content: /*
   * Copyright [2021-present] [ahoo wang <ahoowang@qq.com> (https://github.com/Ahoo-Wang)].
   * 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 me.ahoo.cosid.util;
  
  import com.google.common.base.Strings;
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Disabled;
  import org.junit.jupiter.api.Test;
  
  import java.time.Duration;
  import java.util.concurrent.locks.LockSupport;
  
  /**
   * @author ahoo wang
   */
  public class ClockTest {
  
      @Disabled
      @Test
      public void cacheClock() {
          final long maxTryTimes = 1000;
          final long parkNanos = Duration.ofMillis(100).toNanos();
          int currentTimes = 0;
          int diffTimes = 0;
  
          while (currentTimes < maxTryTimes) {
              currentTimes++;
              long cacheSecond = Clock.CACHE.secondTime();
              long systemSecond = Clock.getSystemSecondTime();
              long diff = systemSecond - cacheSecond;
              if (diff != 0) {
                  diffTimes++;
              }
              System.out.println(Strings.lenientFormat("cacheTime:[%s] - systemTime:[%s] - diff:[%s] - diffTimes:[%s]", cacheSecond, systemSecond, diff, diffTimes));
              Assertions.assertTrue(diff <= 1);
              LockSupport.parkNanos(this, parkNanos);
          }
  
      }
  }
  