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.distributedlog.limiter;
  
  import static org.junit.Assert.assertEquals;
  
  import org.junit.Test;
  
  
  
  /**
   * TestRequestLimiter.
   */
  public class TestRequestLimiter {
  
      class MockRequest {
      }
  
      class MockRequestLimiter implements RequestLimiter<MockRequest> {
          int count;
          MockRequestLimiter() {
              this.count = 0;
          }
          public void apply(MockRequest request) {
              count++;
          }
          public int getCount() {
              return count;
          }
      }
  
      @Test(timeout = 60000)
      public void testChainedRequestLimiter() throws Exception {
          MockRequestLimiter limiter1 = new MockRequestLimiter();
          MockRequestLimiter limiter2 = new MockRequestLimiter();
          ChainedRequestLimiter.Builder<MockRequest> limiterBuilder =
                  new ChainedRequestLimiter.Builder<MockRequest>();
          limiterBuilder.addLimiter(limiter1)
                        .addLimiter(limiter2);
          ChainedRequestLimiter<MockRequest> limiter = limiterBuilder.build();
          assertEquals(0, limiter1.getCount());
          assertEquals(0, limiter2.getCount());
          limiter.apply(new MockRequest());
          assertEquals(1, limiter1.getCount());
          assertEquals(1, limiter2.getCount());
          limiter.apply(new MockRequest());
          assertEquals(2, limiter1.getCount());
          assertEquals(2, limiter2.getCount());
      }
  }
  