chrome/browser/resources/chromeos/chromevox/common/key_sequence_test.unitjs - chromium/src - Git at Google

 // 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(['../testing/chromevox_unittest_base.js']);

 /**
  * Test fixture.
  * @constructor
  * @extends {ChromeVoxUnitTestBase}
  */
 function CvoxKeySequenceUnitTest() {}

 CvoxKeySequenceUnitTest.prototype = {
   __proto__: ChromeVoxUnitTestBase.prototype,

   /** @override */
   closureModuleDeps: [
     'cvox.ChromeVox',
     'cvox.KeySequence',
   ],

   /**
    * Create mock event object.
    * @param {number} keyCode The event key code (i.e. 13 for Enter).
    * @param {{altGraphKey: boolean=,
    *         altKey: boolean=,
    *         ctrlKey: boolean=,
    *         metaKey: boolean=,
    *         searchKeyHeld: boolean=,
    *         shiftKey: boolean=,
    *         stickyMode: boolean=,
    *         prefixKey: boolean=}} eventParams The parameters on the event.
    *  altGraphKey: Whether or not the altGraph key was held down.
    *  altKey: Whether or not the alt key was held down.
    *  ctrlKey: Whether or not the ctrl key was held down.
    *  metaKey: Whether or not the meta key was held down.
    *  searchKeyHeld: Whether or not the search key was held down.
    *  shiftKey: Whether or not the shift key was held down.
    *  stickyMode: Whether or not sticky mode is enabled.
    *  prefixKey: Whether or not the prefix key was entered.
    * @return {Object} The mock event.
    */
   createMockEvent: function(keyCode, eventParams) {
     var mockEvent = {};
     mockEvent.keyCode = keyCode;

     if (eventParams == null) {
       return mockEvent;
     }
     if (eventParams.hasOwnProperty('altGraphKey')) {
       mockEvent.altGraphKey = eventParams.altGraphKey;
     }
     if (eventParams.hasOwnProperty('altKey')) {
       mockEvent.altKey = eventParams.altKey;
     }
     if (eventParams.hasOwnProperty('ctrlKey')) {
       mockEvent.ctrlKey = eventParams.ctrlKey;
     }
     if (eventParams.hasOwnProperty('metaKey')) {
       mockEvent.metaKey = eventParams.metaKey;
     }
     if (eventParams.hasOwnProperty('shiftKey')) {
       mockEvent.shiftKey = eventParams.shiftKey;
     }

     if (eventParams.hasOwnProperty('searchKeyHeld')) {
       mockEvent.searchKeyHeld = eventParams.searchKeyHeld;
     }
     if (eventParams.hasOwnProperty('stickyMode')) {
       mockEvent.stickyMode = eventParams.stickyMode;
     }
     if (eventParams.hasOwnProperty('prefixKey')) {
       mockEvent.keyPrefix = eventParams.prefixKey;
     }

     return mockEvent;
   },

   /** @override */
   setUp: function() {
     // Set up mock ChromeVox modifier
     cvox.ChromeVox.modKeyStr = 'Alt';

     // Use these mock events in the tests:

     // Down arrow, no modifiers
     this.downArrowEvent = this.createMockEvent(40);

     // Down arrow key with alt held down. We specified 'Alt' as the
     // mock ChromeVox modifier string, so this means that KeySequence
     // should interpret this as the ChromeVox modifier being active.
     this.altDownArrowEvent = this.createMockEvent(40, {altKey: true});

     // Right arrow, no modifiers
     this.rightArrowEvent = this.createMockEvent(39);

     // Ctrl key, no modifiers
     this.ctrlEvent = this.createMockEvent(17);

     // Ctrl key with sticky mode
     this.ctrlStickyEvent = this.createMockEvent(17, {stickyMode: true});

     // Ctrl key with prefix mode
     this.ctrlPrefixEvent = this.createMockEvent(17, {prefixKey: true});

     // 'a' key, no modifiers
     this.aEvent = this.createMockEvent(65);

     // 'a' key with ctrl held down
     this.ctrlAEvent = this.createMockEvent(65, {ctrlKey: true});

     // 'a' key with meta held down
     this.metaAEvent = this.createMockEvent(65, {metaKey: true});

     // 'a' key with shift held down
     this.shiftAEvent = this.createMockEvent(65, {shiftKey: true});

     // 'a' key with alt (which is the mock ChromeVox modifier) and shift held
     // down.
     this.altShiftAEvent = this.createMockEvent(65, {altKey: true,
                                                     shiftKey: true});

     // 'a' key with shift and prefix held down
     this.shiftAPrefixEvent = this.createMockEvent(65, {shiftKey: true,
                                                        prefixKey: true});

     // 'a' key with shift and sticky mode
     this.shiftAStickyEvent = this.createMockEvent(65, {shiftKey: true,
                                                        stickyMode: true});

     // 'a' key with sticky mode
     this.aEventSticky = this.createMockEvent(65, {stickyMode: true});

