Initial commit of 001code-html Scratch frontend project.
Includes scratch-gui, scratch-vm, scratch-blocks, scratch-render, scratch-l10n, and deployment config. Co-authored-by: Cursor <cursoragent@cursor.com>
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381
scratch-blocks/tests/jsunit/workspace_undo_redo_test.js
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381
scratch-blocks/tests/jsunit/workspace_undo_redo_test.js
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/**
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* @license
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* Visual Blocks Editor
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*
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* Copyright 2017 Google Inc.
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* https://developers.google.com/blockly/
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/**
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* @fileoverview Tests for Blockly.Workspace.undo.
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* @author marisaleung@google.com (Marisa Leung)
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*/
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'use strict';
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goog.require('goog.events.EventHandler');
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goog.require('goog.testing');
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goog.require('goog.testing.events');
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goog.require('goog.testing.MockControl');
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var workspace;
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var mockControl_;
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var savedFireFunc = Blockly.Events.fire;
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function temporary_fireEvent(event) {
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if (!Blockly.Events.isEnabled()) {
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return;
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}
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Blockly.Events.FIRE_QUEUE_.push(event);
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Blockly.Events.fireNow_();
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}
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function undoRedoTest_setUp() {
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defineGetVarBlock();
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workspace = new Blockly.Workspace();
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mockControl_ = new goog.testing.MockControl();
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Blockly.Events.fire = temporary_fireEvent;
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}
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function undoRedoTest_tearDown() {
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undefineGetVarBlock();
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mockControl_.$tearDown();
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workspace.dispose();
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Blockly.Events.fire = savedFireFunc;
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}
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/**
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* Check that the top block with the given index contains a variable with
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* the given name.
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* @param {number} blockIndex The index of the top block.
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* @param {string} name The expected name of the variable in the block.
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*/
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function undoRedoTest_checkBlockVariableName(blockIndex, name) {
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var blockVarName = workspace.topBlocks_[blockIndex].getVarModels()[0].name;
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assertEquals(name, blockVarName);
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}
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function createTwoVarsEmptyType() {
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workspace.createVariable('name1', '', 'id1');
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workspace.createVariable('name2', '', 'id2');
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}
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function createTwoVarsDifferentTypes() {
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workspace.createVariable('name1', 'type1', 'id1');
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workspace.createVariable('name2', 'type2', 'id2');
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}
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function test_undoCreateVariable_Trivial() {
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undoRedoTest_setUp();
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createTwoVarsDifferentTypes();
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workspace.undo();
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checkVariableValues(workspace, 'name1', 'type1', 'id1');
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assertNull(workspace.getVariableById('id2'));
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workspace.undo();
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assertNull(workspace.getVariableById('id1'));
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assertNull(workspace.getVariableById('id2'));
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undoRedoTest_tearDown();
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}
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function test_redoAndUndoCreateVariable_Trivial() {
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undoRedoTest_setUp();
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createTwoVarsDifferentTypes();
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workspace.undo();
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workspace.undo(true);
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// Expect that variable 'id2' is recreated
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checkVariableValues(workspace, 'name1', 'type1', 'id1');
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checkVariableValues(workspace, 'name2', 'type2', 'id2');
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workspace.undo();
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workspace.undo();
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workspace.undo(true);
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// Expect that variable 'id1' is recreated
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checkVariableValues(workspace, 'name1', 'type1', 'id1');
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assertNull(workspace.getVariableById('id2'));
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undoRedoTest_tearDown();
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}
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function test_undoDeleteVariable_NoBlocks() {
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undoRedoTest_setUp();
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createTwoVarsDifferentTypes();
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workspace.deleteVariableById('id1');
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workspace.deleteVariableById('id2');
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workspace.undo();
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assertNull(workspace.getVariableById('id1'));
