package com.atlassian.vcache.internal.core.metrics;
   
   import org.junit.Test;
   import org.junit.runner.RunWith;
   import org.mockito.Mock;
   import org.mockito.runners.MockitoJUnitRunner;
   
   import java.util.function.LongConsumer;
   
  import static org.mockito.Matchers.anyLong;
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.verifyNoMoreInteractions;
  
  @RunWith(MockitoJUnitRunner.class)
  public class ElapsedTimerTest {
      @Mock
      private LongConsumer greedy;
  
      @Test
      public void all_quiet() {
          final ElapsedTimer timer = new ElapsedTimer(greedy);
  
          verifyNoMoreInteractions(greedy);
      }
  
      @Test
      public void lights_camera_action() {
          final ElapsedTimer timer = new ElapsedTimer(greedy);
  
          timer.close();
  
          verify(greedy).accept(anyLong());
          verifyNoMoreInteractions(greedy);
      }
  }