<!DOCTYPE html>
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<html>
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<head>
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<link rel='stylesheet' href='qunit/qunit.css' type='text/css'/>
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<script src='../editor/lib/jquery.js'></script>
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<script type='text/javascript' src='../editor/src/history.js'></script>
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<script type='text/javascript' src='qunit/qunit.js'></script>
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<script type='text/javascript'>
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$(function() {
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// TODO(codedread): Write tests for handling history events.
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// Mocked out methods.
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svgedit.transformlist = {};
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svgedit.transformlist.removeElementFromListMap = function(elem) {};
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svgedit.utilities = {};
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svgedit.utilities.getHref = function(elem) { return '#foo'; };
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svgedit.utilities.setHref = function(elem, val) {};
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svgedit.utilities.getRotationAngle = function(elem) { return 0; };
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// log function
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QUnit.log = function(result, message) {
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if (window.console && window.console.log) {
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window.console.log(result +' :: '+ message);
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}
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};
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var svgns = 'http://www.w3.org/2000/svg';
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var svg = document.createElementNS(svgns, 'svg');
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var undoMgr = null;
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var divparent = document.getElementById('divparent');
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var div1 = document.getElementById('div1');
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var div2 = document.getElementById('div2');
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var div3 = document.getElementById('div3');
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var div4 = document.getElementById('div4');
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var div5 = document.getElementById('div5');
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module('svgedit.history');
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var MockCommand = function(opt_text) { this.text_ = opt_text; };
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MockCommand.prototype.apply = function() {};
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MockCommand.prototype.unapply = function() {};
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MockCommand.prototype.getText = function() { return this.text_; };
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MockCommand.prototype.elements = function() { return []; };
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var MockHistoryEventHandler = function() {};
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MockHistoryEventHandler.prototype.handleHistoryEvent = function(eventType, command) {};
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function setUp() {
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undoMgr = new svgedit.history.UndoManager();
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}
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function tearDown() {
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undoMgr = null;
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}
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test('Test svgedit.history package', function() {
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expect(13);
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ok(svgedit.history);
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ok(svgedit.history.MoveElementCommand);
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ok(svgedit.history.InsertElementCommand);
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ok(svgedit.history.ChangeElementCommand);
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ok(svgedit.history.RemoveElementCommand);
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ok(svgedit.history.BatchCommand);
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ok(svgedit.history.UndoManager);
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equals(typeof svgedit.history.MoveElementCommand, typeof function(){});
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equals(typeof svgedit.history.InsertElementCommand, typeof function(){});
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equals(typeof svgedit.history.ChangeElementCommand, typeof function(){});
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equals(typeof svgedit.history.RemoveElementCommand, typeof function(){});
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equals(typeof svgedit.history.BatchCommand, typeof function(){});
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equals(typeof svgedit.history.UndoManager, typeof function(){});
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});
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test('Test UndoManager methods', function() {
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expect(14);
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setUp();
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ok(undoMgr);
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ok(undoMgr.addCommandToHistory);
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ok(undoMgr.getUndoStackSize);
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ok(undoMgr.getRedoStackSize);
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ok(undoMgr.resetUndoStack);
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ok(undoMgr.getNextUndoCommandText);
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ok(undoMgr.getNextRedoCommandText);
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equals(typeof undoMgr, typeof {});
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equals(typeof undoMgr.addCommandToHistory, typeof function(){});
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equals(typeof undoMgr.getUndoStackSize, typeof function(){});
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equals(typeof undoMgr.getRedoStackSize, typeof function(){});
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equals(typeof undoMgr.resetUndoStack, typeof function(){});
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equals(typeof undoMgr.getNextUndoCommandText, typeof function(){});
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equals(typeof undoMgr.getNextRedoCommandText, typeof function(){});
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tearDown();
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});
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test('Test UndoManager.addCommandToHistory() function', function() {
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expect(3);
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setUp();
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equals(undoMgr.getUndoStackSize(), 0);
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undoMgr.addCommandToHistory(new MockCommand());
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equals(undoMgr.getUndoStackSize(), 1);
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undoMgr.addCommandToHistory(new MockCommand());
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equals(undoMgr.getUndoStackSize(), 2);
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tearDown();
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});
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test('Test UndoManager.getUndoStackSize() and getRedoStackSize() functions', function() {
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expect(18);
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setUp();
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undoMgr.addCommandToHistory(new MockCommand());
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undoMgr.addCommandToHistory(new MockCommand());
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undoMgr.addCommandToHistory(new MockCommand());
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equals(undoMgr.getUndoStackSize(), 3);
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equals(undoMgr.getRedoStackSize(), 0);
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undoMgr.undo();
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equals(undoMgr.getUndoStackSize(), 2);
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equals(undoMgr.getRedoStackSize(), 1);
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undoMgr.undo();
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equals(undoMgr.getUndoStackSize(), 1);
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equals(undoMgr.getRedoStackSize(), 2);
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undoMgr.undo();
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equals(undoMgr.getUndoStackSize(), 0);
