001: /*
002: * @(#)ChecksumUtilUTest.java
003: *
004: * Copyright (C) 2002-2003 Matt Albrecht
005: * groboclown@users.sourceforge.net
006: * http://groboutils.sourceforge.net
007: *
008: * Permission is hereby granted, free of charge, to any person obtaining a
009: * copy of this software and associated documentation files (the "Software"),
010: * to deal in the Software without restriction, including without limitation
011: * the rights to use, copy, modify, merge, publish, distribute, sublicense,
012: * and/or sell copies of the Software, and to permit persons to whom the
013: * Software is furnished to do so, subject to the following conditions:
014: *
015: * The above copyright notice and this permission notice shall be included in
016: * all copies or substantial portions of the Software.
017: *
018: * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
019: * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
020: * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
021: * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
022: * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
023: * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
024: * DEALINGS IN THE SOFTWARE.
025: */
026:
027: package net.sourceforge.groboutils.codecoverage.v2.util;
028:
029: import java.util.zip.CRC32;
030:
031: import junit.framework.Test;
032: import junit.framework.TestCase;
033: import junit.framework.TestSuite;
034: import net.sourceforge.groboutils.autodoc.v1.AutoDoc;
035:
036: /**
037: * Tests the ChecksumUtil class.
038: *
039: * @author Matt Albrecht <a href="mailto:groboclown@users.sourceforge.net">groboclown@users.sourceforge.net</a>
040: * @version $Date: 2004/04/15 05:48:29 $
041: * @since Feb 4, 2002
042: */
043: public class ChecksumUtilUTest extends TestCase {
044: //-------------------------------------------------------------------------
045: // Standard JUnit Class-specific declarations
046:
047: private static final Class THIS_CLASS = ChecksumUtilUTest.class;
048: private static final AutoDoc DOC = new AutoDoc(THIS_CLASS);
049:
050: public ChecksumUtilUTest(String name) {
051: super (name);
052: }
053:
054: //-------------------------------------------------------------------------
055: // Tests
056:
057: public void testGetInstance() {
058: assertNotNull("getInstance must never return null.",
059: ChecksumUtil.getInstance());
060: }
061:
062: public void testNullBytes() {
063: // should not throw an exception
064: CRC32 crc = new CRC32();
065: assertEquals("null bytes CRC should match empty CRC.", crc
066: .getValue(), ChecksumUtil.getInstance().checksum(
067: (byte[]) null));
068: }
069:
070: public void testEmptyBytes() {
071: CRC32 crc = new CRC32();
072: assertEquals("null bytes CRC should match empty CRC.", crc
073: .getValue(), ChecksumUtil.getInstance().checksum(
074: new byte[0]));
075: }
076:
077: public void testSimpleBytes() {
078: byte b[] = "George Washington".getBytes();
079: CRC32 crc = new CRC32();
080: crc.update(b, 0, b.length);
081: assertEquals("null bytes CRC should match empty CRC.", crc
082: .getValue(), ChecksumUtil.getInstance().checksum(b));
083: }
084:
085: //-------------------------------------------------------------------------
086: // Standard JUnit declarations
087:
088: public static Test suite() {
089: TestSuite suite = new TestSuite(THIS_CLASS);
090:
091: return suite;
092: }
093:
094: public static void main(String[] args) {
095: String[] name = { THIS_CLASS.getName() };
096:
097: // junit.textui.TestRunner.main( name );
098: // junit.swingui.TestRunner.main( name );
099:
100: junit.textui.TestRunner.main(name);
101: }
102:
103: /**
104: *
105: * @exception Exception thrown under any exceptional condition.
106: */
107: protected void setUp() throws Exception {
108: super .setUp();
109:
110: // set ourself up
111: }
112:
113: /**
114: *
115: * @exception Exception thrown under any exceptional condition.
116: */
117: protected void tearDown() throws Exception {
118: // tear ourself down
119:
120: super.tearDown();
121: }
122: }
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