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test_viewport_scroll.html
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test_viewport_scroll.html
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<!DOCTYPE HTML>
<html>
<head>
<title>Test for mapping of scrollTop/scrollLeft to viewport</title>
<script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body onload="doTest()">
<p id="display"></p>
<iframe id="quirks"></iframe>
<iframe id="standards"></iframe>
<iframe id="xml"></iframe>
<pre id="test">
<script type="application/javascript">
SimpleTest.waitForExplicitFinish();
var quirks = document.getElementById("quirks");
var standards = document.getElementById("standards");
var xml = document.getElementById("xml");
quirks.src = "data:text/html,<html><body style='height:2000px; width:2000px;'>";
standards.src = "data:text/html,<!DOCTYPE HTML><html><body style='height:2000px; width:2000px;'>";
xml.src = "data:text/xml,<?xml-stylesheet href='data:text/css,html { display:block; height:2000px; width:2000px; }'?><foo><html></html></foo>";
function subtest(winProp, elemProp, win, correctElement, elemToSet, otherElem1, otherElem2) {
win.scrollTo(50, 50);
elemToSet[elemProp] = 100;
if (elemToSet == correctElement) {
is(win[winProp], 100, "Setting " + elemToSet.name + "." + elemProp + " should scroll");
is(elemToSet[elemProp], 100, "Reading back " + elemToSet.name + "." + elemProp + " after scrolling");
} else {
is(win[winProp], 50, "Setting " + elemToSet.name + "." + elemProp + " should not scroll");
is(elemToSet[elemProp], 0, "Reading back " + elemToSet.name + "." + elemProp + " after not scrolling");
}
if (otherElem1 == correctElement) {
is(otherElem1[elemProp], 50, "Reading back " + otherElem1.name + "." + elemProp + " (correct element) after not scrolling");
} else {
is(otherElem1[elemProp], 0, "Reading back " + otherElem1.name + "." + elemProp + " (irrelevant element)");
}
if (otherElem2 == correctElement) {
is(otherElem2[elemProp], 50, "Reading back " + otherElem2.name + "." + elemProp + " (correct element) after not scrolling");
} else {
is(otherElem2[elemProp], 0, "Reading back " + otherElem2.name + "." + elemProp + " (irrelevant element)");
}
}
function testScroll(winProp, elemProp, win, elemToSet, otherElem1, otherElem2) {
subtest(winProp, elemProp, win, elemToSet, elemToSet, otherElem1, otherElem2);
subtest(winProp, elemProp, win, elemToSet, otherElem1, elemToSet, otherElem2);
subtest(winProp, elemProp, win, elemToSet, otherElem2, elemToSet, otherElem1);
}
function doTest() {
var quirksRoot = quirks.contentDocument.documentElement;
quirksRoot.name = "quirks HTML";
var quirksBody = quirks.contentDocument.body;
quirksBody.name = "quirks BODY";
var quirksBody2 = quirks.contentDocument.createElement("body");
quirksBody2.name = "quirks other BODY";
quirksRoot.appendChild(quirksBody2);
testScroll("scrollX", "scrollLeft", quirks.contentWindow, quirksBody, quirksRoot, quirksBody2);
testScroll("scrollY", "scrollTop", quirks.contentWindow, quirksBody, quirksRoot, quirksBody2);
var standardsRoot = standards.contentDocument.documentElement;
standardsRoot.name = "standards HTML";
var standardsBody = standards.contentDocument.body;
standardsBody.name = "standards BODY";
var standardsBody2 = standards.contentDocument.createElement("body");
standardsBody2.name = "standards other BODY";
standardsRoot.appendChild(standardsBody2);
testScroll("scrollX", "scrollLeft", standards.contentWindow, standardsRoot, standardsBody, standardsBody2);
testScroll("scrollY", "scrollTop", standards.contentWindow, standardsRoot, standardsBody, standardsBody2);
var xmlRoot = xml.contentDocument.documentElement;
xmlRoot.name = "XML root";
var xmlOther = xmlRoot.firstChild;
xmlOther.name = "XML other";
testScroll("scrollX", "scrollLeft", xml.contentWindow, xmlRoot, xmlOther, xmlOther);
testScroll("scrollY", "scrollTop", xml.contentWindow, xmlRoot, xmlOther, xmlOther);
SimpleTest.finish();
}
</script>
</pre>
</body>
</html>