     // 'a' key with prefix key
     this.aEventPrefix = this.createMockEvent(65, {prefixKey: true});

     // 'a' key with alt (which is the mock ChromeVox modifier) held down
     this.altAEvent = this.createMockEvent(65, {altKey: true});

     // 'b' key, no modifiers
     this.bEvent = this.createMockEvent(66);

     // 'b' key, with ctrl held down
     this.ctrlBEvent = this.createMockEvent(66, {ctrlKey: true});

     // 'c' key, no modifiers
     this.cEvent = this.createMockEvent(67);

     // Shift key with ctrl held down
     this.ctrlShiftEvent = this.createMockEvent(60, {ctrlKey: true});

     // Ctrl key with shift held down
     this.shiftCtrlEvent = this.createMockEvent(17, {shiftKey: true});
   }
 };

 TEST_F('CvoxKeySequenceUnitTest', 'SimpleSequenceNoModifier', function() {
   var downKey = new cvox.KeySequence(this.downArrowEvent, false);

   assertEqualsJSON([40], downKey.keys.keyCode);
   assertFalse(downKey.stickyMode);
   assertFalse(downKey.prefixKey);
   assertFalse(downKey.cvoxModifier);

   assertEqualsJSON([false], downKey.keys.altGraphKey);
   assertEqualsJSON([false], downKey.keys.altKey);
   assertEqualsJSON([false], downKey.keys.ctrlKey);
   assertEqualsJSON([false], downKey.keys.metaKey);
   assertEqualsJSON([false], downKey.keys.searchKeyHeld);
   assertEqualsJSON([false], downKey.keys.shiftKey);

   assertEquals(1, downKey.length());
 });


 /** Test another key sequence, this time with the modifier */
 TEST_F('CvoxKeySequenceUnitTest', 'SimpleSequenceWithModifier', function() {
   var downKey = new cvox.KeySequence(this.downArrowEvent, true);

   assertEqualsJSON([40], downKey.keys.keyCode);
   assertFalse(downKey.stickyMode);
   assertFalse(downKey.prefixKey);
   assertTrue(downKey.cvoxModifier);

   assertEqualsJSON([false], downKey.keys.altGraphKey);
   assertEqualsJSON([false], downKey.keys.altKey);
   assertEqualsJSON([false], downKey.keys.ctrlKey);
   assertEqualsJSON([false], downKey.keys.metaKey);
   assertEqualsJSON([false], downKey.keys.searchKeyHeld);
   assertEqualsJSON([false], downKey.keys.shiftKey);

   assertEquals(1, downKey.length());
 });


 /** Test a key sequence that includes the modifier */
 TEST_F('CvoxKeySequenceUnitTest', 'ModifiedSequence', function() {
   var cvoxDownKey = new cvox.KeySequence(this.altDownArrowEvent, true);

   assertEqualsJSON([40], cvoxDownKey.keys.keyCode);
   assertFalse(cvoxDownKey.stickyMode);
   assertFalse(cvoxDownKey.prefixKey);
   assertTrue(cvoxDownKey.cvoxModifier);

   assertEqualsJSON([false], cvoxDownKey.keys.altGraphKey);
   assertEqualsJSON([false], cvoxDownKey.keys.altKey);
   assertEqualsJSON([false], cvoxDownKey.keys.ctrlKey);
   assertEqualsJSON([false], cvoxDownKey.keys.metaKey);
   assertEqualsJSON([false], cvoxDownKey.keys.searchKeyHeld);
   assertEqualsJSON([false], cvoxDownKey.keys.shiftKey);

   assertEquals(1, cvoxDownKey.length());
 });


 /**
  * Test equality - Ctrl key vs. Ctrl key with sticky mode on
  * These should be equal because Ctrl should still function even with
  * sticky mode on.
 */
 TEST_F('CvoxKeySequenceUnitTest', 'StickyEquality', function() {
   var ctrlKey = new cvox.KeySequence(this.ctrlEvent, false);
   var ctrlSticky = new cvox.KeySequence(this.ctrlStickyEvent, false);

   assertTrue(ctrlKey.equals(ctrlSticky));
 });


 /**
  * Test equality - 'a' key with Shift modifier vs. 'a' key without Shift
  * modifier.
  * These should not be equal because they do not have the same modifiers.
 */
 TEST_F('CvoxKeySequenceUnitTest', 'ShiftEquality', function() {
   var aKey = new cvox.KeySequence(this.aEvent, false);
   var shiftA = new cvox.KeySequence(this.shiftAEvent, false);

   assertFalse(aKey.equals(shiftA));
 });


