[resource-timing] Revamp buffer_full_when_shrink_buffer_size.html

Bug: 1171767 Change-Id: I08ff6c59f18c339e98709a3c8262805477c2dce3 Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2964112 Commit-Queue: Yoav Weiss <yoavweiss@chromium.org> Reviewed-by: Tom McKee <tommckee@chromium.org> Cr-Commit-Position: refs/heads/master@{#892675}
marcosholgado · Jun 15, 2021 · 85cbd2c · 85cbd2c
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diff --git a/third_party/blink/web_tests/external/wpt/resource-timing/buffer-full-then-decreased.html b/third_party/blink/web_tests/external/wpt/resource-timing/buffer-full-then-decreased.html
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+<!DOCTYPE HTML>
+<html>
+<head>
+<meta charset="utf-8" />
+<title>This test validates that reducing the buffer size after entries were
+  queued does not drop those entries, nor does it call the
+  resourcetimingbufferfull event callback.</title>
+<link rel="author" title="Google" href="http://www.google.com/" />
+<link rel="help"
+ href="https://www.w3.org/TR/resource-timing-2/#dom-performance-onresourcetimingbufferfull"/>
+<script src="/resources/testharness.js"></script>
+<script src="/resources/testharnessreport.js"></script>
+<script src="resources/resource-loaders.js"></script>
+<script src="resources/buffer-full-utilities.js"></script>
+</head>
+<body>
+<script>
+promise_test(async t => {
+    addAssertUnreachedBufferFull(t);
+    await fillUpTheBufferWithTwoResources();
+    performance.setResourceTimingBufferSize(1);
+    await waitForNextTask();
+    checkEntries(2);
+}, "Test that if the buffer is reduced after entries were added to it, those" +
+   " entries don't get cleared, nor is the resourcetimingbufferfull event" +
+   " being called.");
+</script>
+</body>
+</html>
diff --git a/...sts/external/wpt/resource-timing/resource_timing_buffer_full_when_shrink_buffer_size.html b/...sts/external/wpt/resource-timing/resource_timing_buffer_full_when_shrink_buffer_size.html