/* Glazed Lists (c) 2003-2006 */
/* http://publicobject.com/glazedlists/ publicobject.com,*/
/* O'Dell Engineering Ltd.*/
package ca.odell.glazedlists.event;
import junit.framework.TestCase;
import ca.odell.glazedlists.impl.event.Tree4Deltas;
/**
* @author <a href="mailto:jesse@swank.ca">Jesse Wilson</a>
*/
public class Tree4DeltasTest extends TestCase {
/**
* Make sure the deltas iterator works as expected.
*/
public void testIterateByBlocks() {
Tree4Deltas deltas = new Tree4Deltas();
deltas.reset(10);
deltas.targetInsert(3, 6, null);
deltas.targetDelete(8, 10, ListEvent.UNKNOWN_VALUE);
Tree4Deltas.Iterator iterator = deltas.iterator();
assertEquals(true, iterator.hasNextNode());
assertEquals(true, iterator.nextNode());
assertEquals(3, iterator.getIndex());
assertEquals(6, iterator.getEndIndex());
assertEquals(ListEvent.INSERT, iterator.getType());
assertEquals(true, iterator.hasNextNode());
assertEquals(true, iterator.nextNode());
assertEquals(8, iterator.getIndex());
assertEquals(10, iterator.getEndIndex());
assertEquals(ListEvent.DELETE, iterator.getType());
assertEquals(false, iterator.hasNextNode());
}
public void testTargetChanges() {
Tree4Deltas deltas = new Tree4Deltas();
deltas.reset(10);
assertEquals("__________", deltas.toString());
deltas.targetDelete(5, 6, null);
deltas.targetInsert(2, 3, null);
deltas.targetUpdate(8, 9, null, null);
assertEquals("__+___X__U_", deltas.toString());
deltas.sourceInsert(0);
assertEquals("___+___X__U_", deltas.toString());
deltas.sourceDelete(0);
assertEquals("__+___X__U_", deltas.toString());
deltas.sourceDelete(8);
assertEquals("__+___X___", deltas.toString());
deltas.sourceDelete(5);
assertEquals("__+______", deltas.toString());
deltas.targetInsert(2, 6, null);
assertEquals("__+++++______", deltas.toString());
deltas.sourceInsert(8);
assertEquals("__+++++_______", deltas.toString());
}
public void testTargetValues() {
Tree4Deltas<String> deltas = new Tree4Deltas<String>();
deltas.reset(10);
assertEquals("__________", deltas.toString());
deltas.targetDelete(5, 6, null);
deltas.targetInsert(2, 3, "i");
deltas.targetUpdate(8, 9, "u", null);
assertEquals("i", deltas.getTargetValue(2));
assertEquals("u", deltas.getTargetValue(8));
assertEquals(ListEvent.UNKNOWN_VALUE, deltas.getTargetValue(0));
}
}