 /**
  * Test equality - 'a' with ChromeVox modifier specified, 'a' with sticky mode
  * on, 'a' with prefix key, and 'a' with ChromeVox modifier held down. These
  * should all be equal to each other.
  */
 TEST_F('CvoxKeySequenceUnitTest', 'FourWayEquality', function() {
   var commandSequence = new cvox.KeySequence(this.aEvent, true);
   var stickySequence = new cvox.KeySequence(this.aEventSticky, false);
   var prefixSequence = new cvox.KeySequence(this.aEventPrefix, false);
   var cvoxModifierSequence = new cvox.KeySequence(this.altAEvent);

   assertTrue(commandSequence.equals(stickySequence));
   assertTrue(commandSequence.equals(prefixSequence));
   assertTrue(commandSequence.equals(cvoxModifierSequence));

   assertTrue(stickySequence.equals(commandSequence));
   assertTrue(stickySequence.equals(prefixSequence));
   assertTrue(stickySequence.equals(cvoxModifierSequence));

   assertTrue(prefixSequence.equals(commandSequence));
   assertTrue(prefixSequence.equals(stickySequence));
   assertTrue(prefixSequence.equals(cvoxModifierSequence));

   assertTrue(cvoxModifierSequence.equals(commandSequence));
   assertTrue(cvoxModifierSequence.equals(stickySequence));
   assertTrue(cvoxModifierSequence.equals(prefixSequence));
 });


 /**
  * Test equality - 'a' key with Shift modifier and prefix vs. 'a' key with Shift
  * modifier and sticky mode vs. 'a' key with Shift modifier and ChromeVox
  * modifier specified vs. 'a' key with ChromeVox modifier held down.
  * These should all be equal to each other..
 */
 TEST_F('CvoxKeySequenceUnitTest', 'ShiftPrefixEquality', function() {
   var shiftAWithModifier = new cvox.KeySequence(this.shiftAEvent, true);
   var shiftAWithPrefix = new cvox.KeySequence(this.shiftAPrefixEvent, false);
   var shiftASticky = new cvox.KeySequence(this.shiftAStickyEvent, false);
   var cvoxShiftA = new cvox.KeySequence(this.altShiftAEvent);

   assertTrue(shiftAWithModifier.equals(shiftAWithPrefix));
   assertTrue(shiftAWithModifier.equals(shiftASticky));
   assertTrue(shiftAWithModifier.equals(cvoxShiftA));

   assertTrue(shiftAWithPrefix.equals(shiftAWithModifier));
   assertTrue(shiftAWithPrefix.equals(shiftASticky));
   assertTrue(shiftAWithPrefix.equals(cvoxShiftA));

   assertTrue(shiftASticky.equals(shiftAWithPrefix));
   assertTrue(shiftASticky.equals(shiftAWithModifier));
   assertTrue(shiftASticky.equals(cvoxShiftA));

   assertTrue(cvoxShiftA.equals(shiftAWithModifier));
   assertTrue(cvoxShiftA.equals(shiftAWithPrefix));
   assertTrue(cvoxShiftA.equals(shiftASticky));
 });


 /**
  * Test inequality - 'a' with modifier key vs. 'a' without modifier key.
  * These should not be equal.
 */
 TEST_F('CvoxKeySequenceUnitTest', 'Inequality', function() {
   var aNoModifier = new cvox.KeySequence(this.aEvent, false);
   var aWithModifier = new cvox.KeySequence(this.aEvent, true);

   assertFalse(aNoModifier.equals(aWithModifier));
   assertFalse(aWithModifier.equals(aNoModifier));
 });


 /**
  * Test equality - adding an additional key onto a sequence.
  */
 TEST_F('CvoxKeySequenceUnitTest', 'CvoxCtrl', function() {
   var cvoxCtrlSequence = new cvox.KeySequence(this.ctrlEvent, true);
   assertTrue(cvoxCtrlSequence.addKeyEvent(this.rightArrowEvent));

   assertEquals(2, cvoxCtrlSequence.length());

   // Can't add more than two key events.
   assertFalse(cvoxCtrlSequence.addKeyEvent(this.rightArrowEvent));

   var cvoxCtrlStickySequence = new cvox.KeySequence(this.ctrlStickyEvent,
                                                     false);
   assertTrue(cvoxCtrlStickySequence.addKeyEvent(this.rightArrowEvent));

   var mockCtrlPrefixSequence = new cvox.KeySequence(this.ctrlPrefixEvent,
                                                     false);
   assertTrue(mockCtrlPrefixSequence.addKeyEvent(this.rightArrowEvent));

   assertTrue(cvoxCtrlSequence.equals(cvoxCtrlStickySequence));
   assertTrue(cvoxCtrlStickySequence.equals(cvoxCtrlSequence));

   assertTrue(cvoxCtrlSequence.equals(mockCtrlPrefixSequence));
   assertTrue(mockCtrlPrefixSequence.equals(cvoxCtrlSequence));

   assertTrue(cvoxCtrlStickySequence.equals(mockCtrlPrefixSequence));
   assertTrue(mockCtrlPrefixSequence.equals(cvoxCtrlStickySequence));
 });


