001: /*
002: * $Id: TestDelegatingRowIterator.java,v 1.3 2005/04/22 21:34:17 ahimanikya Exp $
003: * =======================================================================
004: * Copyright (c) 2005 Axion Development Team. All rights reserved.
005: *
006: * Redistribution and use in source and binary forms, with or without
007: * modification, are permitted provided that the following conditions
008: * are met:
009: *
010: * 1. Redistributions of source code must retain the above
011: * copyright notice, this list of conditions and the following
012: * disclaimer.
013: *
014: * 2. Redistributions in binary form must reproduce the above copyright
015: * notice, this list of conditions and the following disclaimer in
016: * the documentation and/or other materials provided with the
017: * distribution.
018: *
019: * 3. The names "Tigris", "Axion", nor the names of its contributors may
020: * not be used to endorse or promote products derived from this
021: * software without specific prior written permission.
022: *
023: * 4. Products derived from this software may not be called "Axion", nor
024: * may "Tigris" or "Axion" appear in their names without specific prior
025: * written permission.
026: *
027: * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
028: * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
029: * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
030: * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
031: * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
032: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
033: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
034: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
035: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
036: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
037: * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
038: * =======================================================================
039: */
040:
041: package org.axiondb.engine.rowiterators;
042:
043: import java.util.ArrayList;
044: import java.util.Iterator;
045: import java.util.List;
046:
047: import junit.framework.Test;
048: import junit.framework.TestSuite;
049:
050: import org.axiondb.AxionException;
051: import org.axiondb.Row;
052: import org.axiondb.RowIterator;
053: import org.axiondb.engine.rows.SimpleRow;
054:
055: /**
056: * @version $Revision: 1.3 $ $Date: 2005/04/22 21:34:17 $
057: * @author Ahimanikya Satapathy
058: */
059: public class TestDelegatingRowIterator extends AbstractRowIteratorTest {
060:
061: //------------------------------------------------------------ Conventional
062:
063: public TestDelegatingRowIterator(String testName) {
064: super (testName);
065: }
066:
067: public static Test suite() {
068: TestSuite suite = new TestSuite(TestDelegatingRowIterator.class);
069: return suite;
070: }
071:
072: //---------------------------------------------------------- Abstract Impls
073:
074: public RowIterator makeRowIterator() {
075: List list = makeRowList();
076: RowIterator iter = new ListIteratorRowIterator(list
077: .listIterator());
078: return new DelegatingRowIterator(iter) {
079: public void add(Row row) throws AxionException {
080: getDelegate().add(row);
081: }
082: };
083: }
084:
085: protected int getSize() {
086: return 10;
087: }
088:
089: public List makeRowList() {
090: ArrayList list = new ArrayList();
091: for (int i = 0; i < 10; i++) {
092: Row row = new SimpleRow(1);
093: row.set(0, new Integer(i));
094: list.add(row);
095: }
096: return list;
097: }
098:
099: //------------------------------------------------------------------- Tests
100:
101: public void testAdd() throws Exception {
102: RowIterator rows = makeRowIterator();
103: for (Iterator iter = makeRowList().iterator(); iter.hasNext();) {
104: rows.add((Row) iter.next());
105: }
106: for (Iterator iter = makeRowList().iterator(); iter.hasNext();) {
107: assertTrue(rows.hasNext());
108: assertEquals(iter.next(), rows.next());
109: }
110: assertTrue(!rows.hasNext());
111: rows.first();
112: for (int i = 0; i < 2; i++) {
113: for (Iterator iter = makeRowList().iterator(); iter
114: .hasNext();) {
115: assertTrue(rows.hasNext());
116: assertEquals(iter.next(), rows.next());
117: }
118: }
119: assertTrue(!rows.hasNext());
120: }
121:
122: public void testSetRemove() throws Exception {
123: RowIterator rows = makeRowIterator();
124: rows.next();
125: int nextIndex = rows.nextIndex();
126:
127: Row row = new SimpleRow(1);
128: row.set(0, new Integer(20));
129: rows.set(row);
130:
131: assertEquals(rows.previous(), row);
132: rows.remove();
133: assertEquals(nextIndex - 1, rows.nextIndex());
134:
135: try {
136: rows.set(row);
137: fail("Expected IllegalStateException");
138: } catch (IllegalStateException e) {
139:
140: }
141:
142: try {
143: rows.remove();
144: fail("Expected IllegalStateException");
145: } catch (IllegalStateException e) {
146:
147: }
148: }
149:
150: }
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