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<?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="Menulist position Test"
onload="setTimeout(init, 0)"
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>
<!--
This test checks the position of a menulist's popup.
-->
<script>
<![CDATA[
SimpleTest.waitForExplicitFinish();
var menulist;
function init()
{
menulist = document.getElementById("menulist");
menulist.open = true;
}
function isWithinHalfPixel(a, b)
{
return Math.abs(a - b) <= 0.5;
}
const ismac = navigator.platform.indexOf("Mac") == 0;
function inputMargin(el) {
let cs = getComputedStyle(el);
// XXX Internal properties are not exposed in getComputedStyle, so we have to
// use margin and rely on our knowledge of them matching negative margins
// where appropriate.
// return parseFloat(cs.getPropertyValue("-moz-window-input-region-margin"));
return ismac ? 0 : Math.max(-parseFloat(cs.marginLeft), 0);
}
function popupShown()
{
var menurect = menulist.getBoundingClientRect();
var popuprect = menulist.menupopup.getBoundingClientRect();
let marginLeft = parseFloat(getComputedStyle(menulist.menupopup).marginLeft);
ok(isWithinHalfPixel(menurect.left + marginLeft, popuprect.left), `left position: ${menurect.left}, ${popuprect.left}`);
ok(isWithinHalfPixel(menurect.right + marginLeft + 2 * inputMargin(menulist.menupopup), popuprect.right), `right position: ${menurect.right}, ${popuprect.right}`);
let index = menulist.selectedIndex;
if (menulist.selectedItem && navigator.platform.includes("Mac")) {
let menulistlabelrect = menulist.shadowRoot.getElementById("label").getBoundingClientRect();
let mitemlabelrect = menulist.selectedItem.querySelector(".menu-iconic-text").getBoundingClientRect();
ok(isWithinHalfPixel(menulistlabelrect.top, mitemlabelrect.top),
`Labels vertically aligned for ${index} : ${menulistlabelrect.top} vs. ${mitemlabelrect.top}`);
// Store the current value and reset it afterwards.
let current = menulist.selectedIndex;
// Cycle through the items to ensure that the popup doesn't move when the selection changes.
for (let i = 0; i < menulist.itemCount; i++) {
menulist.selectedIndex = i;
let newpopuprect = menulist.menupopup.getBoundingClientRect();
is(newpopuprect.x, popuprect.x, "Popup remained horizontally for index " + i + " starting at " + current);
is(newpopuprect.y, popuprect.y, "Popup remained vertically for index " + i + " starting at " + current);
}
menulist.selectedIndex = current;
}
else {
let marginTop = parseFloat(getComputedStyle(menulist.menupopup).marginTop);
ok(isWithinHalfPixel(menurect.bottom + marginTop, popuprect.top),
"Vertical alignment with no selection for index " + index);
}
menulist.open = false;
}
function popupHidden()
{
if (!menulist.selectedItem) {
SimpleTest.finish();
}
else {
menulist.selectedItem = menulist.selectedItem.nextSibling;
menulist.open = true;
}
}
]]>
</script>
<hbox align="center" pack="center" style="margin-top: 140px;">
<menulist style="width: 200px" id="menulist" onpopupshown="popupShown();" onpopuphidden="popupHidden();" native="true">
<menupopup style="max-height: 90px;">
<menuitem label="One"/>
<menuitem label="Two"/>
<menuitem label="Three"/>
<menuitem label="Four"/>
<menuitem label="Five"/>
<menuitem label="Six"/>
<menuitem label="Seven"/>
</menupopup>
</menulist>
</hbox>
<body xmlns="http://www.w3.org/1999/xhtml">
<p id="display">
</p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
</body>
</window>
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