Source Code Cross Referenced for MessageTest.java in  » Net » JGroups-2.4.1-sp3 » org » jgroups » tests » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Net » JGroups 2.4.1 sp3 » org.jgroups.tests 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        // $Id: MessageTest.java,v 1.13 2005/07/08 11:28:26 belaban Exp $
002:
003:        package org.jgroups.tests;
004:
005:        import junit.framework.Test;
006:        import junit.framework.TestCase;
007:        import junit.framework.TestSuite;
008:        import org.jgroups.Message;
009:        import org.jgroups.conf.ClassConfigurator;
010:        import org.jgroups.protocols.UdpHeader;
011:        import org.jgroups.protocols.TpHeader;
012:        import org.jgroups.protocols.PingHeader;
013:        import org.jgroups.protocols.pbcast.NakAckHeader;
014:        import org.jgroups.stack.IpAddress;
015:        import org.jgroups.util.Range;
016:        import org.jgroups.util.Util;
017:
018:        import java.io.ByteArrayInputStream;
019:        import java.io.ByteArrayOutputStream;
020:        import java.io.ObjectInputStream;
021:        import java.io.ObjectOutputStream;
022:
023:        public class MessageTest extends TestCase {
024:            Message m1, m2;
025:
026:            public MessageTest(String name) {
027:                super (name);
028:            }
029:
030:            public void testBufferSize() throws Exception {
031:                m1 = new Message(null, null, "bela");
032:                assertNotNull(m1.getRawBuffer());
033:                assertNotNull(m1.getBuffer());
034:                assertEquals(m1.getBuffer().length, m1.getLength());
035:                byte[] new_buf = { 'm', 'i', 'c', 'h', 'e', 'l', 'l', 'e' };
036:                m1.setBuffer(new_buf);
037:                assertNotNull(m1.getRawBuffer());
038:                assertNotNull(m1.getBuffer());
039:                assertEquals(new_buf.length, m1.getLength());
040:                assertEquals(m1.getBuffer().length, m1.getLength());
041:            }
042:
043:            public void testBufferOffset() throws Exception {
044:                byte[] buf = { 'b', 'e', 'l', 'a', 'b', 'a', 'n' };
045:                m1 = new Message(null, null, buf, 0, 4);
046:                m2 = new Message(null, null, buf, 4, 3);
047:
048:                byte[] b1, b2;
049:
050:                b1 = new byte[m1.getLength()];
051:                System.arraycopy(m1.getRawBuffer(), m1.getOffset(), b1, 0, m1
052:                        .getLength());
053:
054:                b2 = new byte[m2.getLength()];
055:                System.arraycopy(m2.getRawBuffer(), m2.getOffset(), b2, 0, m2
056:                        .getLength());
057:
058:                assertEquals(4, b1.length);
059:                assertEquals(3, b2.length);
060:            }
061:
062:            public void testInvalidOffset() {
063:                byte[] buf = { 'b', 'e', 'l', 'a', 'b', 'a', 'n' };
064:
065:                try {
066:                    m1 = new Message(null, null, buf, -1, 4);
067:                    fail("we should not get here (offset is -1)");
068:                } catch (ArrayIndexOutOfBoundsException ex) {
069:                    assertTrue("correct: offset is invalid (caught correctly)",
070:                            true);
071:                }
072:            }
073:
074:            public void testInvalidLength() {
075:                byte[] buf = { 'b', 'e', 'l', 'a', 'b', 'a', 'n' };
076:
077:                try {
078:                    m1 = new Message(null, null, buf, 3, 6);
079:                    fail("we should not get here (length is 9)");
080:                } catch (ArrayIndexOutOfBoundsException ex) {
081:                    assertTrue("correct: length is invalid (caught correctly)",
082:                            true);
083:                }
084:            }
085:
086:            public void testGetRawBuffer() {
087:                byte[] buf = { 'b', 'e', 'l', 'a', 'b', 'a', 'n' };
088:                m1 = new Message(null, null, buf, 0, 4);
089:                m2 = new Message(null, null, buf, 4, 3);
090:
091:                assertEquals(buf.length, m1.getRawBuffer().length);
092:                assertEquals(4, m1.getBuffer().length);
093:                assertEquals(4, m1.getLength());
094:
095:                assertEquals(buf.length, m2.getRawBuffer().length);
096:                assertEquals(3, m2.getBuffer().length);
097:                assertEquals(3, m2.getLength());
098:            }
099:
100:            public void testSerialization() throws Exception {
101:                byte[] buf = { 'b', 'e', 'l', 'a', 'b', 'a', 'n' };
102:                byte[] tmp;
103:                m1 = new Message(null, null, buf, 0, 4);
104:                m2 = new Message(null, null, buf, 4, 3);
105:
106:                ByteArrayOutputStream output = new ByteArrayOutputStream();
107:                ObjectOutputStream out = new ObjectOutputStream(output);
108:                out.writeObject(m1);
109:                output.close();
