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49 lines
1.6 KiB
HTML
49 lines
1.6 KiB
HTML
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<title>Test for Bug 919437</title>
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<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
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</head>
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<body>
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<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=919437">Mozilla Bug 919437</a>
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<div id="content" style="display: none"></div>
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<pre id="test">
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<script type="application/javascript">
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/** Test for Bug 919437 **/
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SimpleTest.waitForExplicitFinish();
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function run()
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{
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var oldWidth = window.innerWidth;
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var oldHeight = window.innerHeight;
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var newWidth = oldWidth / 2;
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var newHeight = oldHeight / 2;
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var utils = SpecialPowers.getDOMWindowUtils(window);
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utils.setScrollPositionClampingScrollPortSize(newWidth, newHeight);
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is(window.innerWidth, newWidth, "innerWidth not updated to scroll port width");
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is(window.innerHeight, newHeight, "innerHeight not updated to scroll port height");
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var innerWidthGetter = Object.getOwnPropertyDescriptor(window, "innerWidth").get;
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var innerHeightGetter = Object.getOwnPropertyDescriptor(window, "innerHeight").get;
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window.innerWidth = oldWidth;
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window.innerHeight = oldHeight;
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is(window.innerWidth, oldWidth, "Should have redefined innerWidth");
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is(window.innerHeight, oldHeight, "Should have redefined innerWidth");
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is(innerWidthGetter.call(window), newWidth, "innerWidth clobbered by direct set");
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is(innerHeightGetter.call(window), newHeight, "innerHeight clobbered by direct set");
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SimpleTest.finish();
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}
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window.addEventListener("load", run, false);
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</script>
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</pre>
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</body>
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</html>
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