 /**
  * Test for inequality - key sequences in different orders.
  */
 TEST_F('CvoxKeySequenceUnitTest', 'DifferentSequences', function() {
   var cvoxBSequence = new cvox.KeySequence(this.bEvent, true);
   assertTrue(cvoxBSequence.addKeyEvent(this.cEvent));

   var cvoxCSequence = new cvox.KeySequence(this.cEvent, false);
   assertTrue(cvoxCSequence.addKeyEvent(this.bEvent));

   assertFalse(cvoxBSequence.equals(cvoxCSequence));
   assertFalse(cvoxCSequence.equals(cvoxBSequence));
 });


 /**
  * Tests modifiers (ctrl, alt, etc) - if two sequences have different modifiers
  * held down then they aren't equal.
  */
 TEST_F('CvoxKeySequenceUnitTest', 'MoreModifiers', function() {
   var ctrlASequence = new cvox.KeySequence(this.ctrlAEvent, false);
   var ctrlModifierKeyASequence = new cvox.KeySequence(this.ctrlAEvent, true);

   var ctrlBSequence = new cvox.KeySequence(this.ctrlBEvent, false);

   var metaASequence = new cvox.KeySequence(this.metaAEvent, false);

   assertFalse(ctrlASequence.equals(metaASequence));
   assertFalse(ctrlASequence.equals(ctrlModifierKeyASequence));
   assertFalse(ctrlASequence.equals(ctrlBSequence));
 });


 /**
  * Tests modifier (ctrl, alt, etc) order - if two sequences have the same
  * modifiers but held down in a different order then they aren't equal.
  */
 TEST_F('CvoxKeySequenceUnitTest', 'ModifierOrder', function() {
   var ctrlShiftSequence = new cvox.KeySequence(this.ctrlShiftEvent, false);
   var shiftCtrlSequence = new cvox.KeySequence(this.shiftCtrlEvent, true);

   assertFalse(ctrlShiftSequence.equals(shiftCtrlSequence));
 });


 /**
  * Tests converting from a string to a KeySequence object.
  */
 TEST_F('CvoxKeySequenceUnitTest', 'FromStr', function() {
   var ctrlString = cvox.KeySequence.fromStr('Ctrl');
   assertEqualsJSON(ctrlString.keys.ctrlKey, [true]);
   assertEqualsJSON(ctrlString.keys.keyCode, [17]);

   var modifiedLetterString = cvox.KeySequence.fromStr('Ctrl+Z');
   assertEqualsJSON(modifiedLetterString.keys.ctrlKey, [true]);
   assertEqualsJSON(modifiedLetterString.keys.keyCode, [90]);

   var keyCodeString = cvox.KeySequence.fromStr('#9');
   assertEqualsJSON(keyCodeString.keys.keyCode, [9]);

   var modifiedKeyCodeString = cvox.KeySequence.fromStr('Shift+#9');
   assertEqualsJSON(modifiedKeyCodeString.keys.shiftKey, [true]);
   assertEqualsJSON(modifiedKeyCodeString.keys.keyCode, [9]);

   var cvoxLetterString = cvox.KeySequence.fromStr('Cvox+U');
   assertTrue(cvoxLetterString.cvoxModifier);
   assertEqualsJSON(cvoxLetterString.keys.keyCode, [85]);

   var cvoxSequenceString = cvox.KeySequence.fromStr('Cvox+C>T');
   assertTrue(cvoxSequenceString.cvoxModifier);
   assertEqualsJSON(cvoxSequenceString.keys.keyCode, [67, 84]);

   var cvoxSequenceKeyCodeString = cvox.KeySequence.fromStr('Cvox+L>#186');
   assertTrue(cvoxSequenceKeyCodeString.cvoxModifier);
   assertEqualsJSON(cvoxSequenceKeyCodeString.keys.keyCode, [76, 186]);

   var stickyString = cvox.KeySequence.fromStr('Insert>Insert+');
   assertEqualsJSON(stickyString.keys.keyCode, [45, 45]);
 });


 /**
  * Tests converting from a JSON string to a KeySequence object.
  */
 TEST_F('CvoxKeySequenceUnitTest', 'Deserialize', function() {
   var forwardSequence = cvox.KeySequence.deserialize({'cvoxModifier': true,
       'stickyMode': false, 'prefixKey': false, 'keys': {'ctrlKey': [false],
       'searchKeyHeld': [false], 'altKey': [false], 'altGraphKey': [false],
       'shiftKey': [false], 'metaKey': [false], 'keyCode': [40]}});
   assertTrue(forwardSequence.cvoxModifier);
   assertEqualsJSON(forwardSequence.keys.keyCode, [40]);

   var ctrlSequence = cvox.KeySequence.deserialize({'cvoxModifier': false,
       'stickyMode': true, 'prefixKey': false, 'keys': {'ctrlKey': [true],
       'searchKeyHeld': [false], 'altKey': [false], 'altGraphKey': [false],
       'shiftKey': [false], 'metaKey': [false], 'keyCode': [17]}});
   assertEqualsJSON(ctrlSequence.keys.ctrlKey, [true]);
   assertEqualsJSON(ctrlSequence.keys.keyCode, [17]);
 });
	// 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(['../testing/chromevox_unittest_base.js']);

