/*
    * Copyright 2021-2022 The OSHI Project Contributors
    * SPDX-License-Identifier: MIT
    */
   package oshi.driver.mac;
   
   import static org.hamcrest.MatcherAssert.assertThat;
   import static org.hamcrest.Matchers.emptyOrNullString;
   import static org.hamcrest.Matchers.greaterThan;
  import static org.hamcrest.Matchers.is;
  import static org.hamcrest.Matchers.lessThanOrEqualTo;
  import static org.hamcrest.Matchers.not;
  
  import java.util.HashSet;
  import java.util.List;
  import java.util.Set;
  
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.condition.EnabledOnOs;
  import org.junit.jupiter.api.condition.OS;
  
  import oshi.software.os.OSDesktopWindow;
  
  @EnabledOnOs(OS.MAC)
  class WindowInfoTest {
      @Test
      void testQueryDesktopWindows() {
          final List<OSDesktopWindow> osDesktopWindows = WindowInfo.queryDesktopWindows(true);
          final List<OSDesktopWindow> allOsDesktopWindows = WindowInfo.queryDesktopWindows(false);
          final Set<Integer> windowOrders = new HashSet<>();
          final Set<Long> windowIds = new HashSet<>();
  
          assertThat("Desktop should have at least one window.", osDesktopWindows.size(), is(greaterThan(0)));
          assertThat("The number of all desktop windows should be greater than the number of visible desktop windows",
                  allOsDesktopWindows.size(), is(greaterThan(osDesktopWindows.size())));
          for (OSDesktopWindow window : osDesktopWindows) {
              assertThat("Window IDs are not unique.", windowIds.contains(window.getWindowId()), is(false));
              windowOrders.add(window.getOrder());
              windowIds.add(window.getWindowId());
              assertThat("Windows should have a title.", window.getTitle(), is(not(emptyOrNullString())));
              assertThat("Window should be visible", window.isVisible(), is(true));
          }
          assertThat("Number of layers must be less than or equal to 20.", windowOrders.size(),
                  is(lessThanOrEqualTo(20)));
      }
  }