Migrate walker tests from upstream ChromeVox.

chrome/browser/resources/chromeos/chromevox/walkers/sentence_walker_test.unitjs

+// Copyright 2014 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(['walker_unittest_base.js']);
+
+/**
+ * Test fixture.
+ * @constructor
+ * @extends {CvoxWalkerTestBase}
+ */
+function CvoxSentenceWalkerUnitTest() {}
+
+CvoxSentenceWalkerUnitTest.prototype = {
+  __proto__: CvoxWalkerUnitTestBase.prototype,
+
+  /** @override */
+  closureModuleDeps: CvoxWalkerUnitTestBase.prototype.closureModuleDeps.concat(
+      'cvox.SentenceWalker'),
+
+  /** @override */
+  newWalker: function() {
+    return new cvox.SentenceWalker();
+  },
+
+  /**
+   * Set up simple html.
+   * @private
+   */
+  setUpSimpleHtml_: function() {
+    this.loadDoc(function() {/*!
+      <div id="a"><p id="b">The quick</p><p id="c">brown. fox.</p></div>
+  */});
+  }
+};
+
+CvoxWalkerUnitTestBase.addCommonTests('CvoxSentenceWalkerUnitTest');
+
+TEST_F('CvoxSentenceWalkerUnitTest', 'testSimpleForwardSync', function() {
+  this.setUpSimpleHtml_();
+
+  var sel = cvox.CursorSelection.fromNode($('a'));
+  var ret = this.go(sel, 'sync', {
+    selText: 'The quick',
+    selParentNodeId: 'b',
+    selStartIndex: 0,
+    selEndIndex: 9,
+    selReversed: false
+  });
+
+  // valid selection
+  var ret2 = this.walker.sync(ret);
+  assertTrue(ret2.equals(ret));
+});
+
+TEST_F('CvoxSentenceWalkerUnitTest', 'testSimpleReversedSync', function() {
+  this.setUpSimpleHtml_();
+
+  var sel = cvox.CursorSelection.fromNode($('a'));
+  sel.setReversed(true);
+  var ret = this.go(sel, 'sync', {
+    selText: 'brown. fox.',
+    selParentNodeId: 'c',
+    selStartIndex: 0,
+    selEndIndex: 6,
+    selReversed: true
+  });
+
+  // valid selection
+  var ret2 = this.walker.sync(ret);
+  assertTrue(ret2.equals(ret));
+});
+
+TEST_F('CvoxSentenceWalkerUnitTest', 'testSimpleForwardNext', function() {
+  this.setUpSimpleHtml_();
+
+  var sel = cvox.CursorSelection.fromNode($('a'));
+  sel = this.walker.sync(sel);
+  var ret = this.go(sel, 'next', {
+    selText: 'brown. fox.',
+    selParentNodeId: 'c',
+    selStartIndex: 0,
+    selEndIndex: 6,
+    selReversed: false
+  });
+});
+
+TEST_F('CvoxSentenceWalkerUnitTest', 'testSimpleReversedNext', function() {
+  this.setUpSimpleHtml_();
+
+  var sel = cvox.CursorSelection.fromNode($('a'));
+  sel = this.walker.sync(sel.setReversed(true));
+  var ret = this.go(sel, 'next', {
+    selText: 'The quick',
+    selParentNodeId: 'b',
+    selStartIndex: 0,
+    selEndIndex: 9,
+    selReversed: true
+  });
+  ret = this.go(ret, 'next', null);
+});
+
+TEST_F('CvoxSentenceWalkerUnitTest', 'testControlElements', function() {
+  this.loadDoc(function() {/*!
+      <div id="a"><p>Before</p><input type="text"/><p>After</p></div>
+  */});
+  var node = $('a');
+  var sel = this.walker.sync(cvox.CursorSelection.fromNode(node));
+  var ret = this.go(sel, 'next', {descAnnotation: 'Edit text'});
+});