	/**
	* Test fixture.
	* @constructor
	* @extends {ChromeVoxUnitTestBase}
	*/
	function CvoxKeySequenceUnitTest() {}

	CvoxKeySequenceUnitTest.prototype = {
	__proto__: ChromeVoxUnitTestBase.prototype,

	/** @override */
	closureModuleDeps: [
	'cvox.ChromeVox',
	'cvox.KeySequence',
	],

	/**
	* Create mock event object.
	* @param {number} keyCode The event key code (i.e. 13 for Enter).
	* @param {{altGraphKey: boolean=,
	* altKey: boolean=,
	* ctrlKey: boolean=,
	* metaKey: boolean=,
	* searchKeyHeld: boolean=,
	* shiftKey: boolean=,
	* stickyMode: boolean=,
	* prefixKey: boolean=}} eventParams The parameters on the event.
	* altGraphKey: Whether or not the altGraph key was held down.
	* altKey: Whether or not the alt key was held down.
	* ctrlKey: Whether or not the ctrl key was held down.
	* metaKey: Whether or not the meta key was held down.
	* searchKeyHeld: Whether or not the search key was held down.
	* shiftKey: Whether or not the shift key was held down.
	* stickyMode: Whether or not sticky mode is enabled.
	* prefixKey: Whether or not the prefix key was entered.
	* @return {Object} The mock event.
	*/
	createMockEvent: function(keyCode, eventParams) {
	var mockEvent = {};
	mockEvent.keyCode = keyCode;

	if (eventParams == null) {
	return mockEvent;
	}
	if (eventParams.hasOwnProperty('altGraphKey')) {
	mockEvent.altGraphKey = eventParams.altGraphKey;
	}
	if (eventParams.hasOwnProperty('altKey')) {
	mockEvent.altKey = eventParams.altKey;
	}
	if (eventParams.hasOwnProperty('ctrlKey')) {
	mockEvent.ctrlKey = eventParams.ctrlKey;
	}
	if (eventParams.hasOwnProperty('metaKey')) {
	mockEvent.metaKey = eventParams.metaKey;
	}
	if (eventParams.hasOwnProperty('shiftKey')) {
	mockEvent.shiftKey = eventParams.shiftKey;
	}

	if (eventParams.hasOwnProperty('searchKeyHeld')) {
	mockEvent.searchKeyHeld = eventParams.searchKeyHeld;
	}
	if (eventParams.hasOwnProperty('stickyMode')) {
	mockEvent.stickyMode = eventParams.stickyMode;
	}
	if (eventParams.hasOwnProperty('prefixKey')) {
	mockEvent.keyPrefix = eventParams.prefixKey;
	}

	return mockEvent;
	},

	/** @override */
	setUp: function() {
	// Set up mock ChromeVox modifier
	cvox.ChromeVox.modKeyStr = 'Alt';

	// Use these mock events in the tests:

	// Down arrow, no modifiers
	this.downArrowEvent = this.createMockEvent(40);

	// Down arrow key with alt held down. We specified 'Alt' as the
	// mock ChromeVox modifier string, so this means that KeySequence
	// should interpret this as the ChromeVox modifier being active.
	this.altDownArrowEvent = this.createMockEvent(40, {altKey: true});

	// Right arrow, no modifiers
	this.rightArrowEvent = this.createMockEvent(39);

	// Ctrl key, no modifiers
	this.ctrlEvent = this.createMockEvent(17);

	// Ctrl key with sticky mode
	this.ctrlStickyEvent = this.createMockEvent(17, {stickyMode: true});

	// Ctrl key with prefix mode
	this.ctrlPrefixEvent = this.createMockEvent(17, {prefixKey: true});

	// 'a' key, no modifiers
	this.aEvent = this.createMockEvent(65);

	// 'a' key with ctrl held down
	this.ctrlAEvent = this.createMockEvent(65, {ctrlKey: true});

	// 'a' key with meta held down
	this.metaAEvent = this.createMockEvent(65, {metaKey: true});

	// 'a' key with shift held down
	this.shiftAEvent = this.createMockEvent(65, {shiftKey: true});

	// 'a' key with alt (which is the mock ChromeVox modifier) and shift held
	// down.
	this.altShiftAEvent = this.createMockEvent(65, {altKey: true,
	shiftKey: true});

	// 'a' key with shift and prefix held down
	this.shiftAPrefixEvent = this.createMockEvent(65, {shiftKey: true,
	prefixKey: true});

	// 'a' key with shift and sticky mode
	this.shiftAStickyEvent = this.createMockEvent(65, {shiftKey: true,
	stickyMode: true});

	// 'a' key with sticky mode
	this.aEventSticky = this.createMockEvent(65, {stickyMode: true});

	// 'a' key with prefix key
	this.aEventPrefix = this.createMockEvent(65, {prefixKey: true});