110:                tmp = output.toByteArray();
111:
112:                ByteArrayInputStream input = new ByteArrayInputStream(tmp);
113:                ObjectInputStream in = new ObjectInputStream(input);
114:                Message m3, m4;
115:
116:                m3 = (Message) in.readObject();
117:                assertEquals(4, m3.getLength());
118:                assertEquals(4, m3.getRawBuffer().length);
119:                assertEquals(4, m3.getBuffer().length);
120:                assertEquals(0, m3.getOffset());
121:
122:                output = new ByteArrayOutputStream();
123:                out = new ObjectOutputStream(output);
124:                out.writeObject(m2);
125:                output.close();
126:                tmp = output.toByteArray();
127:
128:                input = new ByteArrayInputStream(tmp);
129:                in = new ObjectInputStream(input);
130:                m4 = (Message) in.readObject();
131:                assertEquals(3, m4.getLength());
132:                assertEquals(3, m4.getBuffer().length);
133:                assertEquals(3, m4.getRawBuffer().length);
134:                assertEquals(0, m4.getOffset());
135:            }
136:
137:            public void testSetObject() {
138:                String s1 = "Bela Ban";
139:                m1 = new Message(null, null, s1);
140:                assertEquals(0, m1.getOffset());
141:                assertEquals(m1.getBuffer().length, m1.getLength());
142:                String s2 = (String) m1.getObject();
143:                assertEquals(s2, s1);
144:            }
145:
146:            public void testReset() {
147:                m1 = new Message(null, null, "Bela Ban");
148:                m1.reset();
149:                assertEquals(0, m1.getOffset());
150:                assertEquals(0, m1.getLength());
151:                assertNull(m1.getBuffer());
152:                assertNull(m1.getRawBuffer());
153:            }
154:
155:            public void testCopy() {
156:                m1 = new Message(null, null, "Bela Ban");
157:                m2 = m1.copy();
158:                assertEquals(m1.getOffset(), m2.getOffset());
159:                assertEquals(m1.getLength(), m2.getLength());
160:            }
161:
162:            public void testCopyWithOffset() {
163:                byte[] buf = { 'b', 'e', 'l', 'a', 'b', 'a', 'n' };
164:                m1 = new Message(null, null, buf, 0, 4);
165:                m2 = new Message(null, null, buf, 4, 3);
166:
167:                Message m3, m4;
168:                m3 = m1.copy();
169:                m4 = m2.copy();
170:
171:                assertEquals(0, m3.getOffset());
172:                assertEquals(4, m3.getLength());
173:                assertEquals(4, m3.getBuffer().length);
174:
175:                assertEquals(4, m4.getOffset());
176:                assertEquals(3, m4.getLength());
177:                assertEquals(3, m4.getBuffer().length);
178:            }
179:
180:            public void testComputeFragOffsets() {
181:                Range r;
182:                byte[] buf = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
183:                java.util.List retval = Util.computeFragOffsets(buf, 4);
184:                System.out.println("list is " + retval);
185:                assertEquals(3, retval.size());
186:                r = (Range) retval.get(0);
187:                assertEquals(0, r.low);
188:                assertEquals(4, r.high);
189:
190:                r = (Range) retval.get(1);
191:                assertEquals(4, r.low);
192:                assertEquals(4, r.high);
193:
194:                r = (Range) retval.get(2);
195:                assertEquals(8, r.low);
196:                assertEquals(2, r.high);
197:            }
198:
199:            public void testComputeFragOffsetsWithOffsets() {
200:                Range r;
201:                // byte[] buf={'p', 'a', 'd', 0,1,2,3,4,5,6,7,8,9, 'p', 'a', 'd', 'd', 'i', 'e'};
202:                java.util.List retval = Util.computeFragOffsets(3, 10, 4);
203:                System.out.println("list is " + retval);
204:                assertEquals(3, retval.size());
205:                r = (Range) retval.get(0);
206:                assertEquals(3, r.low);
207:                assertEquals(4, r.high);
208:
209:                r = (Range) retval.get(1);
210:                assertEquals(7, r.low);
211:                assertEquals(4, r.high);
212:
213:                r = (Range) retval.get(2);
214:                assertEquals(11, r.low);
215:                assertEquals(2, r.high);
216:            }
217:
218:            public void testComputeFragOffsets2() {
219:                Range r;
220:                byte[] buf = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
221:                java.util.List retval = Util.computeFragOffsets(buf, 10);
222:                System.out.println("list is " + retval);
223:                assertEquals(1, retval.size());
224:                r = (Range) retval.get(0);
225:                assertEquals(0, r.low);
226:                assertEquals(10, r.high);
