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<!--
Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/
-->
<!DOCTYPE HTML>
<html>
<!--
https://bugzilla.mozilla.org/show_bug.cgi?id=1518999
-->
<head>
<title>Test for Bug 1518999</title>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
</head>
<body>
<div id="main"></div>
<div id="image"></div>
<div id="test">
<script class="testbody" type="text/javascript">
async function runTest() {
const paintEntries = performance.getEntriesByType('paint');
opener.is(paintEntries.length, 0, "No paint entries yet");
const img = document.createElement("img");
img.src = "http://example.org/tests/dom/performance/tests/logo.png";
img.onload = function() {
function getAndTestEntries(runCount) {
function testEntries(entries) {
opener.is(entries.length, 1, "FCP Only returns");
opener.is(entries[0].entryType, "paint", "entryType is paint");
opener.is(entries[0].name, "first-contentful-paint",
"Returned entry should be first-contentful-paint" );
const fcpEntriesGotByName =
performance.getEntriesByName('first-contentful-paint');
opener.is(fcpEntriesGotByName.length, 1, "entries length should match");
opener.is(entries[0], fcpEntriesGotByName[0], "should be the same entry");
opener.done();
}
const entries = performance.getEntriesByType('paint');
if (entries.length < 1) {
if (runCount < 4) {
opener.SimpleTest.requestFlakyTimeout("FCP is being registered asynchronously, so wait a bit of time");
setTimeout(function() {
getAndTestEntries(runCount + 1);
}, 20);
} else {
opener.ok(false, "Unable to find paint entries within a reasonable amount of time");
opener.done();
}
} else {
testEntries(entries);
}
}
getAndTestEntries(1);
}
document.body.appendChild(img);
}
window.onload = function() {
runTest();
}
</script>
</div>
</div>
</body>
</html>
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