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Test Info:
- This WPT test may be referenced by the following Test IDs:
- /navigation-timing/test-no-previous-document.html - WPT Dashboard Interop Dashboard
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>window.performance.timing attributes on an initial navigation</title>
<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});
var frame;
function onload_test()
{
frame = document.getElementById("frameContext");
test_namespace('navigation');
if (performanceNamespace)
{
test_true(frame.contentWindow.performance.navigation.type == performanceNamespace.navigation.TYPE_NAVIGATE,
'timing.navigation.type is TYPE_NAVIGATE');
test_equals(frame.contentWindow.performance.timing.unloadEventStart, 0, 'timing.unloadEventStart == 0 on navigation with no previous document');
test_equals(frame.contentWindow.performance.timing.unloadEventEnd, 0, 'timing.unloadEventEnd == 0 navigation with no previous document');
}
done();
}
</script>
</head>
<body onload="onload_test();">
<h1>Description</h1>
<p>This test validates the unload event times are 0 when there is no previous document.</p>
<div id="log"></div><br />
<iframe id="frameContext" src="resources/blank_page_green.html" style="width: 250px; height: 250px;"></iframe>
</body>
</html>