	// 'a' key with alt (which is the mock ChromeVox modifier) held down
	this.altAEvent = this.createMockEvent(65, {altKey: true});

	// 'b' key, no modifiers
	this.bEvent = this.createMockEvent(66);

	// 'b' key, with ctrl held down
	this.ctrlBEvent = this.createMockEvent(66, {ctrlKey: true});

	// 'c' key, no modifiers
	this.cEvent = this.createMockEvent(67);

	// Shift key with ctrl held down
	this.ctrlShiftEvent = this.createMockEvent(60, {ctrlKey: true});

	// Ctrl key with shift held down
	this.shiftCtrlEvent = this.createMockEvent(17, {shiftKey: true});
	}
	};

	TEST_F('CvoxKeySequenceUnitTest', 'SimpleSequenceNoModifier', function() {
	var downKey = new cvox.KeySequence(this.downArrowEvent, false);

	assertEqualsJSON([40], downKey.keys.keyCode);
	assertFalse(downKey.stickyMode);
	assertFalse(downKey.prefixKey);
	assertFalse(downKey.cvoxModifier);

	assertEqualsJSON([false], downKey.keys.altGraphKey);
	assertEqualsJSON([false], downKey.keys.altKey);
	assertEqualsJSON([false], downKey.keys.ctrlKey);
	assertEqualsJSON([false], downKey.keys.metaKey);
	assertEqualsJSON([false], downKey.keys.searchKeyHeld);
	assertEqualsJSON([false], downKey.keys.shiftKey);

	assertEquals(1, downKey.length());
	});


	/** Test another key sequence, this time with the modifier */
	TEST_F('CvoxKeySequenceUnitTest', 'SimpleSequenceWithModifier', function() {
	var downKey = new cvox.KeySequence(this.downArrowEvent, true);

	assertEqualsJSON([40], downKey.keys.keyCode);
	assertFalse(downKey.stickyMode);
	assertFalse(downKey.prefixKey);
	assertTrue(downKey.cvoxModifier);

	assertEqualsJSON([false], downKey.keys.altGraphKey);
	assertEqualsJSON([false], downKey.keys.altKey);
	assertEqualsJSON([false], downKey.keys.ctrlKey);
	assertEqualsJSON([false], downKey.keys.metaKey);
	assertEqualsJSON([false], downKey.keys.searchKeyHeld);
	assertEqualsJSON([false], downKey.keys.shiftKey);

	assertEquals(1, downKey.length());
	});


	/** Test a key sequence that includes the modifier */
	TEST_F('CvoxKeySequenceUnitTest', 'ModifiedSequence', function() {
	var cvoxDownKey = new cvox.KeySequence(this.altDownArrowEvent, true);

	assertEqualsJSON([40], cvoxDownKey.keys.keyCode);
	assertFalse(cvoxDownKey.stickyMode);
	assertFalse(cvoxDownKey.prefixKey);
	assertTrue(cvoxDownKey.cvoxModifier);

	assertEqualsJSON([false], cvoxDownKey.keys.altGraphKey);
	assertEqualsJSON([false], cvoxDownKey.keys.altKey);
	assertEqualsJSON([false], cvoxDownKey.keys.ctrlKey);
	assertEqualsJSON([false], cvoxDownKey.keys.metaKey);
	assertEqualsJSON([false], cvoxDownKey.keys.searchKeyHeld);
	assertEqualsJSON([false], cvoxDownKey.keys.shiftKey);

	assertEquals(1, cvoxDownKey.length());
	});


	/**
	* Test equality - Ctrl key vs. Ctrl key with sticky mode on
	* These should be equal because Ctrl should still function even with
	* sticky mode on.
	*/
	TEST_F('CvoxKeySequenceUnitTest', 'StickyEquality', function() {
	var ctrlKey = new cvox.KeySequence(this.ctrlEvent, false);
	var ctrlSticky = new cvox.KeySequence(this.ctrlStickyEvent, false);

	assertTrue(ctrlKey.equals(ctrlSticky));
	});


	/**
	* Test equality - 'a' key with Shift modifier vs. 'a' key without Shift
	* modifier.
	* These should not be equal because they do not have the same modifiers.
	*/
	TEST_F('CvoxKeySequenceUnitTest', 'ShiftEquality', function() {
	var aKey = new cvox.KeySequence(this.aEvent, false);
	var shiftA = new cvox.KeySequence(this.shiftAEvent, false);

	assertFalse(aKey.equals(shiftA));
	});


