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new file mode 100644
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@@ -0,0 +1,154 @@
+<!DOCTYPE HTML>
+<html>
+<!--
+https://bugzilla.mozilla.org/show_bug.cgi?id=1201407
+-->
+<head>
+  <title>Test simple manage notification events on MozInputMethodManager</title>
+  <script type="application/javascript;version=1.7" src="chrome://mochikit/content/tests/SimpleTest/SimpleTest.js"></script>
+  <script type="application/javascript;version=1.7" src="inputmethod_common.js"></script>
+  <link rel="stylesheet" type="text/css" href="chrome://mochikit/content/tests/SimpleTest/test.css"/>
+</head>
+<body>
+<a target="_blank" href="https://bugzilla.mozilla.org/show_bug.cgi?id=1201407">Mozilla Bug 1201407</a>
+<p id="display"></p>
+<pre id="test">
+<script class="testbody" type="application/javascript;version=1.7">
+
+let appFrameMM;
+let nextStep;
+
+function setupTestRunner() {
+  info('setupTestRunner');
+  let im = navigator.mozInputMethod;
+
+  let i = 0;
+  im.mgmt.onshowallrequest =
+  im.mgmt.onnextrequest = nextStep = function(evt) {
+    i++;
+    switch (i) {
+      case 1:
+        is(evt.type, 'inputcontextchange', '1) inputcontextchange event');
+        appFrameMM.sendAsyncMessage('test:callShowAll');
+
+        break;
+
+      case 2:
+        is(evt.type, 'showallrequest', '2) showallrequest event');
+        ok(evt.target, im.mgmt, '2) evt.target');
+        evt.preventDefault();
+
+        appFrameMM.sendAsyncMessage('test:callNext');
+
+        break;
+
+      case 3:
+        is(evt.type, 'nextrequest', '3) nextrequest event');
+        ok(evt.target, im.mgmt, '3) evt.target');
+        evt.preventDefault();
+
+        im.mgmt.onshowallrequest =
+        im.mgmt.onnextrequest = nextStep = null;
+
+        inputmethod_cleanup();
+        break;
+
+      default:
+        ok(false, 'Receving extra events');
+        inputmethod_cleanup();
+
+        break;
+    }
+  };
+}
+
+function setupInputAppFrame() {
+  info('setupInputAppFrame');
+  return new Promise((resolve, reject) => {
+    let appFrameScript = function appFrameScript() {
+      let im = content.navigator.mozInputMethod;
+
+      addMessageListener('test:callShowAll', function() {
+        im.mgmt.showAll();
+      });
+
+      addMessageListener('test:callNext', function() {
+        im.mgmt.next();
+      });
+
+      im.mgmt.onshowallrequest =
+      im.mgmt.onnextrequest = function(evt) {
+        sendAsyncMessage('test:appEvent', { type: evt.type });
+      };
+
+      im.oninputcontextchange = function(evt) {
+        sendAsyncMessage('test:inputcontextchange', {});
+      };
+
+      content.document.body.textContent = 'I am a input app';
+    };
+
+    let path = location.pathname;
+    let basePath = location.protocol + '//' + location.host +
+                 path.substring(0, path.lastIndexOf('/'));
+    let imeUrl = basePath + '/file_blank.html';
+
+    let inputAppFrame = document.createElement('iframe');
+    inputAppFrame.setAttribute('mozbrowser', true);
+    inputAppFrame.src = imeUrl;
+    document.body.appendChild(inputAppFrame);
+
+    let mm = appFrameMM =
+      SpecialPowers.getBrowserFrameMessageManager(inputAppFrame);
+
+    inputAppFrame.addEventListener('mozbrowserloadend', function() {
+      mm.addMessageListener('test:appEvent', function(msg) {
+        ok(false, 'Input app should not receive ' + msg.data.type + ' event.');
+      });
+      mm.addMessageListener('test:inputcontextchange', function(msg) {
+        nextStep && nextStep({ type: 'inputcontextchange' });
+      });
+      mm.loadFrameScript('data:,(' + encodeURIComponent(appFrameScript.toString()) + ')();', false);
+
+      // Set the input app frame to be active
+      let req = inputAppFrame.setInputMethodActive(true);
+      resolve(req);
+    });
+  });
+}
+
+function setupContentFrame() {
+  let contentFrameScript = function contentFrameScript() {
+    let input = content.document.body.firstElementChild;
+
+    input.focus();
+  };
+
+  let iframe = document.createElement('iframe');
+  iframe.src = 'file_test_simple_manage_events.html';
+  iframe.setAttribute('mozbrowser', true);
+  document.body.appendChild(iframe);
+
+  let mm = SpecialPowers.getBrowserFrameMessageManager(iframe);
+
+  iframe.addEventListener('mozbrowserloadend', function() {
+    mm.loadFrameScript('data:,(' + encodeURIComponent(contentFrameScript.toString()) + ')();', false);
+  });
+}
+
+inputmethod_setup(function() {
+  Promise.resolve()
+    .then(() => setupTestRunner())
+    .then(() => setupContentFrame())
+    .then(() => setupInputAppFrame())
+    .catch((e) => {
+      ok(false, 'Error' + e.toString());
+      console.error(e);
+    });
+});
+
+</script>
+</pre>
+</body>
+</html>
+