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diff --git a/dom/serviceworkers/test/test_event_listener_leaks.html b/dom/serviceworkers/test/test_event_listener_leaks.html
new file mode 100644
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+++ b/dom/serviceworkers/test/test_event_listener_leaks.html
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+<!--
+  Any copyright is dedicated to the Public Domain.
+  http://creativecommons.org/publicdomain/zero/1.0/
+-->
+<!DOCTYPE HTML>
+<html>
+<head>
+  <title>Bug 1447871 - Test some service worker leak conditions</title>
+  <script src="/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="text/javascript" src="utils.js"></script>
+  <script type="text/javascript" src="/tests/dom/events/test/event_leak_utils.js"></script>
+  <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css" />
+</head>
+<body>
+<p id="display"></p>
+<script class="testbody" type="text/javascript">
+
+const scope = new URL("empty.html?leak_tests", location).href;
+const script = new URL("empty.js", location).href;
+
+// Manipulate service worker DOM objects in the frame's context.
+// Its important here that we create a listener callback from
+// the DOM objects back to the frame's global in order to
+// exercise the leak condition.
+async function useServiceWorker(contentWindow) {
+  contentWindow.navigator.serviceWorker.oncontrollerchange = _ => {
+    contentWindow.controlledChangeCount += 1;
+  };
+  let reg = await contentWindow.navigator.serviceWorker.getRegistration(scope);
+  reg.onupdatefound = _ => {
+    contentWindow.updateCount += 1;
+  };
+  reg.active.onstatechange = _ => {
+    contentWindow.stateChangeCount += 1;
+  };
+}
+
+async function runTest() {
+  await SpecialPowers.pushPrefEnv({"set": [
+    ["dom.serviceWorkers.exemptFromPerDomainMax", true],
+    ["dom.serviceWorkers.enabled", true],
+    ["dom.serviceWorkers.testing.enabled", true]
+  ]});
+
+  let reg = await navigator.serviceWorker.register(script, { scope });
+  await waitForState(reg.installing, "activated");
+
+  try {
+    await checkForEventListenerLeaks("ServiceWorker", useServiceWorker);
+  } catch (e) {
+    ok(false, e);
+  } finally {
+    await reg.unregister();
+    SimpleTest.finish();
+  }
+}
+
+SimpleTest.waitForExplicitFinish();
+addEventListener("load", runTest, { once: true });
+</script>
+</pre>
+</body>
+</html>