	/**
	* Test equality - 'a' with ChromeVox modifier specified, 'a' with sticky mode
	* on, 'a' with prefix key, and 'a' with ChromeVox modifier held down. These
	* should all be equal to each other.
	*/
	TEST_F('CvoxKeySequenceUnitTest', 'FourWayEquality', function() {
	var commandSequence = new cvox.KeySequence(this.aEvent, true);
	var stickySequence = new cvox.KeySequence(this.aEventSticky, false);
	var prefixSequence = new cvox.KeySequence(this.aEventPrefix, false);
	var cvoxModifierSequence = new cvox.KeySequence(this.altAEvent);

	assertTrue(commandSequence.equals(stickySequence));
	assertTrue(commandSequence.equals(prefixSequence));
	assertTrue(commandSequence.equals(cvoxModifierSequence));

	assertTrue(stickySequence.equals(commandSequence));
	assertTrue(stickySequence.equals(prefixSequence));
	assertTrue(stickySequence.equals(cvoxModifierSequence));

	assertTrue(prefixSequence.equals(commandSequence));
	assertTrue(prefixSequence.equals(stickySequence));
	assertTrue(prefixSequence.equals(cvoxModifierSequence));

	assertTrue(cvoxModifierSequence.equals(commandSequence));
	assertTrue(cvoxModifierSequence.equals(stickySequence));
	assertTrue(cvoxModifierSequence.equals(prefixSequence));
	});


	/**
	* Test equality - 'a' key with Shift modifier and prefix vs. 'a' key with Shift
	* modifier and sticky mode vs. 'a' key with Shift modifier and ChromeVox
	* modifier specified vs. 'a' key with ChromeVox modifier held down.
	* These should all be equal to each other..
	*/
	TEST_F('CvoxKeySequenceUnitTest', 'ShiftPrefixEquality', function() {
	var shiftAWithModifier = new cvox.KeySequence(this.shiftAEvent, true);
	var shiftAWithPrefix = new cvox.KeySequence(this.shiftAPrefixEvent, false);
	var shiftASticky = new cvox.KeySequence(this.shiftAStickyEvent, false);
	var cvoxShiftA = new cvox.KeySequence(this.altShiftAEvent);

	assertTrue(shiftAWithModifier.equals(shiftAWithPrefix));
	assertTrue(shiftAWithModifier.equals(shiftASticky));
	assertTrue(shiftAWithModifier.equals(cvoxShiftA));

	assertTrue(shiftAWithPrefix.equals(shiftAWithModifier));
	assertTrue(shiftAWithPrefix.equals(shiftASticky));
	assertTrue(shiftAWithPrefix.equals(cvoxShiftA));

	assertTrue(shiftASticky.equals(shiftAWithPrefix));
	assertTrue(shiftASticky.equals(shiftAWithModifier));
	assertTrue(shiftASticky.equals(cvoxShiftA));

	assertTrue(cvoxShiftA.equals(shiftAWithModifier));
	assertTrue(cvoxShiftA.equals(shiftAWithPrefix));
	assertTrue(cvoxShiftA.equals(shiftASticky));
	});


	/**
	* Test inequality - 'a' with modifier key vs. 'a' without modifier key.
	* These should not be equal.
	*/
	TEST_F('CvoxKeySequenceUnitTest', 'Inequality', function() {
	var aNoModifier = new cvox.KeySequence(this.aEvent, false);
	var aWithModifier = new cvox.KeySequence(this.aEvent, true);

	assertFalse(aNoModifier.equals(aWithModifier));
	assertFalse(aWithModifier.equals(aNoModifier));
	});


	/**
	* Test equality - adding an additional key onto a sequence.
	*/
	TEST_F('CvoxKeySequenceUnitTest', 'CvoxCtrl', function() {
	var cvoxCtrlSequence = new cvox.KeySequence(this.ctrlEvent, true);
	assertTrue(cvoxCtrlSequence.addKeyEvent(this.rightArrowEvent));

	assertEquals(2, cvoxCtrlSequence.length());

	// Can't add more than two key events.
	assertFalse(cvoxCtrlSequence.addKeyEvent(this.rightArrowEvent));

	var cvoxCtrlStickySequence = new cvox.KeySequence(this.ctrlStickyEvent,
	false);
	assertTrue(cvoxCtrlStickySequence.addKeyEvent(this.rightArrowEvent));

	var mockCtrlPrefixSequence = new cvox.KeySequence(this.ctrlPrefixEvent,
	false);
	assertTrue(mockCtrlPrefixSequence.addKeyEvent(this.rightArrowEvent));

	assertTrue(cvoxCtrlSequence.equals(cvoxCtrlStickySequence));
	assertTrue(cvoxCtrlStickySequence.equals(cvoxCtrlSequence));

	assertTrue(cvoxCtrlSequence.equals(mockCtrlPrefixSequence));
	assertTrue(mockCtrlPrefixSequence.equals(cvoxCtrlSequence));

	assertTrue(cvoxCtrlStickySequence.equals(mockCtrlPrefixSequence));
	assertTrue(mockCtrlPrefixSequence.equals(cvoxCtrlStickySequence));
	});