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equals(undoMgr.getRedoStackSize(), 3);
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undoMgr.undo();
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equals(undoMgr.getUndoStackSize(), 0);
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equals(undoMgr.getRedoStackSize(), 3);
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undoMgr.redo();
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equals(undoMgr.getUndoStackSize(), 1);
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equals(undoMgr.getRedoStackSize(), 2);
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undoMgr.redo();
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equals(undoMgr.getUndoStackSize(), 2);
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equals(undoMgr.getRedoStackSize(), 1);
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undoMgr.redo();
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equals(undoMgr.getUndoStackSize(), 3);
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equals(undoMgr.getRedoStackSize(), 0);
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undoMgr.redo();
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equals(undoMgr.getUndoStackSize(), 3);
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equals(undoMgr.getRedoStackSize(), 0);
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tearDown();
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});
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test('Test UndoManager.resetUndoStackSize() function', function() {
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expect(4);
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setUp();
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undoMgr.addCommandToHistory(new MockCommand());
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undoMgr.addCommandToHistory(new MockCommand());
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undoMgr.addCommandToHistory(new MockCommand());
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undoMgr.undo();
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equals(undoMgr.getUndoStackSize(), 2);
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equals(undoMgr.getRedoStackSize(), 1);
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undoMgr.resetUndoStack();
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equals(undoMgr.getUndoStackSize(), 0);
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equals(undoMgr.getRedoStackSize(), 0);
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tearDown();
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});
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test('Test UndoManager.getNextUndoCommandText() function', function() {
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expect(9);
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setUp();
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equals(undoMgr.getNextUndoCommandText(), '');
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undoMgr.addCommandToHistory(new MockCommand('First'));
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undoMgr.addCommandToHistory(new MockCommand('Second'));
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undoMgr.addCommandToHistory(new MockCommand('Third'));
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equals(undoMgr.getNextUndoCommandText(), 'Third');
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undoMgr.undo();
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equals(undoMgr.getNextUndoCommandText(), 'Second');
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undoMgr.undo();
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equals(undoMgr.getNextUndoCommandText(), 'First');
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undoMgr.undo();
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equals(undoMgr.getNextUndoCommandText(), '');
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undoMgr.redo();
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equals(undoMgr.getNextUndoCommandText(), 'First');
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undoMgr.redo();
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equals(undoMgr.getNextUndoCommandText(), 'Second');
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undoMgr.redo();
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equals(undoMgr.getNextUndoCommandText(), 'Third');
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undoMgr.redo();
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equals(undoMgr.getNextUndoCommandText(), 'Third');
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tearDown();
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});
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test('Test UndoManager.getNextRedoCommandText() function', function() {
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expect(8);
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setUp();
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equals(undoMgr.getNextRedoCommandText(), '');
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undoMgr.addCommandToHistory(new MockCommand('First'));
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undoMgr.addCommandToHistory(new MockCommand('Second'));
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undoMgr.addCommandToHistory(new MockCommand('Third'));
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equals(undoMgr.getNextRedoCommandText(), '');
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undoMgr.undo();
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equals(undoMgr.getNextRedoCommandText(), 'Third');
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undoMgr.undo();
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equals(undoMgr.getNextRedoCommandText(), 'Second');
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undoMgr.undo();
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equals(undoMgr.getNextRedoCommandText(), 'First');
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undoMgr.redo();
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equals(undoMgr.getNextRedoCommandText(), 'Second');
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undoMgr.redo();
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equals(undoMgr.getNextRedoCommandText(), 'Third');
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undoMgr.redo();
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equals(undoMgr.getNextRedoCommandText(), '');
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tearDown();
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});
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test('Test UndoManager.undo() and redo() functions', function() {
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expect(10);
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setUp();
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var lastCalled = null;
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var cmd1 = new MockCommand();
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var cmd2 = new MockCommand();
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var cmd3 = new MockCommand();
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cmd1.apply = function() { lastCalled = 'cmd1.apply'; };
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cmd2.apply = function() { lastCalled = 'cmd2.apply'; };
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cmd3.apply = function() { lastCalled = 'cmd3.apply'; };
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cmd1.unapply = function() { lastCalled = 'cmd1.unapply'; };
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cmd2.unapply = function() { lastCalled = 'cmd2.unapply'; };
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cmd3.unapply = function() { lastCalled = 'cmd3.unapply'; };
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undoMgr.addCommandToHistory(cmd1);
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undoMgr.addCommandToHistory(cmd2);
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undoMgr.addCommandToHistory(cmd3);
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ok(!lastCalled);
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undoMgr.undo();
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equals(lastCalled, 'cmd3.unapply');
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undoMgr.redo();
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equals(lastCalled, 'cmd3.apply');
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undoMgr.undo();
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undoMgr.undo();
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equals(lastCalled, 'cmd2.unapply');
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undoMgr.undo();
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equals(lastCalled, 'cmd1.unapply');
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lastCalled = null;
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undoMgr.undo();
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ok(!lastCalled);
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undoMgr.redo();
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equals(lastCalled, 'cmd1.apply');
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undoMgr.redo();
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equals(lastCalled, 'cmd2.apply');
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undoMgr.redo();
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equals(lastCalled, 'cmd3.apply');
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lastCalled = null;
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undoMgr.redo();
