/*
    * Copyright 2021-2022 The OSHI Project Contributors
    * SPDX-License-Identifier: MIT
    */
   package oshi.driver.linux.proc;
   
   import static org.junit.jupiter.api.Assertions.assertInstanceOf;
   import static org.junit.jupiter.api.Assertions.assertNotNull;
   
  import java.util.EnumMap;
  import java.util.Map;
  
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.condition.EnabledOnOs;
  import org.junit.jupiter.api.condition.OS;
  
  @EnabledOnOs(OS.LINUX)
  class DiskStatsTest {
  
      @Test
      void testGetDiskStats() {
          Map<String, Map<DiskStats.IoStat, Long>> map = DiskStats.getDiskStats();
          assertNotNull(map, "DiskStats should not be null");
  
          map.forEach((key, value) -> {
              assertNotNull(value, "Entry should not have a null map!");
              assertInstanceOf(EnumMap.class, value, "Value should be enum map!");
          });
      }
  }