blob: eb2240478907ee8f920205f087e6b9d3c2cbd86c [file] [log] [blame]
<!DOCTYPE html>
<html>
<body>
<script src="/resources/js-test-pre.js"></script>
<script>
description('This tests clearing the resource timing buffer during a resourcetimingbufferfull event.<br>'
+ 'WebKit should not hit a release assertion.');
function startTest()
{
performance.clearResourceTimings();
shouldBe('performance.getEntriesByType("resource").length', '0');
evalAndLog('performance.setResourceTimingBufferSize(2)');
evalAndLog('fetchImages(3).then(checkInitialState)');
}
let resourceIndex = 0;
async function fetchImages(count)
{
for (let i = 0; i < count; i++, resourceIndex++)
await fetch(`../../resources/square100.png?resource=${resourceIndex}`);
}
async function checkInitialState()
{
shouldBe('originalResources = performance.getEntriesByType("resource"); originalResources.length', '2');
shouldBeEqualToString('originalResources[0].initiatorType', 'fetch');
shouldBeEqualToString('new URL(originalResources[0].name).search', '?resource=0');
shouldBeEqualToString('originalResources[1].initiatorType', 'fetch');
shouldBeEqualToString('new URL(originalResources[1].name).search', '?resource=1');
shouldBe('resourcetimingbufferfullEventCount', '0');
}
let resourcetimingbufferfullEventCount = 0;
performance.onresourcetimingbufferfull = () => {
resourcetimingbufferfullEventCount++;
debug('');
debug(`Inside resourcetimingbufferfull ${resourcetimingbufferfullEventCount}`);
if (resourcetimingbufferfullEventCount == 1) {
evalAndLog('performance.setResourceTimingBufferSize(1)');
shouldBe('resourcesAfterShrinkingBuffer = performance.getEntriesByType("resource"); resourcesAfterShrinkingBuffer.length', '2');
shouldBe('resourcesAfterShrinkingBuffer[0]', 'originalResources[0]');
shouldBe('resourcesAfterShrinkingBuffer[1]', 'originalResources[1]');
} else if (resourcetimingbufferfullEventCount == 2) {
shouldBe('performance.clearResourceTimings(); performance.getEntriesByType("resource").length', '0');
setTimeout(() => {
debug('');
debug('After resourcetimingbufferfull');
shouldBe('resourcetimingbufferfullEventCount', '2');
shouldBe('resourcesAfterClearing = performance.getEntriesByType("resource"); resourcesAfterClearing.length', '1');
shouldBeEqualToString('resourcesAfterClearing[0].initiatorType', 'fetch');
shouldBeEqualToString('new URL(resourcesAfterClearing[0].name).search', '?resource=2');
finishJSTest();
}, 0);
}
}
var jsTestIsAsync = true;
window.onload = startTest;
</script>
<script src="/resources/js-test-post.js"></script>
</body>
</html>