Source Code Cross Referenced for TestMultithreadTokenizer.java in  » Parser » JTopas » de » susebox » jtopas » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » Parser » JTopas » de.susebox.jtopas 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * TestMultithreadTokenizer.java: JUnit test for Tokenizer implementations
003:         *
004:         * Copyright (C) 2002 Heiko Blau
005:         *
006:         * This file belongs to the JTopas test suite.
007:         * The JTopas test suite is free software; you can redistribute it and/or modify it 
008:         * under the terms of the GNU Lesser General Public License as published by the 
009:         * Free Software Foundation; either version 2.1 of the License, or (at your option) 
010:         * any later version.
011:         *
012:         * This software is distributed in the hope that it will be useful, but WITHOUT
013:         * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
014:         * FITNESS FOR A PARTICULAR PURPOSE. 
015:         * See the GNU Lesser General Public License for more details.
016:         *
017:         * You should have received a copy of the GNU Lesser General Public License along 
018:         * with the JTopas test suite. If not, write to the
019:         *
020:         *   Free Software Foundation, Inc.
021:         *   59 Temple Place, Suite 330, 
022:         *   Boston, MA 02111-1307 
023:         *   USA
024:         *
025:         * or check the Internet: http://www.fsf.org
026:         *
027:         * The JTopas test suite uses the test framework JUnit by Kent Beck and Erich Gamma.
028:         * You should have received a copy of their JUnit licence agreement along with 
029:         * the JTopas test suite.
030:         *
031:         * We do NOT provide the JUnit archive junit.jar nessecary to compile and run 
032:         * our tests, since we assume, that You  either have it already or would like 
033:         * to get the current release Yourself. 
034:         * Please visit either:
035:         *   http://sourceforge.net/projects/junit
036:         * or
037:         *   http://junit.org
038:         * to obtain JUnit.
039:         *
040:         * Contact:
041:         *   email: heiko@susebox.de 
042:         */
043:
044:        package de.susebox.jtopas;
045:
046:        //-----------------------------------------------------------------------------
047:        // Imports
048:        //
049:        import java.util.Iterator;
050:        import java.util.Random;
051:        import java.util.ArrayList;
052:
053:        import java.io.Reader;
054:        import java.io.StringReader;
055:
056:        import junit.framework.Test;
057:        import junit.framework.TestCase;
058:        import junit.framework.TestSuite;
059:        import junit.framework.Assert;
060:
061:        import de.susebox.java.lang.ExtRuntimeException;
062:
063:        import de.susebox.TestUtilities;
064:
065:        //-----------------------------------------------------------------------------
066:        // Class TestMultithreadTokenizer
067:        //
068:
069:        /**<p>
070:         * This class tests {@link Tokenizer} implementations in a multithreaded environment.
071:         *</p>
072:         *
073:         * @see     Tokenizer
074:         * @author  Heiko Blau
075:         */
076:        public class TestMultithreadTokenizer extends TestCase {
077:
078:            //---------------------------------------------------------------------------
079:            // main method
080:            //
081:
082:            /**
083:             * call this method to invoke the tests.
084:             */
085:            public static void main(String[] args) {
086:                String[] tests = { TestMultithreadTokenizer.class.getName() };
087:
088:                TestUtilities.run(tests, args);
089:            }
090:
091:            //---------------------------------------------------------------------------
092:            // suite method
093:            //
094:
095:            /**
096:             * Implementation of the JUnit method <code>suite</code>. For each set of test
097:             * properties one or more tests are instantiated.
098:             *
099:             * @return a test suite
100:             */
101:            public static Test suite() {
102:                TestSuite suite = new TestSuite(TestMultithreadTokenizer.class
103:                        .getName());
104:
105:                suite.addTest(new TestMultithreadTokenizer(
106:                        "testParallelParsing"));
107:                return suite;
108:            }
109:
110:            //---------------------------------------------------------------------------
111:            // Constructor
112:            //
113:
114:            /**
115:             * Default constructor. Standard input {@link java.lang.System#in} is used
116:             * to construct the input stream reader.
117:             */
118:            public TestMultithreadTokenizer(String test) {
119:                super (test);
120:            }
121:
122:            //---------------------------------------------------------------------------
123:            // Fixture setup and release
124:            //
125:
126:            /**
127:             * Sets up the fixture, for example, open a network connection.
