resource_reparenting.html

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This test has a WPT meta file that expects 1 subtest issues.
This WPT test may be referenced by the following Test IDs:
- /resource-timing/resource_reparenting.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<head>

<meta charset="utf-8" />

<title>Resource Timing reparenting elements</title>

<link rel="author" title="Google" href="http://www.google.com/" />

<link rel="help" href="http://www.w3.org/TR/resource-timing/#dom-performanceresourcetiming-initiatortype"/>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="resources/webperftestharness.js"></script>

<script src="resources/webperftestharnessextension.js"></script>

<script>

let iframe;

function setup_iframe() {

    iframe = document.getElementById('frameContext');

    const d = iframe.contentWindow.document;

    const iframeBody = d.createElement('body');

    const move_to_parent = d.createElement('img');

    move_to_parent.src = 'blue.png?id=move_to_parent';

    iframeBody.appendChild(move_to_parent);

    iframeBody.removeChild(move_to_parent);

    const parentBody = document.getElementsByTagName('body')[0];

    parentBody.appendChild(move_to_parent);

    const move_to_child = document.createElement('img');

    move_to_child.src = 'blue.png?id=move_to_child';

    parentBody.appendChild(move_to_child);

    parentBody.removeChild(move_to_child);

    iframeBody.appendChild(move_to_child);

function onload_test() {

    const context = new PerformanceContext(iframe.contentWindow.performance);

    const entries = context.getEntriesByType('resource');

    const index = window.location.pathname.lastIndexOf('/');

    const pathname = window.location.pathname.substring(0, index);

    let expected_entries = {};

    expected_entries[pathname + '/resources/blue.png?id=move_to_child'] = 'img';

    test_resource_entries(entries, expected_entries);

window.setup_iframe = setup_iframe;

</script>

</head>

<body>

<h1>Description</h1>

<p>This test validates that reparenting an element doesn't change the initiator document.</p>

<div id="log"></div>

<iframe id="frameContext" onload="onload_test();" src="resources/inject_resource_test.html"></iframe>

</body>

</html>