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Update web-platform-tests to revision 9c2bea6dac36e36ba1f489d10c2be42160d8f34f

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WPT Sync Bot 2018-11-27 21:07:27 -05:00
parent 482923cec2
commit 5c371dd958
459 changed files with 10717 additions and 834 deletions
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49
tests/wpt/web-platform-tests/resource-timing/buffer-full-add-then-clear.html Normal file
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<!DOCTYPE HTML>
<html>
<head onload>
<meta charset="utf-8" />
<title>This test validates that synchronously adding entries in onresourcetimingbufferfull callback results in these entries being properly handled.</title>
<link rel="help" href="http://www.w3.org/TR/resource-timing/#performanceresourcetiming"/>
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="resources/buffer-full-utilities.js"></script>
</head>
<body>
<script>
const resource_timing_buffer_size = 1;
setup(() => {
// Get the browser into a consistent state.
clearBufferAndSetSize(resource_timing_buffer_size);
performance.addEventListener('resourcetimingbufferfull', () => { assert_unreached("resourcetimingbufferfull should not fire")});
});
let overflowTheBuffer = () => {
// These resources overflow the entry buffer, and go into the secondary buffer.
xhrScript('resources/empty.js?xhr2');
xhrScript('resources/empty.js?xhr3');
performance.clearResourceTimings();
performance.setResourceTimingBufferSize(3);
xhrScript('resources/empty.js?xhr4');
window.entriesAfterAddition = performance.getEntriesByType('resource');
};
let testThatBufferContainsTheRightResources = () => {
let entries = performance.getEntriesByType('resource');
assert_equals(entries.length, 3,
'the last 3 resources should be in the buffer, since the first one was cleared');
assert_true(entries[0].name.includes('empty.js?xhr2'), "empty.js?xhr2 is in the entries buffer");
assert_true(entries[1].name.includes('empty.js?xhr3'), "empty.js?xhr3 is in the entries buffer");
assert_true(entries[2].name.includes('empty.js?xhr4'), "empty.js?xhr4 is in the entries buffer");
assert_equals(entriesAfterAddition.length, 0, "No entries should have been added to the primary buffer before the task to 'fire a buffer full event'.");
};
promise_test(async () => {
await fillUpTheBufferWithSingleResource("resources/empty.js");
overflowTheBuffer();
await waitForNextTask();
testThatBufferContainsTheRightResources();
}, "Test that if the buffer is cleared after entries were added to the secondary buffer, those entries make it into the primary one");
</script>
</body>
</html>