128:             * This method is called before a test is executed.
129:             */
130:            protected void setUp() throws Exception {
131:                _properties = new StandardTokenizerProperties();
132:                for (int index = 0; index < _testProperties.length; ++index) {
133:                    _properties.addProperty(_testProperties[index]);
134:                }
135:            }
136:
137:            /**
138:             * Tears down the fixture, for example, close a network connection.
139:             * This method is called after a test is executed.
140:             */
141:            protected void tearDown() throws Exception {
142:                _properties = null;
143:            }
144:
145:            //---------------------------------------------------------------------------
146:            // test cases
147:            //
148:
149:            /**
150:             * Testing generic methods.
151:             */
152:            public void testParallelParsing() throws Throwable {
153:                Random random = new Random();
154:                StringBuffer[] active = new StringBuffer[_numberOfThreads];
155:                String[] last = new String[_numberOfThreads];
156:                Runner[] runner = new Runner[_numberOfThreads];
157:                Thread[] thread = new Thread[_numberOfThreads];
158:                long start = System.currentTimeMillis();
159:
160:                // Create TokenizerProperties
161:                _properties = new StandardTokenizerProperties(
162:                        Flags.F_RETURN_WHITESPACES);
163:
164:                for (int index = 0; index < _testProperties.length; ++index) {
165:                    _properties.addProperty(_testProperties[index]);
166:                }
167:
168:                // Create resources
169:                for (int index = 0; index < _numberOfThreads; ++index) {
170:                    active[index] = new StringBuffer("0");
171:                    runner[index] = new Runner(this , random
172:                            .nextInt(_testTexts.length), active[index]);
173:                    thread[index] = new Thread(runner[index]);
174:                    thread[index].setDaemon(true);
175:                }
176:
177:                // start threads and check actions 
178:                try {
179:                    for (int index = 0; index < _numberOfThreads; ++index) {
180:                        thread[index].start();
181:                    }
182:
183:                    while (System.currentTimeMillis() - start < _duration * 1000) {
184:                        // Pause depending on thread count
185:                        synchronized (this ) {
186:                            try {
187:                                wait(3000);
188:                            } catch (InterruptedException ex) {
189:                            }
190:                        }
191:
192:                        // print activity
193:                        for (int index = 0; index < _numberOfThreads; ++index) {
194:                            System.out.println(System.currentTimeMillis()
195:                                    + ": Activity at runner " + index + ": "
196:                                    + active[index]);
197:                            last[index] = active[index].toString();
198:                        }
199:                    }
200:
201:                    // stop the threads
202:                    for (int index = 0; index < _numberOfThreads; ++index) {
203:                        runner[index].stop();
204:                    }
205:                    Thread.sleep(1000);
206:
207:                    // check activity
208:                    for (int index = 0; index < _numberOfThreads; ++index) {
209:                        String activity = active[index].toString();
210:
211:                        assertTrue(
212:                                "No good activity at runner " + index + ": "
213:                                        + activity,
214:                                new Integer(activity).intValue() > (50 / _numberOfThreads)
215:                                        * _duration);
216:                    }
217:
218:                } finally {
219:                    for (int index = 0; index < _numberOfThreads; ++index) {
220:                        thread[index] = null;
221:                    }
222:                }
223:            }
224:
225:            //---------------------------------------------------------------------------
226:            // class members
227:            //
228:            private static int _numberOfThreads = 30;
229:            private static int _duration = 60;
230:
231:            /**
232:             * Table with properties
233:             */
234:            private static final TokenizerProperty[] _testProperties = {
235:                    new TokenizerProperty(Token.STRING, new String[] { "\"",
236:                            "\"", "\\" }, null, 0, Flags.F_NO_CASE),
237:                    new TokenizerProperty(Token.STRING, new String[] { "'",
