gecko/dom/tests/mochitest/bugs/test_sizetocontent_clamp.html

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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=764240
-->
<head>
<meta charset="utf-8">
<title>Test for Bug 764240</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<script type="application/javascript" src="/tests/SimpleTest/EventUtils.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=764240">Mozilla Bug 764240</a>
<p id="display"></p>
<div id="content">
<button onclick="test();">run test</button>
</div>
<pre id="test">
<script type="application/javascript">
/** Test for Bug 764240 **/
SimpleTest.waitForExplicitFinish();
// Error margin allowed for the window's size. Windows has varying minimum
// sizes depending on the os due to outer window chrome. Unix is given 5
// pixels to protect against minor variances.
var epsilon = navigator.platform.indexOf("Win") == -1 ? 5 : 20;
// Windows 8 has a minimum 122 pixel inner window width due to
// outer window chrome.
var isWin8 = (navigator.userAgent.indexOf("Windows NT 6.2") != -1);
var innerWidthMin = (isWin8 ? 120 : 100);
var innerWidthMax = (isWin8 ? 125 : 100);
function test() {
var w = window.open('data:text/html,null', null, 'width=300,height=300');
var nbResize = 0;
SimpleTest.waitForFocus(function() {
w.onresize = function() {
nbResize++;
if (nbResize == 1) {
return;
}
ok(w.innerWidth + epsilon >= innerWidthMin && w.innerWidth - epsilon <= innerWidthMax,
"innerWidth should be between " + innerWidthMin + " and " + innerWidthMax);
ok(w.innerHeight + epsilon >= 100 && w.innerHeight - epsilon <= 100,
"innerHeight should be around 100");
// It's not clear why 2 events are coming...
is(nbResize, 2, "We should get 2 events.");
w.close();
SimpleTest.waitForFocus(function() {
SimpleTest.finish();
});
};
w.sizeToContent();
}, w);
}
SimpleTest.waitForFocus(function() {
synthesizeMouseAtCenter(document.getElementsByTagName('button')[0], {});
});
</script>
</pre>
</body>
</html>