tests/org.simantics.db.tests/src/org/simantics/db/tests/api/support/undoRedoSupport/UndoTest11.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 UndoTest11 extends ExistingDatabaseTest {
  31
  32         @Test
  33     public void testUndo11() throws Exception {
  34
  35         Session session = getSession();
  36         final UndoRedoSupport support = session.getService(UndoRedoSupport.class);
  37         try {
  38             UndoTestOrderedSet11 c1 = new UndoTestOrderedSet11(session, support);
  39             List<Resource> elements = new ArrayList<Resource>();
  40             Resource list = c1.create(elements);
  41             List<Resource> elements2 = new ArrayList<Resource>();
  42             elements2.addAll(elements);
  43             c1.modify(list, elements2);
  44             c1.check(list, elements2);
  45             c1.undo();
  46             c1.check(list, elements);
  47         } catch (Throwable t) {
  48             fail("Test failed with exception ", t);
  49         }
  50     }
  51     class UndoTestOrderedSet11 extends UndoTestOrderedSet {
  52         UndoTestOrderedSet11(Session session, UndoRedoSupport support) {
  53             super(session, support);
  54         }
  55         void modify(final Resource list, final List<Resource> els)
  56         throws DatabaseException {
  57             session.syncRequest(new WriteRequest() {
  58                 @Override
  59                 public void perform(WriteGraph g) throws DatabaseException {
  60                     g.markUndoPoint();
  61                     FirstLast fl = getFirstLast(g, list, els);
  62                     if (null == fl.first)
  63                         return;
  64                     Resource el = g.newResource();
  65                     OrderedSetUtils.add(g, list, el);
  66                     OrderedSetUtils.remove(g, list, el);
  67                 }
  68             });
  69         }
  70     }
  71 }