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diff --git a/dom/base/test/test_eventsourceservice_basic.html b/dom/base/test/test_eventsourceservice_basic.html
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index 0000000000..da08fb0cd9
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+++ b/dom/base/test/test_eventsourceservice_basic.html
@@ -0,0 +1,69 @@
+<!DOCTYPE HTML>
+<html>
+<head>
+    <title>EventSource event service basic test</title>
+    <meta http-equiv='Content-Type' content='text/html; charset=utf-8'>
+    <script type="text/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
+    <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<pre id="test">
+<script class="testbody" type="text/javascript">
+
+var service = SpecialPowers.Cc["@mozilla.org/eventsourceevent/service;1"]
+                .getService(SpecialPowers.Ci.nsIEventSourceEventService);
+ok(!!service, "We have the nsIEventSourceEventService");
+
+var innerId = SpecialPowers.wrap(window).windowGlobalChild.innerWindowId;
+ok(innerId, "We have a valid innerWindowID: " + innerId);
+
+var channelId = null;
+var listener = {
+    QueryInterface(aIID) {
+      if (
+        SpecialPowers.wrap(aIID).equals(SpecialPowers.Ci.nsISupports) ||
+        SpecialPowers.wrap(aIID).equals(SpecialPowers.Ci.nsIEventSourceEventListener)
+      ) {
+        return this;
+      }
+      throw SpecialPowers.Components.results.NS_ERROR_NO_INTERFACE;
+    },
+    eventSourceConnectionOpened(httpChannelId) {
+        info("eventSourceConnectionOpened");
+        ok(httpChannelId > 0, "Channel ID received");
+        channelId = httpChannelId;
+    },
+    eventSourceConnectionClosed(httpChannelId) {
+        info("eventSourceConnectionClosed");
+        ok(httpChannelId > 0, "Channel ID received");
+        ok(httpChannelId === channelId, "Channel ID matched");
+        service.removeListener(innerId, listener);
+        ok(true, "Listener removed");
+        ok(!service.hasListenerFor(innerId), "hasListenerFor(innerId) should be false");
+        SimpleTest.finish();
+    },
+    eventReceived(httpChannelId, eventName, lastEventId, data, retry, timeStamp) {
+        info("eventReceived");
+        is(eventName, "message", "Event name is 'message'");
+        is(lastEventId, "1", "Last event id is '1'");
+        is(data, "msg 1", "Data is 'msg 1'");
+        ok(retry > 0, "Reconnection time received");
+        ok(httpChannelId === channelId, "Channel ID matched");
+        ok(timeStamp > 0, "TimeStamp received");
+    }
+}
+
+service.addListener(innerId, listener);
+ok(true, "Listener added");
+ok(service.hasListenerFor(innerId), "hasListenerFor(innerId) should be true");
+addLoadEvent(function () {
+    const es = new EventSource("http://mochi.test:8888/tests/dom/base/test/eventsource_message.sjs");
+    es.onmessage = function (e) {
+      es.close();
+    };
+});
+SimpleTest.waitForExplicitFinish();
+</script>
+</pre>
+</body>
+</html>