content/test/data/accessibility/html/commandfor-api-popover-menus.html

<!--
@MAC-ALLOW:AXExpanded
@WIN-ALLOW:details-roles*
@WIN-ALLOW:EXPANDED*
@WIN-ALLOW:HASPOPUP*
@WIN-ALLOW:haspopup*
@BLINK-ALLOW:haspopup*
@BLINK-ALLOW:expanded*
@AURALINUX-ALLOW:details-roles*
@AURALINUX-ALLOW:expanded*
@AURALINUX-ALLOW:haspopup:*
-->

<!-- Non-visible menulist should show collapsed menuitem and button -->
<button command=show-menu commandfor=closedmenu></button>
<menubar>
  <menuitem command=toggle-menu commandfor=closedmenu>First item</menuitem>
  <menuitem>No command item</menuitem>
  <menuitem command=--custom-command commandfor=closedmenu>Custom command item</menuitem>
</menubar>
<menulist id=closedmenu></menulist>

<!-- Visible menulist should show expanded menuitem and button (see script
below) -->
<button command=show-menu commandfor=openedmenu></button>
<menubar>
  <menuitem command=toggle-menu commandfor=openedmenu>First item</menuitem>
</menubar>
<menulist id=openedmenu></menulist>

<!-- Submenu menuitem shows collapsed state -->
<menubar>
  <menuitem command=toggle-menu commandfor=submenu1>First item</menuitem>
</menubar>
<menulist id=submenu1>
  <menuitem>Submenu1 first item</menuitem>
  <menuitem command=toggle-menu commandfor=submenu2>Submenu1 second item</menuitem>
</menulist>
<menulist id=submenu2>
  <menuitem>Submenu2 first item</menuitem>
</menulist>

<script>
  openedmenu.showPopover();
  submenu1.showPopover();
</script>