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ok(!lastCalled);
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tearDown();
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});
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test('Test MoveElementCommand', function() {
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expect(26);
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setUp();
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var move = new svgedit.history.MoveElementCommand(div3, div1, divparent);
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ok(move.unapply);
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ok(move.apply);
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equals(typeof move.unapply, typeof function(){});
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equals(typeof move.apply, typeof function(){});
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move.unapply();
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equals(divparent.firstElementChild, div3);
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equals(divparent.firstElementChild.nextElementSibling, div1);
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equals(divparent.lastElementChild, div2);
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move.apply();
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equals(divparent.firstElementChild, div1);
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equals(divparent.firstElementChild.nextElementSibling, div2);
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equals(divparent.lastElementChild, div3);
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move = new svgedit.history.MoveElementCommand(div1, null, divparent);
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move.unapply();
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equals(divparent.firstElementChild, div2);
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equals(divparent.firstElementChild.nextElementSibling, div3);
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equals(divparent.lastElementChild, div1);
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move.apply();
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equals(divparent.firstElementChild, div1);
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equals(divparent.firstElementChild.nextElementSibling, div2);
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equals(divparent.lastElementChild, div3);
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move = new svgedit.history.MoveElementCommand(div2, div5, div4);
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move.unapply();
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equals(divparent.firstElementChild, div1);
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equals(divparent.firstElementChild.nextElementSibling, div3);
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equals(divparent.lastElementChild, div3);
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equals(div4.firstElementChild, div2);
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equals(div4.firstElementChild.nextElementSibling, div5);
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move.apply();
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equals(divparent.firstElementChild, div1);
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equals(divparent.firstElementChild.nextElementSibling, div2);
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equals(divparent.lastElementChild, div3);
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equals(div4.firstElementChild, div5);
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equals(div4.lastElementChild, div5);
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tearDown();
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});
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test('Test InsertElementCommand', function() {
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expect(20);
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setUp();
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var insert = new svgedit.history.InsertElementCommand(div3);
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ok(insert.unapply);
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ok(insert.apply);
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equals(typeof insert.unapply, typeof function(){});
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equals(typeof insert.apply, typeof function(){});
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insert.unapply();
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equals(divparent.childElementCount, 2);
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equals(divparent.firstElementChild, div1);
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equals(div1.nextElementSibling, div2);
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equals(divparent.lastElementChild, div2);
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insert.apply();
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equals(divparent.childElementCount, 3);
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equals(divparent.firstElementChild, div1);
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equals(div1.nextElementSibling, div2);
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equals(div2.nextElementSibling, div3);
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insert = new svgedit.history.InsertElementCommand(div2);
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insert.unapply();
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equals(divparent.childElementCount, 2);
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equals(divparent.firstElementChild, div1);
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equals(div1.nextElementSibling, div3);
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equals(divparent.lastElementChild, div3);
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insert.apply();
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equals(divparent.childElementCount, 3);
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equals(divparent.firstElementChild, div1);
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equals(div1.nextElementSibling, div2);
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equals(div2.nextElementSibling, div3);
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tearDown();
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});
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test('Test RemoveElementCommand', function() {
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expect(22);
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setUp();
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var div6 = document.createElement('div');
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div6.id = 'div6';
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var remove = new svgedit.history.RemoveElementCommand(div6, null, divparent);
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ok(remove.unapply);
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ok(remove.apply);
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equals(typeof remove.unapply, typeof function(){});
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equals(typeof remove.apply, typeof function(){});
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remove.unapply();
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equals(divparent.childElementCount, 4);
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equals(divparent.firstElementChild, div1);
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equals(div1.nextElementSibling, div2);
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equals(div2.nextElementSibling, div3);
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equals(div3.nextElementSibling, div6);
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remove.apply();
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equals(divparent.childElementCount, 3);
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equals(divparent.firstElementChild, div1);
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equals(div1.nextElementSibling, div2);
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equals(div2.nextElementSibling, div3);
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remove = new svgedit.history.RemoveElementCommand(div6, div2, divparent);
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remove.unapply();
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equals(divparent.childElementCount, 4);
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equals(divparent.firstElementChild, div1);
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equals(div1.nextElementSibling, div6);
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equals(div6.nextElementSibling, div2);
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equals(div2.nextElementSibling, div3);
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remove.apply();
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equals(divparent.childElementCount, 3);
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equals(divparent.firstElementChild, div1);
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equals(div1.nextElementSibling, div2);
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equals(div2.nextElementSibling, div3);
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tearDown();
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});
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test('Test ChangeElementCommand', function() {