	/**
	* Test for inequality - key sequences in different orders.
	*/
	TEST_F('CvoxKeySequenceUnitTest', 'DifferentSequences', function() {
	var cvoxBSequence = new cvox.KeySequence(this.bEvent, true);
	assertTrue(cvoxBSequence.addKeyEvent(this.cEvent));

	var cvoxCSequence = new cvox.KeySequence(this.cEvent, false);
	assertTrue(cvoxCSequence.addKeyEvent(this.bEvent));

	assertFalse(cvoxBSequence.equals(cvoxCSequence));
	assertFalse(cvoxCSequence.equals(cvoxBSequence));
	});


	/**
	* Tests modifiers (ctrl, alt, etc) - if two sequences have different modifiers
	* held down then they aren't equal.
	*/
	TEST_F('CvoxKeySequenceUnitTest', 'MoreModifiers', function() {
	var ctrlASequence = new cvox.KeySequence(this.ctrlAEvent, false);
	var ctrlModifierKeyASequence = new cvox.KeySequence(this.ctrlAEvent, true);

	var ctrlBSequence = new cvox.KeySequence(this.ctrlBEvent, false);

	var metaASequence = new cvox.KeySequence(this.metaAEvent, false);

	assertFalse(ctrlASequence.equals(metaASequence));
	assertFalse(ctrlASequence.equals(ctrlModifierKeyASequence));
	assertFalse(ctrlASequence.equals(ctrlBSequence));
	});


	/**
	* Tests modifier (ctrl, alt, etc) order - if two sequences have the same
	* modifiers but held down in a different order then they aren't equal.
	*/
	TEST_F('CvoxKeySequenceUnitTest', 'ModifierOrder', function() {
	var ctrlShiftSequence = new cvox.KeySequence(this.ctrlShiftEvent, false);
	var shiftCtrlSequence = new cvox.KeySequence(this.shiftCtrlEvent, true);

	assertFalse(ctrlShiftSequence.equals(shiftCtrlSequence));
	});


	/**
	* Tests converting from a string to a KeySequence object.
	*/
	TEST_F('CvoxKeySequenceUnitTest', 'FromStr', function() {
	var ctrlString = cvox.KeySequence.fromStr('Ctrl');
	assertEqualsJSON(ctrlString.keys.ctrlKey, [true]);
	assertEqualsJSON(ctrlString.keys.keyCode, [17]);

	var modifiedLetterString = cvox.KeySequence.fromStr('Ctrl+Z');
	assertEqualsJSON(modifiedLetterString.keys.ctrlKey, [true]);
	assertEqualsJSON(modifiedLetterString.keys.keyCode, [90]);

	var keyCodeString = cvox.KeySequence.fromStr('#9');
	assertEqualsJSON(keyCodeString.keys.keyCode, [9]);

	var modifiedKeyCodeString = cvox.KeySequence.fromStr('Shift+#9');
	assertEqualsJSON(modifiedKeyCodeString.keys.shiftKey, [true]);
	assertEqualsJSON(modifiedKeyCodeString.keys.keyCode, [9]);

	var cvoxLetterString = cvox.KeySequence.fromStr('Cvox+U');
	assertTrue(cvoxLetterString.cvoxModifier);
	assertEqualsJSON(cvoxLetterString.keys.keyCode, [85]);

	var cvoxSequenceString = cvox.KeySequence.fromStr('Cvox+C>T');
	assertTrue(cvoxSequenceString.cvoxModifier);
	assertEqualsJSON(cvoxSequenceString.keys.keyCode, [67, 84]);

	var cvoxSequenceKeyCodeString = cvox.KeySequence.fromStr('Cvox+L>#186');
	assertTrue(cvoxSequenceKeyCodeString.cvoxModifier);
	assertEqualsJSON(cvoxSequenceKeyCodeString.keys.keyCode, [76, 186]);

	var stickyString = cvox.KeySequence.fromStr('Insert>Insert+');
	assertEqualsJSON(stickyString.keys.keyCode, [45, 45]);
	});


	/**
	* Tests converting from a JSON string to a KeySequence object.
	*/
	TEST_F('CvoxKeySequenceUnitTest', 'Deserialize', function() {
	var forwardSequence = cvox.KeySequence.deserialize({'cvoxModifier': true,
	'stickyMode': false, 'prefixKey': false, 'keys': {'ctrlKey': [false],
	'searchKeyHeld': [false], 'altKey': [false], 'altGraphKey': [false],
	'shiftKey': [false], 'metaKey': [false], 'keyCode': [40]}});
	assertTrue(forwardSequence.cvoxModifier);
	assertEqualsJSON(forwardSequence.keys.keyCode, [40]);

	var ctrlSequence = cvox.KeySequence.deserialize({'cvoxModifier': false,
	'stickyMode': true, 'prefixKey': false, 'keys': {'ctrlKey': [true],
	'searchKeyHeld': [false], 'altKey': [false], 'altGraphKey': [false],
	'shiftKey': [false], 'metaKey': [false], 'keyCode': [17]}});
	assertEqualsJSON(ctrlSequence.keys.ctrlKey, [true]);
	assertEqualsJSON(ctrlSequence.keys.keyCode, [17]);
	});