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.basehlc;
  
  import static org.testng.Assert.assertTrue;
  
  import org.testng.annotations.Test;
  
  public class HLCTest {
      @Test
      public void get() {
          long now = System.currentTimeMillis();
          long t1 = HLC.INST.get();
          assertTrue(t1 > 0 && HLC.INST.getPhysical(t1) >= now);
          for (int i = 0; i < 1000; i++) {
              long t = HLC.INST.get();
              assertTrue(t > t1);
              t1 = t;
          }
      }
  
      @Test
      public void update() {
          long now = System.currentTimeMillis();
          long t1 = HLC.INST.update(HLC.INST.get());
          assertTrue(t1 > 0 && HLC.INST.getPhysical(t1) >= now);
          for (int i = 0; i < 1000; i++) {
              long t = HLC.INST.update(t1);
              assertTrue(t > t1);
              t1 = t;
          }
      }
  }
  