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<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>window.performance.navigation attributes</title>
<link rel="author" title="Mozilla" href="https://www.mozilla.org/" />
<link rel="help" href="https://www.w3.org/TR/navigation-timing-2/#processing-model"/>
<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>
</head>
<body>
<h1>Description</h1>
<p>This test checks that the transferSize, encodedBodySize and decodedBodySize attributes have correct values when checked in the onload handler</p>
<div id="log"></div>
<script>
async_test(function (t) {
document.addEventListener("DOMContentLoaded", t.step_func_done(() => {
let entry = window.performance.getEntriesByType("navigation")[0];
assert_greater_than(entry.transferSize, 1000, "descr");
assert_greater_than(entry.encodedBodySize, 1000, "descr");
assert_greater_than(entry.decodedBodySize, 1000, "descr");
}));
}, "Test that the attributes have a proper value during DOMContentLoaded");
async_test(function (t) {
window.addEventListener("load", t.step_func_done(() => {
let entry = window.performance.getEntriesByType("navigation")[0];
assert_greater_than(entry.transferSize, 1000, "descr");
assert_greater_than(entry.encodedBodySize, 1000, "descr");
assert_greater_than(entry.decodedBodySize, 1000, "descr");
async_test(function (t) {
setTimeout(t.step_func_done(() => {
let entry = window.performance.getEntriesByType("navigation")[0];
assert_greater_than(entry.transferSize, 1000, "descr");
assert_greater_than(entry.encodedBodySize, 1000, "descr");
assert_greater_than(entry.decodedBodySize, 1000, "descr");
}), 0);
}, "Test that the attributes have a proper value during a task after onload");
}));
}, "Test that the attributes have a proper value during onload");
</script>
</body>
</html>
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