluxio Open Foundation licenses this work under the Apache License, version 2.0
   * (the "License"). You may not use this work except in compliance with the License, which is
   * available at www.apache.org/licenses/LICENSE-2.0
   *
   * This software is distributed on an "AS IS" basis, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
   * either express or implied, as more fully set forth in the License.
   *
   * See the NOTICE file distributed with this work for information regarding copyright ownership.
   */
  
  package alluxio.retry;
  
  import static org.junit.Assert.assertEquals;
  import static org.junit.Assert.fail;
  
  import org.junit.Test;
  
  import java.io.IOException;
  import java.util.concurrent.atomic.AtomicInteger;
  
  /**
   * Unit tests for {@link RetryUtils}.
   */
  public class RetryUtilsTest {
    @Test
    public void success() throws IOException {
      AtomicInteger count = new AtomicInteger(0);
      RetryUtils.retry("success test", () -> {
        count.incrementAndGet();
        if (count.get() == 5) {
          return;
        }
        throw new IOException("Fail");
      }, new CountingRetry(10));
      assertEquals(5, count.get());
    }
  
    @Test
    public void failure() throws IOException {
      AtomicInteger count = new AtomicInteger(0);
      try {
        RetryUtils.retry("failure test", () -> {
          count.incrementAndGet();
          throw new IOException(Integer.toString(count.get()));
        }, new CountingRetry(10));
        fail("Expected an exception to be thrown");
      } catch (IOException e) {
        assertEquals("11", e.getMessage());
      }
      assertEquals(11, count.get());
    }
  }
  