001: /*
002: * $Id: TestUnmodifiableRowIterator.java,v 1.6 2005/04/22 21:34:17 ahimanikya Exp $
003: * =======================================================================
004: * Copyright (c) 2003 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.List;
045:
046: import junit.framework.Test;
047: import junit.framework.TestSuite;
048:
049: import org.axiondb.Row;
050: import org.axiondb.RowIterator;
051: import org.axiondb.engine.rows.SimpleRow;
052:
053: /**
054: * @version $Revision: 1.6 $ $Date: 2005/04/22 21:34:17 $
055: * @author Rodney Waldhoff
056: */
057: public class TestUnmodifiableRowIterator extends
058: AbstractRowIteratorTest {
059:
060: //------------------------------------------------------------ Conventional
061:
062: public TestUnmodifiableRowIterator(String testName) {
063: super (testName);
064: }
065:
066: public static Test suite() {
067: TestSuite suite = new TestSuite(
068: TestUnmodifiableRowIterator.class);
069: return suite;
070: }
071:
072: //---------------------------------------------------------- Abstract Impls
073:
074: public RowIterator makeRowIterator() {
075: return UnmodifiableRowIterator.wrap(new ListRowIterator(
076: makeRowList()));
077: }
078:
079: protected int getSize() {
080: return 10;
081: }
082:
083: public List makeRowList() {
084: List list = new ArrayList();
085: for (int i = 0; i < 10; i++) {
086: Row row = new SimpleRow(1);
087: row.set(0, new Integer(i));
088: list.add(row);
089: }
090: return list;
091: }
092:
093: //------------------------------------------------------------------- Tests
094:
095: public void testNotModifiable() throws Exception {
096: RowIterator iter = makeRowIterator();
097:
098: assertNotNull(iter.next());
099:
100: try {
101: iter.add(null);
102: fail("Expected UnsupportedOperationException");
103: } catch (UnsupportedOperationException e) {
104: // expected
105: }
106:
107: try {
108: iter.remove();
109: fail("Expected UnsupportedOperationException");
110: } catch (UnsupportedOperationException e) {
111: // expected
112: }
113:
114: try {
115: iter.set(null);
116: fail("Expected UnsupportedOperationException");
117: } catch (UnsupportedOperationException e) {
118: // expected
119: }
120:
121: }
122:
123: public void testWrapNull() throws Exception {
124: assertNull(UnmodifiableRowIterator.wrap(null));
125: }
126:
127: public void testWrapUnmodifiable() throws Exception {
128: UnmodifiableRowIterator iter = new UnmodifiableRowIterator(
129: EmptyRowIterator.INSTANCE);
130: assertSame(iter, UnmodifiableRowIterator.wrap(iter));
131: }
132:
133: public void testWrapNonNull() throws Exception {
134: assertNotNull(UnmodifiableRowIterator
135: .wrap(EmptyRowIterator.INSTANCE));
136: }
137: }
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