gecko/dom/plugins/test/mochitest/test_zero_opacity.html

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<!DOCTYPE html>
<html>
<head>
<title>Test whether windowed plugins with opacity:0 get their window set correctly</title>
<script type="text/javascript" src="/MochiKit/packed.js"></script>
<script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
<body onload="startTest()">
<p id="display"></p>
<embed id="theplugin" type="application/x-test" width="100" height="50" style="opacity:0" wmode="window"></embed>
<script type="application/javascript;version=1.8">
SimpleTest.waitForExplicitFinish();
var p = document.getElementById('theplugin');
function startTest() {
if (!p.hasWidget()) {
todo(false, "This test is only relevant for windowed plugins");
SimpleTest.finish();
return;
}
// Wait for the plugin to have painted once.
var interval = setInterval(function() {
if (!p.getPaintCount())
return;
clearInterval(interval);
doTest();
SimpleTest.finish();
}, 100);
}
function doTest() {
is(p.getClipRegionRectCount(), 1, "getClipRegionRectCount should be a single rect");
is(p.getClipRegionRectEdge(0,2) - p.getClipRegionRectEdge(0,0), 100, "width of clip region rect");
is(p.getClipRegionRectEdge(0,3) - p.getClipRegionRectEdge(0,1), 50, "height of clip region rect");
}
</script>