<?xml version="1.0"?>
<?xml-stylesheet href="chrome://global/skin" type="text/css"?>
<?xml-stylesheet href="chrome://mochikit/content/tests/SimpleTest/test.css" type="text/css"?>
<window title="Context Menu RTL position"
        xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
<script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>
<menupopup id="context-menu" style="max-width: 100px; direction: rtl">
  <menuitem label="Item"/>
</menupopup>
<script>
<![CDATA[

add_task(async function() {
  // This test checks behavior of non-native menus,
  // so disable native context menus for this test.
  await SpecialPowers.pushPrefEnv({ set: [["widget.macos.native-context-menus", false]] });
  const menu = document.getElementById("context-menu");
  const shown = new Promise(resolve => menu.addEventListener("popupshown", resolve, { once: true }));
  const point = {
    x: window.screenX + screen.width / 2,
    y: window.screenY + screen.height / 2,
  };
  menu.openPopupAtScreen(point.x, point.y, true, null);
  await shown;
  const rect = menu.getBoundingClientRect();
  const margin = parseFloat(getComputedStyle(menu).marginRight);
  info(`${menu.screenX} + ${rect.width} + ${margin} < ${point.x}`);
  ok(menu.screenX + rect.width + margin < point.x, "Should be right-aligned");
  menu.hidePopup();
});

]]>
</script>
</window>