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+<!DOCTYPE html>
+<html><head>
+<meta http-equiv="content-type" content="text/html; charset=windows-1252">
+  <title>MSE: Don't get stuck buffering for too long when we have frames to show</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="text/javascript" src="mediasource.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<pre id="test"><script class="testbody" type="text/javascript">
+
+SimpleTest.waitForExplicitFinish();
+
+runWithMSE(async (ms, v) => {
+  await once(ms, "sourceopen");
+  ok(true, "Receive a sourceopen event");
+  ms.addEventListener("sourceopen", () => ok(false, "No more sourceopen"));
+  const sb = ms.addSourceBuffer("video/mp4");
+  ok(sb, "Create a SourceBuffer");
+  sb.addEventListener("error", e => {
+    ok(false, "Got Error: " + e);
+    SimpleTest.finish();
+  });
+  await fetchAndLoad(sb, "bipbop/bipbop", ["init"], ".mp4");
+  let p = once(v, "loadeddata");
+  await fetchAndLoad(sb, "bipbop/bipbop", range(1, 3), ".m4s");
+  await p;
+  // clear the entire sourcebuffer.
+  sb.remove(0, 5);
+  await once(sb, "updateend");
+  v.play();
+  // We have nothing to play, waiting will be fired.
+  await once(v, "waiting");
+  p = once(v, "playing");
+  await fetchAndLoad(sb, "bipbop/bipbop", range(1, 4), ".m4s");
+  await p;
+  ms.endOfStream();
+  await Promise.all([once(ms, "sourceended"), once(v, "ended")]);
+  SimpleTest.finish(SimpleTest);
+});
+</script>
+</pre>
+</body>
+</html>