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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Navigation Timing 2 WPT</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script>
setup({ single_test: true });
var reload_frame;
// Array of navigation timing entries dependent on Document Load Timing.
var navTimingAttributes = [
'fetchStart',
'loadEventEnd',
'loadEventStart',
'redirectCount',
'redirectEnd',
'redirectStart',
'responseEnd',
'unloadEventEnd',
'unloadEventStart',
];
// Function to run the test when the page loads.
function onload_test() {
reload_frame = document.getElementById("frameContext");
reload_frame.onload = function() {
step_timeout(do_test, 0);
}
step_timeout(reload_the_frame, 0);
}
/*
Function to reload the iframe and observe values for navigation timing entries:
redirectStart, redirectEnd and redirectCount dependent on Document Load Timing.
*/
function reload_the_frame() {
reload_frame.contentWindow.location.href =
"/common/redirect.py?location=/navigation-timing/resources/blank-page-green.html";
}
/*
Function to obtain navigation timing entries and,
check if the values are greater than 0.
*/
function do_test() {
var nav_frame = document.getElementById("frameContext").contentWindow;
var pnt1 = nav_frame.performance.getEntriesByType("navigation")[0];
for (i in navTimingAttributes) {
assert_greater_than(pnt1[navTimingAttributes[i]], 0,
`Expected navigation timing entries: ${navTimingAttributes[i]} greater than 0`);
}
step_timeout(remove, 0);
done(); // Avoids scripting errors
}
/*
Function to remove the iframe from the parent body and,
check if the navigation timing entries of detached iframe are 0.
*/
function remove() {
var nav_frame = document.getElementById("frameContext").contentWindow;
var pnt1 = nav_frame.performance.getEntriesByType("navigation")[0];
document.body.removeChild(document.getElementById("frameContext"));
for (i in navTimingAttributes) {
assert_equals(pnt1[navTimingAttributes[i]], 0,
`${navTimingAttributes[i]} dependent on Document Load Timing: returns 0`);
}
}
</script>
</head>
<body onload="onload_test();">
<h1>Description</h1>
<p>This test observes values of navigation timing entries,</p>
<p>dependent on Document Load Timing for a detached iframe.</p>
<br />
<p>This page should be loaded with a green background frame below,</p>
<p>which disappears after the iframe is detached.</p>
<br />
<iframe id="frameContext"
src="/navigation-timing/resources/blank-page-green.html"
style="width: 250px; height: 250px;"></iframe>
</body>
</html>
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