gecko/widget/tests/test_plugin_scroll_consistency.html

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<html>
<head>
<title>Test for plugin child widgets not being messed up by scrolling</title>
<script type="text/javascript"
src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css"
href="chrome://mochikit/content/tests/SimpleTest/test.css" />
</head>
<body onload="setTimeout(runTests, 0)">
<p id="display">
<div style="overflow:hidden; height:100px;" id="scroll">
<embed type="application/x-test" wmode="window" width="100" height="800" id="plugin"></object>
<div style="height:1000px;"></div>
</div>
</p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
<script class="testbody" type="application/javascript">
SimpleTest.waitForExplicitFinish();
var plugin = document.getElementById("plugin");
function consistencyCheck(state) {
var s = plugin.doInternalConsistencyCheck();
ok(s == "", "Consistency check: " + state + ": " + s);
}
consistencyCheck("Initial state");
function runTests()
{
var scroll = document.getElementById("scroll");
scroll.scrollTop = 10;
consistencyCheck("Scrolled down a bit");
setTimeout(function() {
consistencyCheck("Before scrolling back to top");
scroll.scrollTop = 0;
consistencyCheck("Scrolled to top");
setTimeout(function() {
consistencyCheck("After scrolling to top");
SimpleTest.finish();
}, 0);
}, 0);
}
</script>
</body>
</html>