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.calcite.avatica.metrics.dropwizard;
  
  import com.codahale.metrics.Counter;
  
  import org.junit.Before;
  import org.junit.Test;
  
  import static org.junit.Assert.assertEquals;
  
  /**
   * Test class for {@link DropwizardCounter}.
   */
  public class DropwizardCounterTest {
  
    private Counter counter;
  
    @Before public void setup() {
      this.counter = new Counter();
    }
  
    @Test public void testCounting() {
      DropwizardCounter dwCounter = new DropwizardCounter(counter);
  
      dwCounter.increment();
      assertEquals(1L, counter.getCount());
      dwCounter.increment();
      assertEquals(2L, counter.getCount());
      dwCounter.increment(2L);
      assertEquals(4L, counter.getCount());
      dwCounter.increment(-1L);
      assertEquals(3L, counter.getCount());
  
      dwCounter.decrement();
      assertEquals(2L, counter.getCount());
      dwCounter.decrement();
      assertEquals(1L, counter.getCount());
      dwCounter.decrement(4L);
      assertEquals(-3L, counter.getCount());
      dwCounter.decrement(-3L);
      assertEquals(0L, counter.getCount());
    }
  
  }
  
  // End DropwizardCounterTest.java
  