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Automatic update from web-platform-tests Align resource timing buffer full processing to spec PR 168 (take 3) This change implements the processing model from PR 168[1], when it comes to setResourceTimingBufferSize(), clearResourceTimings() and the firing of the resourcetimingbufferfull event. This is a reland of [2] which is a reland of [3] (but with nicer tests). [1] https://github.com/w3c/resource-timing/pull/168 [2] https://chromium-review.googlesource.com/c/chromium/src/+/1350950 [3] https://chromium-review.googlesource.com/c/chromium/src/+/1345269 Bug: 908181, 908414 Change-Id: I3a6c6e9d6a9aa5b5f907d1e86bec701ff2fa022d Reviewed-on: https://chromium-review.googlesource.com/c/1373819 Reviewed-by: Nicolás Peña Moreno <npm@chromium.org> Commit-Queue: Yoav Weiss <yoavweiss@chromium.org> Cr-Commit-Position: refs/heads/master@{#615929} -- wpt-commits: 79001b1d0d4a111b7f44608404d7b5504d755a1c wpt-pr: 14479
56 lines
2.6 KiB
HTML
56 lines
2.6 KiB
HTML
<!DOCTYPE HTML>
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<html>
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<head onload>
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<meta charset="utf-8" />
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<title>This test validates the buffer doesn't contain more entries than it should inside onresourcetimingbufferfull callback.</title>
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<link rel="help" href="http://www.w3.org/TR/resource-timing/#performanceresourcetiming"/>
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<script src="/resources/testharness.js"></script>
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<script src="/resources/testharnessreport.js"></script>
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<script src="resources/buffer-full-utilities.js"></script>
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</head>
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<body>
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<script>
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let resource_timing_buffer_size = 2;
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let eventFired = false;
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setup(() => {
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clearBufferAndSetSize(resource_timing_buffer_size);
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var resize = function() {
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assert_equals(performance.getEntriesByType("resource").length, resource_timing_buffer_size, "resource timing buffer in resourcetimingbufferfull is the size of the limit");
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++resource_timing_buffer_size;
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performance.setResourceTimingBufferSize(resource_timing_buffer_size);
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xhrScript("resources/empty.js?xhr");
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assert_equals(performance.getEntriesByType("resource").length, resource_timing_buffer_size - 1, "A sync request was not added to the primary buffer just yet, because it is full");
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++resource_timing_buffer_size;
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performance.setResourceTimingBufferSize(resource_timing_buffer_size);
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eventFired = true;
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}
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performance.addEventListener('resourcetimingbufferfull', resize);
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});
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let overflowTheBuffer = () => {
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return new Promise(resolve => {
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// This resource overflows the entry buffer, and goes into the secondary buffer.
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appendScript('resources/empty_script.js', resolve);
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});
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};
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let testThatBufferContainsTheRightResources = () => {
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let entries = performance.getEntriesByType('resource');
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assert_equals(entries.length, resource_timing_buffer_size,
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'All 4 entries should be stored in resource timing buffer.');
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assert_true(entries[0].name.includes('empty.js'), "empty.js is in the entries buffer");
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assert_true(entries[1].name.includes('empty.js?second'), "empty.js?second is in the entries buffer");
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assert_true(entries[2].name.includes('empty_script.js'), "empty_script.js is in the entries buffer");
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assert_true(entries[3].name.includes('empty.js?xhr'), "empty.js?xhr is in the entries buffer");
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};
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promise_test(async () => {
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await fillUpTheBufferWithTwoResources('resources/empty.js');
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await overflowTheBuffer();
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await waitForEventToFire();
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testThatBufferContainsTheRightResources();
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}, "Test that entries in the secondary buffer are not exposed during the callback and before they are copied to the primary buffer");
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</script>
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</body>
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</html>
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