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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
commit dcd9973243
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dom/tests/mochitest/bugs/test_bug400204.html Normal file
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<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=400204
-->
<head>
<title>Test for Bug 400204</title>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.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=400204">Mozilla Bug 400204</a>
<p id="display"></p>
<iframe id="content" src="about:blank" style="display: none"></iframe>
<pre id="test">
<script class="testbody" type="text/javascript">
var c = document.getElementById("content");
var success = false;
// try to access innerWidth
try { success = (c.contentWindow.innerWidth == 0); } catch(ex) { success = false; }
ok(success, "can't access hidden iframe innerWidth, or it's not 0");
// try to access innerHeight
success = false;
try { success = (c.contentWindow.innerHeight == 0); } catch(ex) { success = false; }
ok(success, "can't access hidden iframe innerHeight, or it's not 0");
// Snag the canonical getter and setter
var innerWidthGetter = Object.getOwnPropertyDescriptor(c.contentWindow, "innerWidth").get;
var innerHeightGetter = Object.getOwnPropertyDescriptor(c.contentWindow, "innerHeight").get;
// try to set innerWidth
success = false;
try { c.contentWindow.innerWidth = 100; success = true; } catch(ex) { success = false; }
ok(success, "can't set hidden iframe innerWidth");
// try to set innerHeight
success = false;
try { c.contentWindow.innerHeight = 100; success = true; } catch(ex) { success = false; }
ok(success, "can't set hidden iframe innerHeight");
// now try these again for good measure, and to ensure the values
// haven't changed except via getting replaced
// try to access innerWidth
success = false;
try { success = (c.contentWindow.innerWidth == 100); } catch(ex) { success = false; }
ok(success, "can't access hidden iframe innerWidth, or it's not 100");
success = false;
try { success = (innerWidthGetter.call(c.contentWindow) == 0); } catch(ex) { success = false; }
ok(success, "can't access hidden iframe innerWidth, or it's not 0");
// try to access innerHeight
success = false;
try { success = (c.contentWindow.innerHeight == 100); } catch(ex) { success = false; }
ok(success, "can't access hidden iframe innerHeight, or it's not 100");
success = false;
try { success = (innerHeightGetter.call(c.contentWindow) == 0); } catch(ex) { success = false; }
ok(success, "can't access hidden iframe innerHeight, or it's not 0");
</script>
</pre>
</body>
</html>