content: /*
   *   Copyright 1999-2018 Alibaba Group Holding Ltd.
   *
   *   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.alibaba.nacos.client.config.impl;
  
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  class LimiterTest {
      
      @Test
      void testIsLimit() {
          String keyId = "a";
          //For initiating.
          assertFalse(Limiter.isLimit(keyId));
          long start = System.currentTimeMillis();
          for (int j = 0; j < 5; j++) {
              assertFalse(Limiter.isLimit(keyId));
          }
          long elapse = System.currentTimeMillis() - start;
          // assert  < limit 5qps
          assertTrue(elapse > 980);
      }
  }