001: /*
002: * $Header: /home/cvs/jakarta-commons/primitives/src/test/org/apache/commons/collections/primitives/TestDoubleCollections.java,v 1.1 2003/10/29 19:39:13 rwaldhoff Exp $
003: * ====================================================================
004: * The Apache Software License, Version 1.1
005: *
006: * Copyright (c) 2002-2003 The Apache Software Foundation. All rights
007: * reserved.
008: *
009: * Redistribution and use in source and binary forms, with or without
010: * modification, are permitted provided that the following conditions
011: * are met:
012: *
013: * 1. Redistributions of source code must retain the above copyright
014: * notice, this list of conditions and the following disclaimer.
015: *
016: * 2. Redistributions in binary form must reproduce the above copyright
017: * notice, this list of conditions and the following disclaimer in
018: * the documentation and/or other materials provided with the
019: * distribution.
020: *
021: * 3. The end-user documentation included with the redistribution, if
022: * any, must include the following acknowledgement:
023: * "This product includes software developed by the
024: * Apache Software Foundation (http://www.apache.org/)."
025: * Alternately, this acknowledgement may appear in the software itself,
026: * if and wherever such third-party acknowledgements normally appear.
027: *
028: * 4. The names "The Jakarta Project", "Commons", and "Apache Software
029: * Foundation" must not be used to endorse or promote products derived
030: * from this software without prior written permission. For written
031: * permission, please contact apache@apache.org.
032: *
033: * 5. Products derived from this software may not be called "Apache"
034: * nor may "Apache" appear in their names without prior written
035: * permission of the Apache Software Foundation.
036: *
037: * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
038: * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
039: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
040: * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
041: * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
042: * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
043: * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
044: * USE, DATA, OR PROFITS; OR BUSINESS DOUBLEERRUPTION) HOWEVER CAUSED AND
045: * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
046: * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
047: * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
048: * SUCH DAMAGE.
049: * ====================================================================
050: *
051: * This software consists of voluntary contributions made by many
052: * individuals on behalf of the Apache Software Foundation. For more
053: * information on the Apache Software Foundation, please see
054: * <http://www.apache.org/>.
055: *
056: */
057:
058: package org.apache.commons.collections.primitives;
059:
060: import junit.framework.Test;
061: import junit.framework.TestCase;
062: import junit.framework.TestSuite;
063:
064: /**
065: * @version $Revision: 1.1 $ $Date: 2003/10/29 19:39:13 $
066: * @author Rodney Waldhoff
067: */
068: public class TestDoubleCollections extends TestCase {
069:
070: //------------------------------------------------------------ Conventional
071:
072: public TestDoubleCollections(String testName) {
073: super (testName);
074: }
075:
076: public static Test suite() {
077: return new TestSuite(TestDoubleCollections.class);
078: }
079:
080: //---------------------------------------------------------------- Tests
081:
082: public void testSingletonDoubleListIterator() {
083: DoubleListIterator iter = DoubleCollections
084: .singletonDoubleListIterator((double) 17);
085: assertTrue(!iter.hasPrevious());
086: assertTrue(iter.hasNext());
087: assertEquals(17, iter.next(), (double) 0);
088: assertTrue(iter.hasPrevious());
089: assertTrue(!iter.hasNext());
090: assertEquals(17, iter.previous(), (double) 0);
091: try {
092: iter.set((double) 18);
093: fail("Expected UnsupportedOperationException");
094: } catch (UnsupportedOperationException e) {
095: // expected
096: }
097: }
098:
099: public void testSingletonDoubleIterator() {
100: DoubleIterator iter = DoubleCollections
101: .singletonDoubleIterator((double) 17);
102: assertTrue(iter.hasNext());
103: assertEquals(17, iter.next(), (double) 0);
104: assertTrue(!iter.hasNext());
105: try {
106: iter.remove();
107: fail("Expected UnsupportedOperationException");
108: } catch (UnsupportedOperationException e) {
109: // expected
110: }
111: }
112:
113: public void testSingletonDoubleList() {
114: DoubleList list = DoubleCollections
115: .singletonDoubleList((double) 17);
116: assertEquals(1, list.size());
117: assertEquals(17, list.get(0), (double) 0);
118: try {
119: list.add((double) 18);
120: fail("Expected UnsupportedOperationException");
121: } catch (UnsupportedOperationException e) {
122: // expected
123: }
124: }
125:
126: public void testUnmodifiableDoubleListNull() {
127: try {
128: DoubleCollections.unmodifiableDoubleList(null);
129: fail("Expected NullPointerException");
130: } catch (NullPointerException e) {
131: // expected
132: }
133: }
134:
135: public void testEmptyDoubleList() {
136: assertSame(DoubleCollections.EMPTY_DOUBLE_LIST,
137: DoubleCollections.getEmptyDoubleList());
138: assertTrue(DoubleCollections.EMPTY_DOUBLE_LIST.isEmpty());
139: try {
140: DoubleCollections.EMPTY_DOUBLE_LIST.add((double) 1);
141: fail("Expected UnsupportedOperationExcpetion");
142: } catch (UnsupportedOperationException e) {
143: // expected
144: }
145: }
146:
147: public void testUnmodifiableDoubleIteratorNull() {
148: try {
149: DoubleCollections.unmodifiableDoubleIterator(null);
150: fail("Expected NullPointerException");
151: } catch (NullPointerException e) {
152: // expected
153: }
154: }
155:
156: public void testEmptyDoubleIterator() {
157: assertSame(DoubleCollections.EMPTY_DOUBLE_ITERATOR,
158: DoubleCollections.getEmptyDoubleIterator());
159: assertTrue(!DoubleCollections.EMPTY_DOUBLE_ITERATOR.hasNext());
160: try {
161: DoubleCollections.EMPTY_DOUBLE_ITERATOR.remove();
162: fail("Expected UnsupportedOperationExcpetion");
163: } catch (UnsupportedOperationException e) {
164: // expected
165: }
166: }
167:
168: public void testUnmodifiableDoubleListIteratorNull() {
169: try {
170: DoubleCollections.unmodifiableDoubleListIterator(null);
171: fail("Expected NullPointerException");
172: } catch (NullPointerException e) {
173: // expected
174: }
175: }
176:
177: public void testEmptyDoubleListIterator() {
178: assertSame(DoubleCollections.EMPTY_DOUBLE_LIST_ITERATOR,
179: DoubleCollections.getEmptyDoubleListIterator());
180: assertTrue(!DoubleCollections.EMPTY_DOUBLE_LIST_ITERATOR
181: .hasNext());
182: assertTrue(!DoubleCollections.EMPTY_DOUBLE_LIST_ITERATOR
183: .hasPrevious());
184: try {
185: DoubleCollections.EMPTY_DOUBLE_LIST_ITERATOR
186: .add((double) 1);
187: fail("Expected UnsupportedOperationExcpetion");
188: } catch (UnsupportedOperationException e) {
189: // expected
190: }
191: }
192: }
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