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checkVariableValues(workspace, 'name2', 'type2', 'id2');
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workspace.undo();
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checkVariableValues(workspace, 'name1', 'type1', 'id1');
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checkVariableValues(workspace, 'name2', 'type2', 'id2');
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undoRedoTest_tearDown();
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}
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function test_undoDeleteVariable_WithBlocks() {
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undoRedoTest_setUp();
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createTwoVariablesAndBlocks(workspace);
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workspace.deleteVariableById('id1');
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workspace.deleteVariableById('id2');
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workspace.undo();
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undoRedoTest_checkBlockVariableName(0, 'name2');
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assertNull(workspace.getVariableById('id1'));
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checkVariableValues(workspace, 'name2', 'type2', 'id2');
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workspace.undo();
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undoRedoTest_checkBlockVariableName(0, 'name2');
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undoRedoTest_checkBlockVariableName(1, 'name1');
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checkVariableValues(workspace, 'name1', 'type1', 'id1');
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checkVariableValues(workspace, 'name2', 'type2', 'id2');
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undoRedoTest_tearDown();
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}
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function test_redoAndUndoDeleteVariable_NoBlocks() {
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undoRedoTest_setUp();
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createTwoVarsDifferentTypes();
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workspace.deleteVariableById('id1');
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workspace.deleteVariableById('id2');
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workspace.undo();
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workspace.undo(true);
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// Expect that both variables are deleted
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assertNull(workspace.getVariableById('id1'));
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assertNull(workspace.getVariableById('id2'));
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workspace.undo();
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workspace.undo();
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workspace.undo(true);
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// Expect that variable 'id2' is recreated
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assertNull(workspace.getVariableById('id1'));
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checkVariableValues(workspace, 'name2', 'type2', 'id2');
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undoRedoTest_tearDown();
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}
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function test_redoAndUndoDeleteVariable_WithBlocks() {
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undoRedoTest_setUp();
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createTwoVariablesAndBlocks(workspace);
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workspace.deleteVariableById('id1');
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workspace.deleteVariableById('id2');
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workspace.undo();
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workspace.undo(true);
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// Expect that both variables are deleted
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assertEquals(0, workspace.topBlocks_.length);
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assertNull(workspace.getVariableById('id1'));
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assertNull(workspace.getVariableById('id2'));
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workspace.undo();
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workspace.undo();
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workspace.undo(true);
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// Expect that variable 'id2' is recreated
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undoRedoTest_checkBlockVariableName(0, 'name2');
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assertNull(workspace.getVariableById('id1'));
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checkVariableValues(workspace, 'name2', 'type2', 'id2');
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undoRedoTest_tearDown();
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}
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function test_redoAndUndoDeleteVariableTwice_NoBlocks() {
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undoRedoTest_setUp();
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workspace.createVariable('name1', 'type1', 'id1');
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workspace.deleteVariableById('id1');
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workspace.deleteVariableById('id1');
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// Check the undoStack only recorded one delete event.
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var undoStack = workspace.undoStack_;
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assertEquals('var_delete', undoStack[undoStack.length-1].type);
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assertNotEquals('var_delete', undoStack[undoStack.length-2].type);
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// undo delete
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workspace.undo();
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checkVariableValues(workspace, 'name1', 'type1', 'id1');
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// redo delete
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workspace.undo(true);
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assertNull(workspace.getVariableById('id1'));
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// redo delete, nothing should happen
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workspace.undo(true);
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assertNull(workspace.getVariableById('id1'));
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undoRedoTest_tearDown();
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}
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function test_redoAndUndoDeleteVariableTwice_WithBlocks() {
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undoRedoTest_setUp();
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var id = 'id1';
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workspace.createVariable('name1', 'type1', id);
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createMockBlock(id);
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workspace.deleteVariableById(id);
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workspace.deleteVariableById(id);
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// Check the undoStack only recorded one delete event.
