001: /* ========================================================================
002: * JCommon : a free general purpose class library for the Java(tm) platform
003: * ========================================================================
004: *
005: * (C) Copyright 2000-2005, by Object Refinery Limited and Contributors.
006: *
007: * Project Info: http://www.jfree.org/jcommon/index.html
008: *
009: * This library is free software; you can redistribute it and/or modify it
010: * under the terms of the GNU Lesser General Public License as published by
011: * the Free Software Foundation; either version 2.1 of the License, or
012: * (at your option) any later version.
013: *
014: * This library is distributed in the hope that it will be useful, but
015: * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
016: * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
017: * License for more details.
018: *
019: * You should have received a copy of the GNU Lesser General Public
020: * License along with this library; if not, write to the Free Software
021: * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
022: * USA.
023: *
024: * [Java is a trademark or registered trademark of Sun Microsystems, Inc.
025: * in the United States and other countries.]
026: *
027: * --------------------
028: * ArrayUtilsTests.java
029: * --------------------
030: * (C) Copyright 2004, by Object Refinery Limited and Contributors.
031: *
032: * Original Author: David Gilbert (for Object Refinery Limited);
033: * Contributor(s): -;
034: *
035: * $Id: ArrayUtilitiesTests.java,v 1.3 2005/10/18 13:25:14 mungady Exp $
036: *
037: * Changes
038: * -------
039: * 24-Aug-2004 : Version 1 (DG);
040: * 04-Oct-2004 : Renamed ArrayUtilsTests --> ArrayUtilitiesTests (DG);
041: *
042: */
043:
044: package org.jfree.util.junit;
045:
046: import junit.framework.Test;
047: import junit.framework.TestCase;
048: import junit.framework.TestSuite;
049:
050: import org.jfree.util.ArrayUtilities;
051:
052: /**
053: * Tests for the {@link ArrayUtilities} class.
054: */
055: public class ArrayUtilitiesTests extends TestCase {
056:
057: /**
058: * Returns the tests as a test suite.
059: *
060: * @return The test suite.
061: */
062: public static Test suite() {
063: return new TestSuite(ArrayUtilitiesTests.class);
064: }
065:
066: /**
067: * Constructs a new set of tests.
068: *
069: * @param name the name of the tests.
070: */
071: public ArrayUtilitiesTests(String name) {
072: super (name);
073: }
074:
075: /**
076: * Some tests for the hasDuplicateItems() method.
077: */
078: public void testHasDuplicateItems() {
079: Object[] a1 = new Object[] { "1", "2", "3" };
080: Object[] a2 = new Object[] { "1", "1", "3" };
081: Object[] a3 = new Object[] { null, "2", null };
082: assertFalse(ArrayUtilities.hasDuplicateItems(a1));
083: assertTrue(ArrayUtilities.hasDuplicateItems(a2));
084: assertFalse(ArrayUtilities.hasDuplicateItems(a3));
085: }
086:
087: /**
088: * Some checks for the equalReferencesInArrays() method.
089: */
090: public void testEqualReferencesInArrays() {
091: Object[] a1 = new Object[] {};
092: Object[] a2 = new Object[] {};
093: Object[] a3 = new Object[] { null };
094: Object[] a4 = new Object[] { null };
095: Object[] a5 = new Object[] { "A" };
096: Object[] a6 = new Object[] { "A" };
097: Object[] a7 = new Object[] { "A", "B" };
098: Object[] a8 = new Object[] { "A", "B" };
099: Object[] a9 = new Object[] { "A", null };
100: Object[] a10 = new Object[] { "A", null };
101:
102: assertTrue(ArrayUtilities.equalReferencesInArrays(a1, a2));
103: assertFalse(ArrayUtilities.equalReferencesInArrays(a1, a3));
104: assertTrue(ArrayUtilities.equalReferencesInArrays(a3, a4));
105: assertFalse(ArrayUtilities.equalReferencesInArrays(a3, a5));
106: assertTrue(ArrayUtilities.equalReferencesInArrays(a5, a6));
107: assertFalse(ArrayUtilities.equalReferencesInArrays(a5, a7));
108: assertTrue(ArrayUtilities.equalReferencesInArrays(a7, a8));
109: assertFalse(ArrayUtilities.equalReferencesInArrays(a7, a9));
110: assertTrue(ArrayUtilities.equalReferencesInArrays(a9, a10));
111: }
112: }
|