227:            }
228:
229:            public void testComputeFragOffsets3() {
230:                Range r;
231:                byte[] buf = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
232:                java.util.List retval = Util.computeFragOffsets(buf, 100);
233:                System.out.println("list is " + retval);
234:                assertEquals(1, retval.size());
235:                r = (Range) retval.get(0);
236:                assertEquals(0, r.low);
237:                assertEquals(10, r.high);
238:            }
239:
240:            public void testComputeFragOffsets4() {
241:                Range r;
242:                byte[] buf = { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 };
243:                java.util.List retval = Util.computeFragOffsets(buf, 5);
244:                System.out.println("list is " + retval);
245:                assertEquals(2, retval.size());
246:                r = (Range) retval.get(0);
247:                assertEquals(0, r.low);
248:                assertEquals(5, r.high);
249:
250:                r = (Range) retval.get(1);
251:                assertEquals(5, r.low);
252:                assertEquals(5, r.high);
253:            }
254:
255:            public void testSizeNullMessage() throws Exception {
256:                Message msg = new Message();
257:                _testSize(msg);
258:            }
259:
260:            public void testSizeMessageWithDest() throws Exception {
261:                Message msg = new Message(new IpAddress("127.0.0.1", 3333),
262:                        null, null);
263:                _testSize(msg);
264:            }
265:
266:            public void testSizeMessageWithSrc() throws Exception {
267:                Message msg = new Message(null,
268:                        new IpAddress("127.0.0.1", 4444), null);
269:                _testSize(msg);
270:            }
271:
272:            public void testSizeMessageWithDestAndSrc() throws Exception {
273:                Message msg = new Message(new IpAddress("127.0.0.1", 3333),
274:                        new IpAddress("127.0.0.1", 4444), null);
275:                _testSize(msg);
276:            }
277:
278:            public void testSizeMessageWithBuffer() throws Exception {
279:                Message msg = new Message(null, null, "bela".getBytes());
280:                _testSize(msg);
281:            }
282:
283:            public void testSizeMessageWithBuffer2() throws Exception {
284:                Message msg = new Message(null, null, new byte[] { 'b', 'e',
285:                        'l', 'a' });
286:                _testSize(msg);
287:            }
288:
289:            public void testSizeMessageWithBuffer3() throws Exception {
290:                Message msg = new Message(null, null, "bela");
291:                _testSize(msg);
292:            }
293:
294:            public void testSizeMessageWithAdditionalData() throws Exception {
295:                IpAddress dest = new IpAddress("127.0.0.1", 5555);
296:                dest.setAdditionalData("bela".getBytes());
297:                Message msg = new Message(dest, null, null);
298:                _testSize(msg);
299:            }
300:
301:            public void testSizeMessageWithDestAndSrcAndHeaders()
302:                    throws Exception {
303:                ClassConfigurator.getInstance(true);
304:                Message msg = new Message(new IpAddress("127.0.0.1", 3333),
305:                        new IpAddress("127.0.0.1", 4444), "bela".getBytes());
306:                addHeaders(msg);
307:                _testSize(msg);
308:            }
309:
310:            private void addHeaders(Message msg) {
311:                UdpHeader udp_hdr = new UdpHeader("DemoChannel");
312:                msg.putHeader("UDP", udp_hdr);
313:                TpHeader tp_hdr = new TpHeader("DemoChannel2");
314:                msg.putHeader("TP", tp_hdr);
315:                PingHeader ping_hdr = new PingHeader(PingHeader.GET_MBRS_REQ,
316:                        null);
317:                msg.putHeader("PING", ping_hdr);
318:                NakAckHeader nak_hdr = new NakAckHeader(NakAckHeader.XMIT_REQ,
319:                        100, 104);
320:                msg.putHeader("NAKACK", nak_hdr);
321:            }
322:
323:            private void _testSize(Message msg) throws Exception {
324:                long size = msg.size();
325:                byte[] serialized_form = Util.streamableToByteBuffer(msg);
326:                System.out.println("size=" + size + ", serialized size="
327:                        + serialized_form.length);
328:                assertEquals(size, serialized_form.length);
329:            }
330:
331:            public static Test suite() {
332:                TestSuite s = new TestSuite(MessageTest.class);
333:                return s;
334:            }
335:
336:            public static void main(String[] args) {
337:                junit.textui.TestRunner.run(suite());
338:            }
339:        }
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