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e00fc8d753
I confirmed that the mochitest fails without the patch and passes with it, both standalone and in the directory harness.
51 lines
1.6 KiB
HTML
51 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 overflow events</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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<script type="application/javascript">
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SimpleTest.waitForExplicitFinish();
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window.addEventListener("load", function(event) {
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if (event.target == document) {
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test_bug981637();
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}
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}, false);
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/** Test for Bug 981637: correct overflow event firing in updateOverflow **/
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var overflow_fired = false;
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function overflow_listener(event) {
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overflow_fired = true;
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}
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function test_bug981637() {
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var outerDiv = document.getElementById("bug981637");
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var innerDiv = outerDiv.firstChild;
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innerDiv.offsetWidth; // flush layout
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is(overflow_fired, false, "correct setup");
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outerDiv.addEventListener("overflow", overflow_listener, false);
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innerDiv.style.transform = "scale(1.2)";
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innerDiv.offsetWidth; // flush layout
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// run finish step after the overflow event fires (off the event loop)
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setTimeout(test_bug981637_step2, 0);
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}
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function test_bug981637_step2() {
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is(overflow_fired, true, "overflow event should have fired after updating transform");
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SimpleTest.finish();
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}
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</script>
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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=981637">Mozilla Bug 981637</a>
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<div id="bug981637" style="overflow: hidden; width: 100px; height: 100px;"><div style="transform: scale(0.8); width: 100px; height: 100px"></div></div>
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<pre id="test">
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</pre>
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</body>
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</html>
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