Add tests for IME menu private APIs.

chrome/test/data/extensions/api_test/input_method/ime_menu2/background.js

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+var menuItems = [{
+  id: 'menu_a',
+  label: 'MENU A',
+  style: 'check',
+  visible: true,
+  checked: false,
+  enabled: true
+  }, {
+    id: 'menu_b',
+    label: 'MENU b',
+    style: 'check',
+    visible: true,
+    checked: false,
+    enabled: true
+}];
+
+var menuItemsUpdate = [{
+  id: 'menu_a',
+  label: 'MENU A',
+  style: 'check',
+  visible: true,
+  checked: true,
+  enabled: true
+  }, {
+    id: 'menu_b',
+    label: 'MENU b',
+    style: 'check',
+    visible: false,
+    checked: false,
+    enabled: false
+}];
+
+var menuItemsActivated = [{
+  id: 'menu_a',
+  label: 'MENU A',
+  style: 'check',
+  visible: true,
+  checked: true,
+  enabled: true
+  }, {
+    id: 'menu_b',
+    label: 'MENU b',
+    style: 'check',
+    visible: true,
+    checked: true,
+    enabled: true
+}];
+
+var compareMenuItems = function(items1, items2) {
+  chrome.test.assertEq(items1.length, items2.length);
+  for (var i = 0; i < items1.length; i++) {
+    chrome.test.assertEq(items1[i]['id'], items2[i]['id']);
+    chrome.test.assertEq(items1[i]['label'], items2[i]['label']);
+    chrome.test.assertEq(items1[i]['style'], items2[i]['style']);
+    chrome.test.assertEq(items1[i]['visible'], items2[i]['visible']);
+    chrome.test.assertEq(items1[i]['checked'], items2[i]['checked']);
+    chrome.test.assertEq(items1[i]['enabled'], items2[i]['enabled']);
+  }
+};
+
+chrome.test.runTests([
+  function testActivateAndListChange() {
+    var list_change_count = 0;
+    chrome.input.ime.onActivate.addListener(function(engineID) {
+      chrome.test.sendMessage('activated');
+    });
+    chrome.inputMethodPrivate.onImeMenuListChanged.addListener(function() {
+      ++list_change_count;
+      if (list_change_count == 2) {
+        chrome.test.sendMessage('list_change');
+        chrome.test.succeed();
+      }
+    });
+  },
+  function testSetAndUpdateMenuItems() {
+    var onMenuItemChangeCount = 0;
+    chrome.inputMethodPrivate.onImeMenuItemsChanged.addListener(
+      function(engineID, items) {
+        chrome.test.assertEq('test', engineID);
+        if (onMenuItemChangeCount == 0) {
+          compareMenuItems(menuItems, items);
+          ++onMenuItemChangeCount;
+        }
+        else {
+          compareMenuItems(menuItemsUpdate, items);
+          chrome.test.sendMessage('get_menu_update');
+          chrome.test.succeed();
+        }
+      }
+    );
+    chrome.input.ime.setMenuItems({
+      engineID: 'test',
+      items: menuItems
+    });
+    chrome.input.ime.updateMenuItems({
+      engineID: 'test',
+      items: menuItemsUpdate
+    });
+  },
+  function testNotifyMenuItems() {
+    var onMenuItemActivatedCount = 0;
+    chrome.input.ime.onMenuItemActivated.addListener(
+      function(engineID, name) {
+        chrome.test.assertEq('test', engineID);
+        if (onMenuItemActivatedCount == 0) {
+          chrome.test.assertEq('menu_a', name);
+          ++onMenuItemActivatedCount;
+        }
+        else {
+          chrome.test.assertEq('menu_b', name);
+          chrome.test.sendMessage('get_menu_activated');
+          chrome.test.succeed();
+        }
+      }
+    );
+    chrome.inputMethodPrivate.notifyImeMenuItemActivated('test', 'menu_a');
+    chrome.inputMethodPrivate.notifyImeMenuItemActivated('test', 'menu_b');
+  }
+]);