content: /*
   * Copyright 1999-2023 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.utils;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.concurrent.TimeUnit;
  
  class PreInitUtilsTest {
      
      @Test
      void testAsyncPreLoadCostComponent() throws InterruptedException {
          // There is no things need to be assert.
          // The method will called when nacos-client init to async to load some components to reduce the sync load time.
          PreInitUtils.asyncPreLoadCostComponent();
          // No exception is ok.
          // Let async thread run completed
          TimeUnit.SECONDS.sleep(2);
      }
  }