LongCounterTestCase.java :  » HTTP » http4j » com » google » code » http4j » utils » Java Open Source

/**
 * Copyright (C) 2010 Zhang, Guilin <guilin.zhang@hotmail.com>
 *
 * Licensed 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 com.google.code.http4j.utils;

import org.testng.Assert;
import org.testng.annotations.BeforeClass;
import org.testng.annotations.Test;

import com.google.code.http4j.utils.Counter;
import com.google.code.http4j.utils.LongCounter;

/**
 * @author <a href="mailto:guilin.zhang@hotmail.com">Zhang, Guilin</a>
 */
public final class LongCounterTestCase {
  private Counter<Long> counter;
  
  @BeforeClass
  public void beforeClass() {
    counter = new LongCounter();
  }

  @Test
  public void get() {
    long number = counter.get();
    Assert.assertEquals(number, 0);
  }
  
  @Test(dependsOnMethods = "get")
  public void increase() {
    counter.addAndGet(0l);
    long number = counter.get();
    Assert.assertEquals(number, 0);
    counter.addAndGet(1048576l);
    number = counter.get();
    Assert.assertEquals(number, 1048576l);
    counter.addAndGet(-13l);
    number = counter.get();
    Assert.assertEquals(number, 1048576l - 13);
  }
  
  @Test(dependsOnMethods = "increase")
  public void reset() {
    counter.reset();
    long number = counter.get();
    Assert.assertEquals(number, 0);
  }
}