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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>window.performance.timing for dynamically created documents</title>
<link rel="author" title="Microsoft" href="http://www.microsoft.com/" />
<link rel="help" href="http://www.w3.org/TR/navigation-timing/#sec-navigation-timing-interface"/>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/common/performance-timeline-utils.js"></script>
<script src="resources/webperftestharness.js"></script>
<script>
setup({explicit_done: true});
// explicitly test the namespace before we start testing
test_namespace();
var originalTiming = {};
var didOpen = false;
function onload_test() {
if (!didOpen) {
step_timeout(testTimingWithDocumentOpen, 0);
didOpen = true;
}
}
function testTimingWithDocumentOpen() {
var subcontentWindow = document.getElementById("frameContext").contentWindow;
if (subcontentWindow.performance === undefined)
{
// avoid script errors
done();
return;
}
var timing = subcontentWindow.performance.timing;
for (i in timingAttributes) {
originalTiming[timingAttributes[i]] = timing[timingAttributes[i]];
}
var subdocument = subcontentWindow.document;
subdocument.open();
subdocument.write('<!DOCTYPE HTML>');
subdocument.write('<html>');
subdocument.write('<head>');
subdocument.write('<meta charset="utf-8" />');
subdocument.write('<title><Green Test Page</title>');
subdocument.write('</head>');
subdocument.write('<body style="background-color:#00FF00;">');
subdocument.write('</body>');
subdocument.write('</html>');
subdocument.close();
step_timeout(function() {
var timing = subcontentWindow.performance.timing;
for (var i in timingAttributes) {
test_equals(timing[timingAttributes[i]],
originalTiming[timingAttributes[i]],
timingAttributes[i] + " is the same after document open.");
}
done();
}, 0);
}
</script>
</head>
<body>
<h1>Description</h1>
<p>This test validates window.performance.timing remains constant when a
document is replaced using document.open.</p>
<p>This page should be loaded with a yellow frame below. It then replaces the
document in that frame with a green document.</p>
<p>The test passes if all of the checks to performance.timing are correct and
the frame below ends with a green background.</p>
<div id="log"></div>
<br />
<iframe id="frameContext" onload="onload_test();" src="resources/blank_page_yellow.html" style="width: 250px; height: 250px;"></iframe>
</body>
</html>
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