[go: nahoru, domu]

blob: d9ab94cc900e70f7bc4c43c85f73cdbe4fb0635c [file] [log] [blame]
<!doctype html>
<script src="../resources/testharness.js"></script>
<script src="../resources/testharnessreport.js"></script>
<link rel="stylesheet" href="resources/style.css">
<link rel="stylesheet" href="resources/non_exist.css">
<p id="test">text</p>
<script>
promise_test(async () => {
// Wait until styles are applied so that the text should have color green
// as specified in the style.css file.
const checkStyle = async () => {
const element = document.getElementById('test');
return new Promise(resolve => {
const interval = setInterval(() => {
if (getComputedStyle(element).getPropertyValue('color')
== 'rgb(0, 128, 0)') {
clearInterval(interval);
resolve();
}
}, 10);
});
};
await checkStyle();
// At this point, we know the style.css file has been loaded as the styles are
// already applied. We then verify that no resource timing entries corresponding
// css files are emitted.
new PerformanceObserver((list) => {
if (list.getEntries().filter(e => e.name.includes('css')).length > 0) {
assert_unreached();
}
}).observe({ type: 'resource', buffered: true });
assert_equals(
performance.getEntriesByType('resource').filter(e => e.name.includes('css')).length, 0);
}, 'Resources fetched via file protocol should have no resource timing entries,\
regardless fetching success or failure');
</script>