khronosschoty
/
palemoon-dev


			
				
					
						
						
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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>Test for performance observer</title>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
</head>
<body>
<div id="log"></div>
<script src="test_performance_observer.js"></script>
<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("test-data.json");

  return promise.then(list => {
    assert_equals(list.getEntries().length, 1);
    assert_array_equals(list.getEntries(),
                        performance.getEntriesByType("resource"),
                        "Observed 'resource' entries should equal to entries obtained by getEntriesByType.");

    // getEntries filtering tests
    assert_array_equals(list.getEntries({name: "http://mochi.test:8888/tests/dom/base/test/test-data.json"}),
                        performance.getEntriesByName("http://mochi.test:8888/tests/dom/base/test/test-data.json"),
                        "getEntries with name filter should return correct results.");
    assert_array_equals(list.getEntries({entryType: "resource"}),
                        performance.getEntriesByType("resource"),
                        "getEntries with entryType filter should return correct results.");
    assert_array_equals(list.getEntries({initiatorType: "xmlhttprequest"}),
                        performance.getEntriesByType("resource"),
                        "getEntries with initiatorType filter should return correct results.");
    assert_array_equals(list.getEntries({initiatorType: "link"}),
                        [],
                        "getEntries with non-existent initiatorType filter should return an empty array.");
  });
}, "resource-timing test");

</script>
</body>