2012-08-29 15:21:40 +04:00
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<!DOCTYPE HTML>
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<html>
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<head>
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<title>Test bug 784410</title>
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<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
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<script type="application/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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<p id="display"></p>
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<div id="outer" style="overflow:auto; height:200px; border:2px dotted black;" onscroll="doneScroll()">
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<div id="d" style="overflow:auto; height:102px;" onscroll="doneScroll()">
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<div id="inner" style="height:100.1px; border:1px solid black; background:yellow;">Hello</div>
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</div>
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<div style="height:500px;"></div>
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</div>
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<pre id="test">
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<script class="testbody" type="text/javascript;version=1.7">
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var sel = window.getSelection();
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var outer = document.getElementById("outer");
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var d = document.getElementById("d");
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var inner = document.getElementById("inner");
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var smoothScrollPref = "general.smoothScroll";
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function innerScrollOffset() {
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return inner.getBoundingClientRect().top - d.getBoundingClientRect().top;
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}
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var innerStartScrollOffset = innerScrollOffset();
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2012-09-13 08:13:19 +04:00
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var step = 0;
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2012-08-29 15:21:40 +04:00
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function doneScroll() {
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2012-09-13 08:13:19 +04:00
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++step;
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switch (step) {
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case 1:
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is(innerScrollOffset(), innerStartScrollOffset, "Inner element should not have scrolled down");
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ok(outer.scrollTop > 0, "Outer element should have scrolled down");
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outer.scrollTop = 0;
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break;
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case 2:
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synthesizeWheel(inner, 4, 4,
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{ deltaMode: WheelEvent.DOM_DELTA_LINE, deltaY: 1 });
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break;
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case 3:
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is(innerScrollOffset(), innerStartScrollOffset, "Inner element should not have scrolled down");
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ok(outer.scrollTop > 0, "Outer element should have scrolled down");
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SpecialPowers.clearUserPref(smoothScrollPref);
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SimpleTest.finish();
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break;
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2012-08-29 15:21:40 +04:00
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}
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}
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function test() {
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SpecialPowers.setBoolPref(smoothScrollPref, false);
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sel.collapse(inner.firstChild, 2);
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synthesizeKey("VK_PAGE_DOWN", {});
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}
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SimpleTest.waitForExplicitFinish();
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SimpleTest.waitForFocus(test);
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</script>
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</pre>
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</body>
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</html>
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