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.config.server.utils;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.concurrent.TimeUnit;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  
  class SimpleCacheTest {
      
      @Test
      void testPutAndGet() throws InterruptedException {
          SimpleCache<String> simpleCache = new SimpleCache<>();
          simpleCache.put("key", "value", 1000);
          assertEquals("value", simpleCache.get("key"));
          
          //time expire
          TimeUnit.MILLISECONDS.sleep(1100);
          Object value = simpleCache.get("key");
          assertNull(value);
      }
      
  }
  