content: /*
   *
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you 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 org.apache.bookkeeper.proto;
  
  import static org.junit.Assert.assertEquals;
  
  import org.apache.bookkeeper.proto.BKStats.OpStats;
  import org.junit.Test;
  
  /**
   * Tests that Statistics updation in Bookie Server.
   */
  public class TestBKStats {
  
      /**
       * Tests that updateLatency should not fail with
       * ArrayIndexOutOfBoundException when latency time coming as negative.
       */
      @Test
      public void testUpdateLatencyShouldNotFailWithAIOBEWithNegativeLatency()
              throws Exception {
          OpStats opStat = new OpStats();
          opStat.updateLatency(-10);
          assertEquals("Should not update any latency metrics", 0,
                  opStat.numSuccessOps);
      }
  }
  