/*
    * Copyright 2020-2022 The OSHI Project Contributors
    * SPDX-License-Identifier: MIT
    */
   package oshi.util;
   
   import static org.hamcrest.MatcherAssert.assertThat;
   import static org.hamcrest.Matchers.anEmptyMap;
   import static org.hamcrest.Matchers.emptyString;
  import static org.hamcrest.Matchers.greaterThanOrEqualTo;
  import static org.hamcrest.Matchers.is;
  import static org.hamcrest.Matchers.not;
  
  import org.junit.jupiter.api.Test;
  
  import oshi.PlatformEnum;
  import oshi.SystemInfo;
  import oshi.util.platform.unix.freebsd.ProcstatUtil;
  
  /**
   * Test general utility methods
   */
  class ProcstatUtilTest {
  
      @Test
      void testProcstat() {
          if (SystemInfo.getCurrentPlatform().equals(PlatformEnum.FREEBSD)) {
              int pid = new SystemInfo().getOperatingSystem().getProcessId();
  
              assertThat("Open files must be nonnegative", ProcstatUtil.getOpenFiles(pid), is(greaterThanOrEqualTo(0L)));
  
              assertThat("CwdMap should have at least one element", ProcstatUtil.getCwdMap(-1), is(not(anEmptyMap())));
  
              assertThat("CwdMap with pid should have at least one element", ProcstatUtil.getCwdMap(pid),
                      is(not(anEmptyMap())));
  
              assertThat("Cwd should be nonempty", ProcstatUtil.getCwd(pid), is(not(emptyString())));
          }
      }
  }