238:                            "'", "\\" }, null, 0, Flags.F_NO_CASE),
239:                    new TokenizerProperty(Token.LINE_COMMENT,
240:                            new String[] { "//" }, null, 0, Flags.F_NO_CASE),
241:                    new TokenizerProperty(Token.BLOCK_COMMENT, new String[] {
242:                            "/*", "*/" }, null, 0, Flags.F_NO_CASE),
243:                    new TokenizerProperty(Token.BLOCK_COMMENT, new String[] {
244:                            "/**", "*/" }, null, 0, Flags.F_NO_CASE),
245:                    new TokenizerProperty(Token.KEYWORD, new String[] { "if" },
246:                            null, 0, Flags.F_NO_CASE),
247:                    new TokenizerProperty(Token.KEYWORD,
248:                            new String[] { "else" }, null, 0, Flags.F_NO_CASE),
249:                    new TokenizerProperty(Token.KEYWORD,
250:                            new String[] { "return" }, null, 0, Flags.F_NO_CASE),
251:                    new TokenizerProperty(Token.KEYWORD,
252:                            new String[] { "native" }, null, 0, Flags.F_NO_CASE),
253:                    new TokenizerProperty(Token.KEYWORD,
254:                            new String[] { "for" }, null, 0, Flags.F_NO_CASE),
255:                    new TokenizerProperty(Token.KEYWORD,
256:                            new String[] { "while" }, null, 0, Flags.F_NO_CASE),
257:                    new TokenizerProperty(Token.KEYWORD, new String[] { "do" },
258:                            null, 0, Flags.F_NO_CASE),
259:                    new TokenizerProperty(Token.KEYWORD,
260:                            new String[] { "switch" }, null, 0, Flags.F_NO_CASE),
261:                    new TokenizerProperty(Token.KEYWORD,
262:                            new String[] { "case" }, null, 0, Flags.F_NO_CASE),
263:                    new TokenizerProperty(Token.KEYWORD,
264:                            new String[] { "default" }, null, 0,
265:                            Flags.F_NO_CASE),
266:                    new TokenizerProperty(Token.KEYWORD,
267:                            new String[] { "break" }, null, 0, Flags.F_NO_CASE),
268:                    new TokenizerProperty(Token.KEYWORD,
269:                            new String[] { "class" }, null, 0, Flags.F_NO_CASE),
270:                    new TokenizerProperty(Token.KEYWORD,
271:                            new String[] { "interface" }, null, 0,
272:                            Flags.F_NO_CASE),
273:                    new TokenizerProperty(Token.KEYWORD,
274:                            new String[] { "synchronized" }, null, 0,
275:                            Flags.F_NO_CASE),
276:                    new TokenizerProperty(Token.KEYWORD,
277:                            new String[] { "public" }, null, 0, Flags.F_NO_CASE),
278:                    new TokenizerProperty(Token.KEYWORD,
279:                            new String[] { "protected" }, null, 0,
280:                            Flags.F_NO_CASE),
281:                    new TokenizerProperty(Token.KEYWORD,
282:                            new String[] { "private" }, null, 0,
283:                            Flags.F_NO_CASE),
284:                    new TokenizerProperty(Token.KEYWORD,
285:                            new String[] { "final" }, null, 0, Flags.F_NO_CASE),
286:                    new TokenizerProperty(Token.KEYWORD,
287:                            new String[] { "static" }, null, 0, Flags.F_NO_CASE),
288:                    new TokenizerProperty(Token.KEYWORD,
289:                            new String[] { "implements" }, null, 0,
290:                            Flags.F_NO_CASE),
291:                    new TokenizerProperty(Token.KEYWORD,
292:                            new String[] { "extends" }, null, 0,
293:                            Flags.F_NO_CASE),
294:                    new TokenizerProperty(Token.KEYWORD,
295:                            new String[] { "byte" }, null, 0, Flags.F_NO_CASE),
296:                    new TokenizerProperty(Token.KEYWORD,
297:                            new String[] { "char" }, null, 0, Flags.F_NO_CASE),
298:                    new TokenizerProperty(Token.KEYWORD,
299:                            new String[] { "int" }, null, 0, Flags.F_NO_CASE),
300:                    new TokenizerProperty(Token.KEYWORD,
301:                            new String[] { "long" }, null, 0, Flags.F_NO_CASE),
302:                    new TokenizerProperty(Token.KEYWORD,
303:                            new String[] { "double" }, null, 0, Flags.F_NO_CASE),
304:                    new TokenizerProperty(Token.KEYWORD,
305:                            new String[] { "String" }, null, 0, Flags.F_NO_CASE),
306:                    new TokenizerProperty(Token.KEYWORD,
307:                            new String[] { "boolean" }, null, 0,
308:                            Flags.F_NO_CASE),
309:                    new TokenizerProperty(Token.KEYWORD,
310:                            new String[] { "void" }, null, 0, Flags.F_NO_CASE),
311:                    new TokenizerProperty(Token.KEYWORD,
312:                            new String[] { "throw" }, null, 0, Flags.F_NO_CASE),