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var undoStack = workspace.undoStack_;
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assertEquals('var_delete', undoStack[undoStack.length-1].type);
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assertEquals('delete', undoStack[undoStack.length-2].type);
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assertNotEquals('var_delete', undoStack[undoStack.length-3].type);
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// undo delete
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workspace.undo();
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undoRedoTest_checkBlockVariableName(0, 'name1');
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checkVariableValues(workspace, 'name1', 'type1', id);
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// redo delete
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workspace.undo(true);
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assertEquals(0, workspace.topBlocks_.length);
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assertNull(workspace.getVariableById(id));
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// redo delete, nothing should happen
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workspace.undo(true);
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assertEquals(0, workspace.topBlocks_.length);
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assertNull(workspace.getVariableById(id));
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undoRedoTest_tearDown();
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}
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function test_undoRedoRenameVariable_OneExists_NoBlocks() {
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undoRedoTest_setUp();
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workspace.createVariable('name1', '', 'id1');
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workspace.renameVariableById('id1', 'name2');
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workspace.undo();
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checkVariableValues(workspace, 'name1', '', 'id1');
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workspace.undo(true);
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checkVariableValues(workspace, 'name2', '', 'id1');
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undoRedoTest_tearDown();
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}
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function test_undoRedoRenameVariable_OneExists_WithBlocks() {
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undoRedoTest_setUp();
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workspace.createVariable('name1', '', 'id1');
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createMockBlock('id1');
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workspace.renameVariableById('id1', 'name2');
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workspace.undo();
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undoRedoTest_checkBlockVariableName(0, 'name1');
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checkVariableValues(workspace, 'name1', '', 'id1');
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workspace.undo(true);
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checkVariableValues(workspace, 'name2', '', 'id1');
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undoRedoTest_checkBlockVariableName(0, 'name2');
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undoRedoTest_tearDown();
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}
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function test_undoRedoRenameVariable_BothExist_NoBlocks() {
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undoRedoTest_setUp();
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createTwoVarsEmptyType();
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workspace.renameVariableById('id1', 'name2');
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workspace.undo();
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checkVariableValues(workspace, 'name1', '', 'id1');
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checkVariableValues(workspace, 'name2', '', 'id2');
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workspace.undo(true);
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checkVariableValues(workspace, 'name2', '', 'id2');
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assertNull(workspace.getVariableById('id1'));
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undoRedoTest_tearDown();
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}
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function test_undoRedoRenameVariable_BothExist_WithBlocks() {
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undoRedoTest_setUp();
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createTwoVarsEmptyType();
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createMockBlock('id1');
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createMockBlock('id2');
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workspace.renameVariableById('id1', 'name2');
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workspace.undo();
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undoRedoTest_checkBlockVariableName(0, 'name1');
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undoRedoTest_checkBlockVariableName(1, 'name2');
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checkVariableValues(workspace, 'name1', '', 'id1');
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checkVariableValues(workspace, 'name2', '', 'id2');
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workspace.undo(true);
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undoRedoTest_checkBlockVariableName(0, 'name2');
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undoRedoTest_checkBlockVariableName(1, 'name2');
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undoRedoTest_tearDown();
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}
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function test_undoRedoRenameVariable_BothExistCaseChange_NoBlocks() {
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undoRedoTest_setUp();
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createTwoVarsEmptyType();
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workspace.renameVariableById('id1', 'Name2');
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workspace.undo();
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checkVariableValues(workspace, 'name1', '', 'id1');
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checkVariableValues(workspace, 'name2', '', 'id2');
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workspace.undo(true);
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checkVariableValues(workspace, 'Name2', '', 'id2');
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assertNull(workspace.getVariable('name1'));
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undoRedoTest_tearDown();
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}
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function test_undoRedoRenameVariable_BothExistCaseChange_WithBlocks() {
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undoRedoTest_setUp();
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createTwoVarsEmptyType();
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createMockBlock('id1');
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createMockBlock('id2');
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workspace.renameVariableById('id1', 'Name2');
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workspace.undo();
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undoRedoTest_checkBlockVariableName(0, 'name1');
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undoRedoTest_checkBlockVariableName(1, 'name2');
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checkVariableValues(workspace, 'name1', '', 'id1');
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checkVariableValues(workspace, 'name2', '', 'id2');
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workspace.undo(true);
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checkVariableValues(workspace, 'Name2', '', 'id2');
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assertNull(workspace.getVariableById('id1'));
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undoRedoTest_checkBlockVariableName(0, 'Name2');
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undoRedoTest_checkBlockVariableName(1, 'Name2');
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undoRedoTest_tearDown();
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}
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function test_undoRedoRenameVariable_OnlyCaseChange_NoBlocks() {
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undoRedoTest_setUp();
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workspace.createVariable('name1', '', 'id1');
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workspace.renameVariableById('id1', 'Name1');
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workspace.undo();
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checkVariableValues(workspace, 'name1', '', 'id1');
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workspace.undo(true);
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checkVariableValues(workspace, 'Name1', '', 'id1');
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undoRedoTest_tearDown();
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}
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function test_undoRedoRenameVariable_OnlyCaseChange_WithBlocks() {
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undoRedoTest_setUp();
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workspace.createVariable('name1', '', 'id1');
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createMockBlock('id1');
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workspace.renameVariableById('id1', 'Name1');
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workspace.undo();
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undoRedoTest_checkBlockVariableName(0, 'name1');
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checkVariableValues(workspace, 'name1', '', 'id1');
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workspace.undo(true);
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checkVariableValues(workspace, 'Name1', '', 'id1');
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undoRedoTest_checkBlockVariableName(0, 'Name1');
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undoRedoTest_tearDown();
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}
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