/*
    * Copyright 2022 The OSHI Project Contributors
    * SPDX-License-Identifier: MIT
    */
   package oshi.driver.windows.perfmon;
   
   import static org.hamcrest.MatcherAssert.assertThat;
   import static org.hamcrest.Matchers.greaterThan;
   import static org.hamcrest.Matchers.lessThan;
  
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.condition.EnabledOnOs;
  import org.junit.jupiter.api.condition.OS;
  
  import oshi.util.Util;
  
  @EnabledOnOs(OS.WINDOWS)
  class LoadAverageTest {
  
      @Test
      void testQueryLoadAverage() {
          double[] loadAverage = LoadAverage.queryLoadAverage(3);
          assertThat("1m load average should be negative", loadAverage[0], lessThan(0d));
          assertThat("5m load average should be negative", loadAverage[1], lessThan(0d));
          assertThat("15m load average should be negative", loadAverage[2], lessThan(0d));
          LoadAverage.startDaemon();
          Util.sleep(11000L);
          loadAverage = LoadAverage.queryLoadAverage(3);
          assertThat("1m load average should be positive", loadAverage[0], greaterThan(0d));
          assertThat("5m load average should be positive", loadAverage[1], greaterThan(0d));
          assertThat("15m load average should be positive", loadAverage[2], greaterThan(0d));
          LoadAverage.stopDaemon();
      }
  }