313:                    new TokenizerProperty(Token.KEYWORD,
314:                            new String[] { "throws" }, null, 0, Flags.F_NO_CASE),
315:                    new TokenizerProperty(Token.KEYWORD,
316:                            new String[] { "new" }, null, 0, Flags.F_NO_CASE),
317:                    new TokenizerProperty(Token.KEYWORD,
318:                            new String[] { "assert" }, null, 0, Flags.F_NO_CASE),
319:                    new TokenizerProperty(Token.KEYWORD,
320:                            new String[] { "try" }, null, 0, Flags.F_NO_CASE),
321:                    new TokenizerProperty(Token.KEYWORD,
322:                            new String[] { "catch" }, null, 0, Flags.F_NO_CASE),
323:                    new TokenizerProperty(Token.KEYWORD,
324:                            new String[] { "finally" }, null, 0,
325:                            Flags.F_NO_CASE),
326:                    new TokenizerProperty(Token.KEYWORD,
327:                            new String[] { "import" }, null, 0, Flags.F_NO_CASE),
328:                    new TokenizerProperty(Token.KEYWORD,
329:                            new String[] { "package" }, null, 0,
330:                            Flags.F_NO_CASE),
331:                    new TokenizerProperty(Token.KEYWORD,
332:                            new String[] { "this" }, null, 0, Flags.F_NO_CASE),
333:                    new TokenizerProperty(Token.KEYWORD,
334:                            new String[] { "super" }, null, 0, Flags.F_NO_CASE),
335:                    new TokenizerProperty(Token.KEYWORD,
336:                            new String[] { "null" }, null, 0, Flags.F_NO_CASE),
337:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
338:                            new String[] { "," }, null, 0, Flags.F_NO_CASE),
339:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
340:                            new String[] { ";" }, null, 0, Flags.F_NO_CASE),
341:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
342:                            new String[] { "=" }, null, 0, Flags.F_NO_CASE),
343:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
344:                            new String[] { "==" }, null, 0, Flags.F_NO_CASE),
345:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
346:                            new String[] { "!=" }, null, 0, Flags.F_NO_CASE),
347:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
348:                            new String[] { ">=" }, null, 0, Flags.F_NO_CASE),
349:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
350:                            new String[] { ">>=" }, null, 0, Flags.F_NO_CASE),
351:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
352:                            new String[] { "<=" }, null, 0, Flags.F_NO_CASE),
353:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
354:                            new String[] { "<<=" }, null, 0, Flags.F_NO_CASE),
355:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
356:                            new String[] { ">" }, null, 0, Flags.F_NO_CASE),
357:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
358:                            new String[] { "<" }, null, 0, Flags.F_NO_CASE),
359:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
360:                            new String[] { "+=" }, null, 0, Flags.F_NO_CASE),
361:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
362:                            new String[] { "-=" }, null, 0, Flags.F_NO_CASE),
363:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
364:                            new String[] { "*=" }, null, 0, Flags.F_NO_CASE),
365:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
366:                            new String[] { "/=" }, null, 0, Flags.F_NO_CASE),
367:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
368:                            new String[] { "&=" }, null, 0, Flags.F_NO_CASE),
369:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
370:                            new String[] { "|=" }, null, 0, Flags.F_NO_CASE),
371:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
372:                            new String[] { "<<" }, null, 0, Flags.F_NO_CASE),
373:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
374:                            new String[] { ">>" }, null, 0, Flags.F_NO_CASE),
375:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
376:                            new String[] { ">>>" }, null, 0, Flags.F_NO_CASE),
377:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
378:                            new String[] { "++" }, null, 0, Flags.F_NO_CASE),
379:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
380:                            new String[] { "--" }, null, 0, Flags.F_NO_CASE),
381:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
382:                            new String[] { "~" }, null, 0, Flags.F_NO_CASE),
383:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
384:                            new String[] { "*" }, null, 0, Flags.F_NO_CASE),
385:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
