1 files changed, 30 insertions, 0 deletions
diff --git a/testing/web-platform/tests/resource-timing/buffer-full-when-populate-entries.html b/testing/web-platform/tests/resource-timing/buffer-full-when-populate-entries.html
new file mode 100644
index 0000000000..f4b1a2e7e7
--- /dev/null
+++ b/testing/web-platform/tests/resource-timing/buffer-full-when-populate-entries.html
@@ -0,0 +1,30 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+<meta charset="utf-8" />
+<title>This test validates the functionality of onresourcetimingbufferfull in resource timing.</title>
+<link rel="author" title="Intel" href="http://www.intel.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 () => {
+    let bufferFullCount = 0;
+    performance.addEventListener('resourcetimingbufferfull', e => {
+        assert_equals(e.bubbles, false, "Event bubbles attribute is false");
+        bufferFullCount++;
+    });
+    await fillUpTheBufferWithTwoResources();
+    // Overflow the buffer
+    await load.script(scriptResources[2]);
+    await waitForNextTask();
+    checkEntries(2);
+    assert_equals(bufferFullCount, 1, 'onresourcetimingbufferfull should have been invoked once.');
+}, "Test that a buffer full event does not bubble and that resourcetimingbufferfull is called only once per overflow");
+</script>
+</body>
+</html>