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.bifromq.basekv.localengine;
  
  import static org.mockito.Mockito.times;
  import static org.mockito.Mockito.verify;
  
  import org.mockito.Mock;
  import org.testng.annotations.Test;
  
  public class SyncContextTest extends MockableTest {
  
      @Mock
      private Runnable refresh;
  
      @Mock
      private Runnable mutate;
  
      @Test
      public void refreshAsNeeded() {
          SyncContext accessor = new SyncContext();
          ISyncContext.IRefresher refresher1 = accessor.refresher();
          ISyncContext.IRefresher refresher2 = accessor.refresher();
          ISyncContext.IMutator mutator = accessor.mutator();
  
          refresher1.runIfNeeded(refresh);
          refresher2.runIfNeeded(refresh);
          verify(refresh, times(2)).run();
  
          mutator.run(mutate);
          verify(mutate, times(1)).run();
  
          refresher1.runIfNeeded(refresh);
          refresher2.runIfNeeded(refresh);
          verify(refresh, times(4)).run();
  
          refresher1.runIfNeeded(refresh);
          refresher2.runIfNeeded(refresh);
          verify(refresh, times(4)).run();
      }
  }
  