/*
 * -----------------------------------------------------------------------\
 * PerfCake
 *  
 * Copyright (C) 2010 - 2016 the original author or authors.
 *  
 * 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 org.perfcake.message.sequence;

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

import java.util.Properties;

/**
 * @author <a href="mailto:marvenec@gmail.com">Martin Večeřa</a>
 */
@Test(groups = { "unit" })
public class TimeStampSequenceTest {

   @Test
   public void testTimeStampSequence() throws Exception {
      final TimeStampSequence tss = new TimeStampSequence();
      final Properties props = new Properties();

      int success = 0;
      for (int i = 0; i < 100; i++) {
         long curr = System.currentTimeMillis();
         tss.publishNext("v1", props);
         long seq = Long.parseLong(props.getProperty("v1"));

         if (seq - curr <= 1) {
            success++;
         }

         Thread.sleep(1);
      }

      // the invocations are not at the same time precisely, so there might be some differences.
      Assert.assertTrue(success > 90);
   }
}