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57 lines
1.6 KiB
HTML
57 lines
1.6 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<!--
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https://bugzilla.mozilla.org/show_bug.cgi?id=785588
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-->
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<head>
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<title>Test for Bug 785588 --- ordering of scroll-related events</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="text/javascript" src="/tests/SimpleTest/EventUtils.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=785588">Mozilla Bug 785588</a>
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<div id="content">
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<div id="d" style="border:2px solid black; width:100px; height:100px; overflow:auto">
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<div id="inner" style="height:200px;">Hello</div>
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</div>
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</div>
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<pre id="test">
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<script>
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SimpleTest.waitForExplicitFinish();
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var smoothScrollPref = "general.smoothScroll";
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SpecialPowers.setBoolPref(smoothScrollPref, false);
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var d = document.getElementById("d");
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d.scrollTop = 0;
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var inner = document.getElementById("inner");
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var state = "initial";
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function onFrame() {
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is(state, "initial", "Must be in initial state");
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ok(d.scrollTop > 0, "Must have scrolled by some amount (got " + d.scrollTop + ")");
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state = "didOnFrame";
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}
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function onScroll() {
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is(state, "didOnFrame", "Must have got requestAnimationFrame callback already");
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ok(d.scrollTop > 0, "Must have scrolled by some amount (got " + d.scrollTop + ")");
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SpecialPowers.clearUserPref(smoothScrollPref);
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SimpleTest.finish();
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}
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function doTest() {
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window.getSelection().collapse(inner.firstChild, 0);
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window.mozRequestAnimationFrame(onFrame);
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d.onscroll = onScroll;
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sendKey("DOWN");
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}
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SimpleTest.waitForFocus(doTest);
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</script>
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</pre>
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</body>
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</html>
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