gecko-dev/layout/generic/test/test_bug632379.xhtml

<?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"?>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=632379
-->
<window title="Mozilla Bug 632379"
  xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">

  <script src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"/>
  <script src="chrome://mochikit/content/tests/SimpleTest/EventUtils.js"></script>

<toolbox flex="1">
  <menubar>
    <menu label="MENU" accesskey="m" id="mainMenu">
      <menupopup maxheight="100" onpopupshown="openSubmenu()">
        <menu label="menu1" accesskey="1" id="menu1">
          <menupopup onpopupshown="snapshot(this)">
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
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            <menuitem label="item"/>
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        <menu label="menu2" accesskey="2" id="menu2">
          <menupopup onpopupshown="snapshot(this)">
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
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        <menu label="menu3" accesskey="3" id="menu3">
          <menupopup onpopupshown="snapshot(this)">
            <menuitem label="item"/>
            <menuitem label="item"/>
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        <menu label="menu4" accesskey="4" id="menu4">
          <menupopup onpopupshown="snapshot(this)">
            <menuitem label="item"/>
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            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
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            <menuitem label="item"/>
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        </menu>
        <menu label="menu5" accesskey="5" id="menu5">
          <menupopup onpopupshown="snapshot(this)">
            <menuitem label="item"/>
            <menuitem label="item"/>
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            <menuitem label="item"/>
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            <menuitem label="item"/>
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        </menu>
        <menu label="menu6" accesskey="6" id="menu6">
          <menupopup onpopupshown="snapshot(this)">
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
          </menupopup>
        </menu>
        <menu label="menu7" accesskey="7" id="menu7">
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            <menuitem label="item"/>
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          </menupopup>
        </menu>
        <menu label="menu8" accesskey="8" id="menu8">
          <menupopup onpopupshown="snapshot(this)">
            <menuitem label="item"/>
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            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
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            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
          </menupopup>
        </menu>
        <menu label="menu9" accesskey="9" id="menu9">
          <menupopup onpopupshown="snapshot(this)">
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
            <menuitem label="item"/>
          </menupopup>
        </menu>
      </menupopup>
    </menu>
  </menubar>
</toolbox>

<body  xmlns="http://www.w3.org/1999/xhtml">
  <a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=632379">Mozilla Bug 632379</a>

  <p id="display"></p>
<div id="content" style="display: none">
</div>
</body>


<script class="testbody" type="application/javascript"><![CDATA[

var gFinished = false;

/** Test for Bug 632379 **/
// Tests whether scrolling a menu affects the position at which popups appear
var pos = new Array(2);
var count=0;

function snapshot(elem)
{
    todo(false, "snapshot() called");
    pos[count] = elem.getBoundingClientRect().top;
    ++count;
    if (count <= 1) {
        // close the submenu and open the bottom submenu
        synthesizeKey("KEY_ArrowLeft");
        sendString("9");
    } else {
        if (!navigator.platform.includes("Mac")) {
            is(pos[1], pos[0], "Popup should open in the same place when the menu is scrolled");
        } else {
            todo(false, "This test fails on Mac since it was ported to chrome: Bug 668716.");
        }
        todo(false, "Test finished");
        gFinished = true;
        SimpleTest.finish();
    }
}

function doTest() {
    todo(false, "doTest() called");
    // open the top-level menu
    $("mainMenu").open = true;
}

function openSubmenu()
{
    if (!gFinished) {
        todo(false, "openSubmenu() called");
    }
    // open a submenu in the middle
    sendString("5");
}

SimpleTest.waitForExplicitFinish();
todo(false, "Wait for focus");
SimpleTest.waitForFocus(doTest);

]]></script>
</window>