test_performance_server_timing_plain_http.html

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<!--

  Any copyright is dedicated to the Public Domain.

  http://creativecommons.org/publicdomain/zero/1.0/

-->

<!DOCTYPE html>

<html>

<head>

<meta charset=utf-8>

<title>Plain HTTP Test for PerformanceServerTiming</title>

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

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

</head>

<body>

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

<script>

function makeXHR(aUrl) {

  var xmlhttp = new XMLHttpRequest();

  xmlhttp.open("get", aUrl, true);

  xmlhttp.send();

promise_test(t => {

  var promise = new Promise(resolve => {

    performance.clearResourceTimings();

    var observer = new PerformanceObserver(list => resolve(list));

    observer.observe({entryTypes: ['resource']});

    t.add_cleanup(() => observer.disconnect());

});

  makeXHR("serverTiming.sjs");

  return promise.then(list => {

    assert_equals(list.getEntries().length, 1);

    assert_equals(list.getEntries()[0].serverTiming, undefined);

    assert_equals(list.getEntries()[0].toJSON().serverTiming, undefined,

		  "toJSON should not pick up properties that aren't on the object");

});

}, "server-timing test");

</script>

</body>