Revision 08c935c755a5f9cc0ef8a7b9f56091e5d2b040d9 authored by Kent Tamura on 13 April 2018, 04:39:21 UTC, committed by Blink WPT Bot on 13 April 2018, 05:02:00 UTC
Intent-to-implement-and-ship: https://groups.google.com/a/chromium.org/forum/#!topic/blink-dev/zCQe7UkR07w Bug: 819482 Change-Id: I5645d5711d7fe1323992533e6c73593ba59d1bca Reviewed-on: https://chromium-review.googlesource.com/1009450 Reviewed-by: Hayato Ito <hayato@chromium.org> Commit-Queue: Kent Tamura <tkent@chromium.org> Cr-Commit-Position: refs/heads/master@{#550513}
1 parent bdcafae
first-paint-bg-color.html
<!DOCTYPE html>
<head>
<title>Performance Paint Timing Test: FP due to background color</title>
</head>
<body>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<div id="main"></div>
</body>
<footer>
<script>
async_test(function (t) {
document.body.style.backgroundColor = "#AA0000";
function testPaintEntries() {
const bufferedEntries = performance.getEntriesByType('paint');
if (bufferedEntries.length < 1) {
t.step_timeout(function() {
testPaintEntries();
}, 20);
return;
}
t.step(function() {
assert_equals(bufferedEntries.length, 1, "FP should fire for background color, not FCP");
assert_equals(bufferedEntries[0].entryType, "paint");
assert_equals(bufferedEntries[0].name, "first-paint");
t.done();
});
}
t.step(function() {
testPaintEntries();
})
}, "First paint fires due to background color. No FCP");
</script>
<footer>
</html>
![swh spinner](/static/img/swh-spinner.gif)
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