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expect(26);
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setUp();
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div1.setAttribute('title', 'new title');
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var change = new svgedit.history.ChangeElementCommand(div1,
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{'title': 'old title', 'class': 'foo'});
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ok(change.unapply);
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ok(change.apply);
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equals(typeof change.unapply, typeof function(){});
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equals(typeof change.apply, typeof function(){});
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change.unapply();
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equals(div1.getAttribute('title'), 'old title');
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equals(div1.getAttribute('class'), 'foo');
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change.apply();
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equals(div1.getAttribute('title'), 'new title');
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ok(!div1.getAttribute('class'));
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div1.textContent = 'inner text';
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change = new svgedit.history.ChangeElementCommand(div1,
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{'#text': null});
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change.unapply();
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ok(!div1.textContent);
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change.apply();
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equals(div1.textContent, 'inner text');
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div1.textContent = '';
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change = new svgedit.history.ChangeElementCommand(div1,
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{'#text': 'old text'});
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change.unapply();
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equals(div1.textContent, 'old text');
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change.apply();
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ok(!div1.textContent);
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// TODO(codedread): Refactor this #href stuff in history.js and svgcanvas.js
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var rect = document.createElementNS(svgns, 'rect');
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var justCalled = null;
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var gethrefvalue = null;
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var sethrefvalue = null;
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svgedit.utilities.getHref = function(elem) {
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equals(elem, rect);
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justCalled = 'getHref';
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return gethrefvalue;
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};
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svgedit.utilities.setHref = function(elem, val) {
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equals(elem, rect);
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equals(val, sethrefvalue);
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justCalled = 'setHref';
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};
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gethrefvalue = '#newhref';
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change = new svgedit.history.ChangeElementCommand(rect,
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{'#href': '#oldhref'});
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equals(justCalled, 'getHref');
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justCalled = null;
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sethrefvalue = '#oldhref';
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change.unapply();
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equals(justCalled, 'setHref');
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justCalled = null;
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sethrefvalue = '#newhref';
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change.apply();
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equals(justCalled, 'setHref');
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var line = document.createElementNS(svgns,'line');
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line.setAttributeNS(null, 'class', 'newClass');
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change = new svgedit.history.ChangeElementCommand(line,{class:'oldClass'});
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ok(change.unapply);
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ok(change.apply);
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equals(typeof change.unapply, typeof function(){});
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equals(typeof change.apply, typeof function(){});
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change.unapply();
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equals(line.getAttributeNS(null, 'class'), 'oldClass');
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change.apply();
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equals(line.getAttributeNS(null, 'class'), 'newClass');
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tearDown();
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});
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test('Test BatchCommand', function() {
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expect(13);
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setUp();
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var concatResult = '';
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MockCommand.prototype.apply = function() { concatResult += this.text_; };
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var batch = new svgedit.history.BatchCommand();
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ok(batch.unapply);
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ok(batch.apply);
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ok(batch.addSubCommand);
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ok(batch.isEmpty);
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equals(typeof batch.unapply, typeof function(){});
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equals(typeof batch.apply, typeof function(){});
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equals(typeof batch.addSubCommand, typeof function(){});
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equals(typeof batch.isEmpty, typeof function(){});
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ok(batch.isEmpty());
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batch.addSubCommand(new MockCommand('a'));
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ok(!batch.isEmpty());
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batch.addSubCommand(new MockCommand('b'));
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batch.addSubCommand(new MockCommand('c'));
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ok(!concatResult);
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batch.apply();
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equals(concatResult, 'abc');
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MockCommand.prototype.apply = function() {};
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MockCommand.prototype.unapply = function() { concatResult += this.text_; };
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concatResult = '';
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batch.unapply();
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equals(concatResult, 'cba');
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MockCommand.prototype.unapply = function() {};
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tearDown();
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});
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});
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</script>
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</head>
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<body>
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<h1 id='qunit-header'>Unit Tests for history.js</h1>
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<h2 id='qunit-banner'></h2>
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<h2 id='qunit-userAgent'></h2>
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<ol id='qunit-tests'>
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</ol>
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<div id='divparent' style='visibility:hidden'>
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<div id='div1'></div>
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<div id='div2'></div>
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<div id='div3'></div>
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</div>
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<div id='div4' style='visibility:hidden'>
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<div id='div5'></div>
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</div>
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</body>
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</html>
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