386:                            new String[] { "/" }, null, 0, Flags.F_NO_CASE),
387:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
388:                            new String[] { "%" }, null, 0, Flags.F_NO_CASE),
389:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
390:                            new String[] { "^" }, null, 0, Flags.F_NO_CASE),
391:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
392:                            new String[] { "+" }, null, 0, Flags.F_NO_CASE),
393:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
394:                            new String[] { "-" }, null, 0, Flags.F_NO_CASE),
395:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
396:                            new String[] { "." }, null, 0, Flags.F_NO_CASE),
397:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
398:                            new String[] { "(" }, null, 0, Flags.F_NO_CASE),
399:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
400:                            new String[] { ")" }, null, 0, Flags.F_NO_CASE),
401:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
402:                            new String[] { "{" }, null, 0, Flags.F_NO_CASE),
403:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
404:                            new String[] { "}" }, null, 0, Flags.F_NO_CASE),
405:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
406:                            new String[] { "[" }, null, 0, Flags.F_NO_CASE),
407:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
408:                            new String[] { "]" }, null, 0, Flags.F_NO_CASE),
409:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
410:                            new String[] { "?" }, null, 0, Flags.F_NO_CASE),
411:                    new TokenizerProperty(Token.SPECIAL_SEQUENCE,
412:                            new String[] { ":" }, null, 0, Flags.F_NO_CASE) };
413:
414:            /**
415:             * Table with texts to parse
416:             */
417:            private static final String[] _testTexts = {
418:                    "import junit.framework.TestCase;\n"
419:                            + "\n"
420:                            + "public class MyTest extends TestCase implements TestListener {\n"
421:                            + "/** default constructor */\n"
422:                            + "public MyTest() {\n" + "this(null);\n" + "}\n"
423:                            + "\n" + "/**\n" + " * constructor taking name\n"
424:                            + " *\n" + " * @param name the name\n" + " */\n"
425:                            + "public MyTest(String name) {\n"
426:                            + "setName(name);\n" + "}\n" + "\n" + "/**\n"
427:                            + " * Getting the name\n" + " *\n"
428:                            + " * @return the name\n" + " */\n"
429:                            + "public String getName() {\n"
430:                            + "return _myName;\n" + "}\n" + "\n" + "/**\n"
431:                            + " * Setting a new name\n" + " *\n"
432:                            + " * @param name the new name\n"
433:                            + " * @return the old name or <code>null</code>\n"
434:                            + " */\n"
435:                            + "public String setName(String name) {\n"
436:                            + "// setting _myName safely to a non-null value\n"
437:                            + "_myName = (name != null) ? name : \"\";\n"
438:                            + "}\n" + "\n" + "// Members\n"
439:                            + "private String _myName = null;\n" + "}\n",
440:
441:                    // second text
442:                    "// package declaration\r\n"
443:                            + "package my.domain.toppackage.subpackage;\r\n"
444:                            + "\r\n"
445:                            + "// imports\r\n"
446:                            + "import java.applet.Applet;\r\n"
447:                            + "import java.util.ArrayList;\r\n"
448:                            + "import java.io.InputStream;\r\n"
449:                            + "import java.io.InputStreamReader;\r\n"
450:                            + "import java.io.FileInputStream;\r\n"
451:                            + "import java.io.StringReader;\r\n"
452:                            + "import java.io.IOException;\r\n"
453:                            + "\n"
454:                            + "/**\r\n"
455:                            + " * A class for parsing only :-)\r\n"
456:                            + " */\r\n"
457:                            + "public class MyRunner extends Applet implements Runnable {\r\n"
458:                            + "/** default constructor */\r\n"
459:                            + "public MyRunner() {\r\n"
460:                            + "super();\r\n"
461:                            + "}\r\n"
462:                            + "\r\n"
463:                            + "/**\r\n"
464:                            + " * constructor taking name\r\n"
465:                            + " *\r\n"
466:                            + " * @param name the name\r\n"
