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+<!DOCTYPE html>
+<html><head>
+<meta http-equiv="content-type" content="text/html; charset=windows-1252">
+  <title>MSE: QuotaExceededError when source buffer is full</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();
+// We fill up the source buffer with audio data until the buffer is full.
+// We ensure that QuotaExceededError is thrown once the buffer is full.
+// We then seek to half the content. By that time, another appendBuffer must succeed
+// as the auto-eviction would succeed (removing all data prior currentTime)
+
+addMSEPrefs(
+  ["media.mediasource.eviction_threshold.audio", 524288],
+  ["media.dormant-on-pause-timeout-ms", -1] // FIXME: bug 1319292
+);
+
+runWithMSE(async (ms, el) => {
+  el.controls = true;
+  await once(ms, "sourceopen");
+  ok(true, "Receive a sourceopen event");
+  const audiosb = ms.addSourceBuffer("audio/mp4");
+  audiosb.mode = "sequence";
+  await fetchAndLoad(audiosb, "bipbop/bipbop_audio", ["init"], ".mp4");
+  const audioBuffer = await fetchWithXHR("bipbop/bipbop_audio1.m4s");
+
+  await must_reject(async () => {
+    // We are appending data repeatedly in sequence mode, there should be no gaps.
+    while (true) {
+      ok(audiosb.buffered.length <= 1, "there should be no gap in buffered ranges.");
+      audiosb.appendBuffer(audioBuffer);
+      await once(audiosb, "updateend");
+    }
+  },
+  "Fill up SourceBuffer by appending data until an exception is thrown.",
+  "QuotaExceededError");
+
+  is(audiosb.buffered.end(0), el.duration, "Duration is end of buffered range");
+  const seekTime = audiosb.buffered.end(0) / 2;
+  el.currentTime = seekTime;
+  await once(el, "seeked");
+  dump("dump: seeked to " + seekTime);
+  is(el.currentTime, seekTime, "correctly seeked to " + seekTime);
+  try {
+    audiosb.appendBuffer(audioBuffer);
+    await once(audiosb, "update");
+    ok(true, "appendBuffer succeeded");
+  } catch (ex) {
+    ok(false, "Shouldn't throw another time when data can be evicted");
+    dump(JSON.stringify(await SpecialPowers.wrap(el).mozRequestDebugInfo()));
+  }
+  SimpleTest.finish();
+});
+
+</script>
+</pre>
+</body>
+</html>