tests/org.simantics.db.tests/src/org/simantics/db/tests/api/support/undoRedoSupport/UndoTest10.java

   1 /*******************************************************************************
   2  * Copyright (c) 2007, 2010 Association for Decentralized Information Management
   3  * in Industry THTH ry.
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *     VTT Technical Research Centre of Finland - initial API and implementation
  11  *******************************************************************************/
  12 package org.simantics.db.tests.api.support.undoRedoSupport;
  13
  14 import java.util.ArrayList;
  15 import java.util.List;
  16
  17 import org.junit.Test;
  18 import org.simantics.db.Resource;
  19 import org.simantics.db.Session;
  20 import org.simantics.db.WriteGraph;
  21 import org.simantics.db.common.request.WriteRequest;
  22 import org.simantics.db.common.utils.OrderedSetUtils;
  23 import org.simantics.db.exception.DatabaseException;
  24 import org.simantics.db.service.UndoRedoSupport;
  25 import org.simantics.db.testing.base.ExistingDatabaseTest;
  26
  27 /**
  28  * Test case description missing!
  29  */
  30 public class UndoTest10 extends ExistingDatabaseTest {
  31
  32         @Test
  33     public void testUndo10() throws Exception {
  34
  35         Session session = getSession();
  36         final UndoRedoSupport support = session.getService(UndoRedoSupport.class);
  37         try {
  38             UndoTestOrderedSet10 c1 = new UndoTestOrderedSet10(session, support);
  39             List<Resource> elements = new ArrayList<Resource>();
  40             Resource list = c1.create(elements);
  41             c1.check(list, elements);
  42             c1.add(list, elements);
  43             List<Resource> elements2 = new ArrayList<Resource>();
  44             elements2.addAll(elements);
  45             c1.front2(list, elements2);
  46             c1.check(list, elements2);
  47             c1.back(list, elements2);
  48             c1.check(list, elements2);
  49             c1.front(list, elements2);
  50             c1.check(list, elements2);
  51             c1.back(list, elements2);
  52             c1.check(list, elements2);
  53             c1.undo();
  54             c1.undo();
  55             c1.undo();
  56             c1.undo();
  57             c1.check(list, elements);
  58             c1.add(list, elements);
  59             elements2.clear();
  60         } catch (Throwable t) {
  61             fail("Test failed with exception " + t);
  62         }
  63     }
  64     class UndoTestOrderedSet10 extends UndoTestOrderedSet {
  65         UndoTestOrderedSet10(Session session, UndoRedoSupport support) {
  66             super(session, support);
  67         }
  68         void front2(final Resource list, final List<Resource> els)
  69         throws DatabaseException {
  70             session.syncRequest(new WriteRequest() {
  71                 @Override
  72                 public void perform(WriteGraph g) throws DatabaseException {
  73                     g.markUndoPoint();
  74                     FirstLast fl = getFirstLast(g, list, els);
  75                     if (null == fl.first)
  76                         return;
  77                     Resource n = OrderedSetUtils.next(g, list, fl.first);
  78                     if (n.getResourceId() == fl.first.getResourceId())
  79                         return;
  80                     OrderedSetUtils.remove(g, list, n);
  81                     OrderedSetUtils.addFirst(g, list, n);
  82                     els.add(0, els.remove(1));
  83                 }
  84             });
  85         }
  86     }
  87 }