2012-09-05 14:29:15 +04:00
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<!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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2019-04-16 06:50:44 +03:00
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<script src="/tests/SimpleTest/EventUtils.js"></script>
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2012-09-05 14:29:15 +04:00
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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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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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2018-01-30 02:22:47 +03:00
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is(state, "didOnScroll", "Must have got scroll event already");
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2012-09-05 14:29:15 +04:00
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state = "didOnFrame";
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2018-01-30 02:22:47 +03:00
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SimpleTest.finish();
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2012-09-05 14:29:15 +04:00
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}
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function onScroll() {
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2018-01-30 02:22:47 +03:00
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is(state, "initial", "Must be in initial state");
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2012-09-05 14:29:15 +04:00
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ok(d.scrollTop > 0, "Must have scrolled by some amount (got " + d.scrollTop + ")");
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2018-01-30 02:22:47 +03:00
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state = "didOnScroll";
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2012-09-05 14:29:15 +04:00
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}
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function doTest() {
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window.getSelection().collapse(inner.firstChild, 0);
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2015-07-14 22:28:58 +03:00
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window.requestAnimationFrame(onFrame);
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2012-09-05 14:29:15 +04:00
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d.onscroll = onScroll;
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2020-09-08 11:12:25 +03:00
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d.scroll(0, 100);
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2012-09-05 14:29:15 +04:00
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}
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2015-04-21 19:44:43 +03:00
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function prepareTest() {
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// Start the test after we've gotten at least one rAF callback, to make sure
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// that rAF is no longer throttled. (See bug 1145439.)
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2015-07-14 22:28:58 +03:00
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window.requestAnimationFrame(function() {
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2015-04-21 19:44:43 +03:00
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SpecialPowers.pushPrefEnv({"set":[[smoothScrollPref, false]]}, doTest);
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});
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}
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SimpleTest.waitForFocus(prepareTest);
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2012-09-05 14:29:15 +04:00
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</script>
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</pre>
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</body>
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</html>
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