Make character text changes work in Docs

chrome/browser/resources/chromeos/chromevox/cvox2/background/recovery_strategy_test.extjs

+// Copyright 2017 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.
+
+// Include test fixture.
+GEN_INCLUDE(['../../testing/chromevox_next_e2e_test_base.js',
+             '../../testing/assert_additions.js']);
+
+/**
+ * Test fixture for recovery strategy tests.
+ * @constructor
+ * @extends {ChromeVoxNextE2ETest}
+ */
+function RecoveryStrategyTest() {
+  ChromeVoxNextE2ETest.call(this);
+  window.RoleType = chrome.automation.RoleType;
+}
+
+RecoveryStrategyTest.prototype = {
+  __proto__: ChromeVoxNextE2ETest.prototype,
+};
+
+TEST_F('RecoveryStrategyTest', 'ReparentedRecovery', function() {
+  this.runWithLoadedTree(function() {/*!
+    <input type="text"></input>
+    <p id="p">hi</p>
+    <button id="go"</button>
+    <script>
+      document.getElementById('go').addEventListener('click', function() {
+        var p = document.getElementById('p');
+        p.remove();
+        document.body.appendChild(p);
+      });
+    </script>
+  */}, function(root) {
+    var p = root.find({role: RoleType.PARAGRAPH});
+    var s = root.find({role: RoleType.STATIC_TEXT});
+    var b = root.find({role: RoleType.BUTTON});
+    var bAncestryRecovery = new AncestryRecoveryStrategy(b);
+    var pAncestryRecovery = new AncestryRecoveryStrategy(p);
+    var sAncestryRecovery = new AncestryRecoveryStrategy(s);
+    var bTreePathRecovery = new TreePathRecoveryStrategy(b);
+    var pTreePathRecovery = new TreePathRecoveryStrategy(p);
+    var sTreePathRecovery = new TreePathRecoveryStrategy(s);
+    this.listenOnce(b, 'clicked', function() {
+      assertFalse(bAncestryRecovery.requiresRecovery());
+      assertTrue(pAncestryRecovery.requiresRecovery());
+      assertTrue(sAncestryRecovery.requiresRecovery());
+      assertFalse(bTreePathRecovery.requiresRecovery());
+      assertTrue(pTreePathRecovery.requiresRecovery());
+      assertTrue(sTreePathRecovery.requiresRecovery());
+
+      assertEquals(RoleType.BUTTON, bAncestryRecovery.node.role);
+      assertEquals(root, pAncestryRecovery.node);
+      assertEquals(root, sAncestryRecovery.node);
+
+      assertEquals(b, bTreePathRecovery.node);
+      assertEquals(b, pTreePathRecovery.node);
+      assertEquals(b, sTreePathRecovery.node);
+
+      assertFalse(bAncestryRecovery.requiresRecovery());
+      assertFalse(pAncestryRecovery.requiresRecovery());
+      assertFalse(sAncestryRecovery.requiresRecovery());
+      assertFalse(bTreePathRecovery.requiresRecovery());
+      assertFalse(pTreePathRecovery.requiresRecovery());
+      assertFalse(sTreePathRecovery.requiresRecovery());
+    });
+    // Trigger the change.
+    b.doDefault();
+  });
+});