// 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 CvoxObjectWalkerUnitTest() {}

CvoxObjectWalkerUnitTest.prototype = {
  __proto__: CvoxWalkerUnitTestBase.prototype,

  /** @override */
  closureModuleDeps: CvoxWalkerUnitTestBase.prototype.closureModuleDeps.concat(
      'cvox.ObjectWalker'),

  /** @override */
  newWalker: function() {
    return new cvox.ObjectWalker();
  },

  /**
   * Set up for simple html tests.
   * @private
   */
  setUpSimpleHtml_: function() {
    this.loadDoc(function() {/*!
      <div id="a">
        <p id="b">b</p>
        <p id="c">c</p>
      </div>
    */});
  }
};

CvoxWalkerUnitTestBase.addCommonTests('CvoxObjectWalkerUnitTest');

TEST_F('CvoxObjectWalkerUnitTest', 'testSimpleForwardSync', function() {
  this.setUpSimpleHtml_();

  // invalid selection
  var sel = cvox.CursorSelection.fromNode($('a'));
  var ret = this.go(sel, 'sync', {selParentNodeId: 'b', selReversed: false});

  // valid selection
  var ret2 = this.walker.sync(ret);
  assertTrue(ret2.equals(ret));
});

TEST_F('CvoxObjectWalkerUnitTest', 'testSimpleReversedSync', function() {
  this.setUpSimpleHtml_();

  // invalid selection
  var sel = cvox.CursorSelection.fromNode($('a'));
  sel.setReversed(true);
  var ret = this.go(sel, 'sync', {selParentNodeId: 'c', selReversed: true});

  // valid selection
  var ret2 = this.walker.sync(ret);
  assertTrue(ret2.equals(ret));
});

TEST_F('CvoxObjectWalkerUnitTest', 'testSimpleForwardNext', function() {
  this.setUpSimpleHtml_();

  var sel = cvox.CursorSelection.fromNode($('a'));
  sel = this.walker.sync(sel);
  var ret = this.go(sel, 'next', {selParentNodeId: 'c', selReversed: false});
});

TEST_F('CvoxObjectWalkerUnitTest', 'testSimpleReversedNext', function() {
  this.setUpSimpleHtml_();

  var sel = cvox.CursorSelection.fromNode($('a'));
  sel = this.walker.sync(sel.setReversed(true));
  var ret = this.go(sel, 'next', {selParentNodeId: 'b', selReversed: true});
});

/** tests for unbroken anchor link descriptions. */
TEST_F('CvoxObjectWalkerUnitTest', 'testAnchorLinkDescriptions', function() {
  this.loadDoc(function() {/*!
    <a href='a1.html' id='a1'>
      This link <em>has</em> a few <strong>complications.</strong>
    </a>
  */});

  var sel = this.walker.sync(
      cvox.CursorSelection.fromNode($('a1')));
  assertEquals('A', sel.start.node.tagName);
  assertEquals('This link has a few complications.',
               this.walker.getDescription(sel, sel)[0].text);
});