467:                            + " */\r\n"
468:                            + "public MyRunner(String name) {\r\n"
469:                            + "super(name);\r\n"
470:                            + "}\r\n"
471:                            + "\r\n"
472:                            + "/**\r\n"
473:                            + " * Getting the name\r\n"
474:                            + " *\r\n"
475:                            + " * @return the name\r\n"
476:                            + " */\r\n"
477:                            + "public String getName() {\r\n"
478:                            + "return super.getName();\r\n"
479:                            + "}\r\n"
480:                            + "\r\n"
481:                            + "/**\n"
482:                            + " * Run method a defined in {@link java.lang.Runnable}.\r\n"
483:                            + " */\r\n"
484:                            + "public void run() throws Throwable {\r\n"
485:                            + "Thread thread = Thread.currentThread();\r\n"
486:                            + "long   count = 0;\r\n" + "\r\n"
487:                            + "while (Thread.currentThread() == this) {\r\n"
488:                            + "count++;\r\n" + "_shifter >>= 1;\r\n"
489:                            + "synchronized(this){\r\n" + "try {\r\n"
490:                            + "wait((count % 100) + 10);\r\n"
491:                            + "} catch (Exception ex) {\r\n" + "break;\r\n"
492:                            + "} finally {\r\n" + "_shifter = 0;\r\n" + "}\r\n"
493:                            + "}\r\n" + "}\r\n" + "}\r\n" + "\r\n"
494:                            + "// Members\r\n"
495:                            + "private long _shifter = 0;\r\n" + "}" };
496:
497:            /**
498:             * The expected tokenizing results
499:             */
500:            protected static final int _expectedResults[][] = {
501:                    { Token.KEYWORD, Token.WHITESPACE, Token.NORMAL,
502:                            Token.SPECIAL_SEQUENCE, Token.NORMAL,
503:                            Token.SPECIAL_SEQUENCE, Token.NORMAL,
504:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
505:                            Token.KEYWORD, Token.WHITESPACE, Token.KEYWORD,
506:                            Token.WHITESPACE, Token.NORMAL, Token.WHITESPACE,
507:                            Token.KEYWORD, Token.WHITESPACE, Token.NORMAL,
508:                            Token.WHITESPACE, Token.KEYWORD, Token.WHITESPACE,
509:                            Token.NORMAL, Token.WHITESPACE,
510:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
511:                            Token.BLOCK_COMMENT, Token.WHITESPACE,
512:                            Token.KEYWORD, Token.WHITESPACE, Token.NORMAL,
513:                            Token.SPECIAL_SEQUENCE, Token.SPECIAL_SEQUENCE,
514:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
515:                            Token.WHITESPACE, Token.KEYWORD,
516:                            Token.SPECIAL_SEQUENCE, Token.KEYWORD,
517:                            Token.SPECIAL_SEQUENCE, Token.SPECIAL_SEQUENCE,
518:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
519:                            Token.WHITESPACE, Token.BLOCK_COMMENT,
520:                            Token.WHITESPACE, Token.KEYWORD, Token.WHITESPACE,
521:                            Token.NORMAL, Token.SPECIAL_SEQUENCE,
522:                            Token.KEYWORD, Token.WHITESPACE, Token.NORMAL,
523:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
524:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
525:                            Token.NORMAL, Token.SPECIAL_SEQUENCE, Token.NORMAL,
526:                            Token.SPECIAL_SEQUENCE, Token.SPECIAL_SEQUENCE,
527:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
528:                            Token.WHITESPACE, Token.BLOCK_COMMENT,
529:                            Token.WHITESPACE, Token.KEYWORD, Token.WHITESPACE,
530:                            Token.KEYWORD, Token.WHITESPACE, Token.NORMAL,
531:                            Token.SPECIAL_SEQUENCE, Token.SPECIAL_SEQUENCE,
532:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
533:                            Token.WHITESPACE, Token.KEYWORD, Token.WHITESPACE,
534:                            Token.NORMAL, Token.SPECIAL_SEQUENCE,
535:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
536:                            Token.WHITESPACE, Token.BLOCK_COMMENT,
537:                            Token.WHITESPACE, Token.KEYWORD, Token.WHITESPACE,
538:                            Token.KEYWORD, Token.WHITESPACE, Token.NORMAL,
539:                            Token.SPECIAL_SEQUENCE, Token.KEYWORD,
540:                            Token.WHITESPACE, Token.NORMAL,
541:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
542:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
543:                            Token.LINE_COMMENT, Token.NORMAL, Token.WHITESPACE,
544:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
545:                            Token.SPECIAL_SEQUENCE, Token.NORMAL,
546:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
547:                            Token.WHITESPACE, Token.KEYWORD,
548:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
549:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
550:                            Token.NORMAL, Token.WHITESPACE,
551:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
552:                            Token.STRING, Token.SPECIAL_SEQUENCE,
553:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
554:                            Token.WHITESPACE, Token.LINE_COMMENT,
555:                            Token.KEYWORD, Token.WHITESPACE, Token.KEYWORD,
556:                            Token.WHITESPACE, Token.NORMAL, Token.WHITESPACE,
557:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
558:                            Token.KEYWORD, Token.SPECIAL_SEQUENCE,
559:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
560:                            Token.WHITESPACE, Token.EOF },
561:                    {
562:                            Token.LINE_COMMENT, // 0
563:                            Token.KEYWORD,
564:                            Token.WHITESPACE,
565:                            Token.NORMAL,
566:                            Token.SPECIAL_SEQUENCE,
567:                            Token.NORMAL,
568:                            Token.SPECIAL_SEQUENCE,
569:                            Token.NORMAL,
570:                            Token.SPECIAL_SEQUENCE,
571:                            Token.NORMAL,
572:                            Token.SPECIAL_SEQUENCE,
573:                            Token.WHITESPACE,
574:                            Token.LINE_COMMENT, // 12
575:                            Token.KEYWORD,
576:                            Token.WHITESPACE,
577:                            Token.NORMAL,
578:                            Token.SPECIAL_SEQUENCE,
579:                            Token.NORMAL,
580:                            Token.SPECIAL_SEQUENCE,
581:                            Token.NORMAL,
582:                            Token.SPECIAL_SEQUENCE,
583:                            Token.WHITESPACE, // 13
584:                            Token.KEYWORD,
585:                            Token.WHITESPACE,
586:                            Token.NORMAL,
587:                            Token.SPECIAL_SEQUENCE,
588:                            Token.NORMAL,
589:                            Token.SPECIAL_SEQUENCE,
590:                            Token.NORMAL,
591:                            Token.SPECIAL_SEQUENCE,
592:                            Token.WHITESPACE, // 22
593:                            Token.KEYWORD,
594:                            Token.WHITESPACE,
595:                            Token.NORMAL,
596:                            Token.SPECIAL_SEQUENCE,
597:                            Token.NORMAL,
598:                            Token.SPECIAL_SEQUENCE,
599:                            Token.NORMAL,
600:                            Token.SPECIAL_SEQUENCE,
601:                            Token.WHITESPACE, // 31
602:                            Token.KEYWORD,
603:                            Token.WHITESPACE,
604:                            Token.NORMAL,
605:                            Token.SPECIAL_SEQUENCE,
606:                            Token.NORMAL,
607:                            Token.SPECIAL_SEQUENCE,
608:                            Token.NORMAL,
609:                            Token.SPECIAL_SEQUENCE,
610:                            Token.WHITESPACE, // 40
611:                            Token.KEYWORD,
612:                            Token.WHITESPACE,
613:                            Token.NORMAL,
614:                            Token.SPECIAL_SEQUENCE,
615:                            Token.NORMAL,
616:                            Token.SPECIAL_SEQUENCE,
617:                            Token.NORMAL,
618:                            Token.SPECIAL_SEQUENCE,
619:                            Token.WHITESPACE, // 49
620:                            Token.KEYWORD,
621:                            Token.WHITESPACE,
622:                            Token.NORMAL,
623:                            Token.SPECIAL_SEQUENCE,
624:                            Token.NORMAL,
625:                            Token.SPECIAL_SEQUENCE,
626:                            Token.NORMAL,
627:                            Token.SPECIAL_SEQUENCE,
628:                            Token.WHITESPACE, // 58
629:                            Token.KEYWORD,
630:                            Token.WHITESPACE,
631:                            Token.NORMAL,
632:                            Token.SPECIAL_SEQUENCE,
633:                            Token.NORMAL,
634:                            Token.SPECIAL_SEQUENCE,
635:                            Token.NORMAL,
636:                            Token.SPECIAL_SEQUENCE,
637:                            Token.WHITESPACE, // 67
638:                            Token.BLOCK_COMMENT,
639:                            Token.WHITESPACE, // 76
640:                            Token.KEYWORD,
641:                            Token.WHITESPACE,
642:                            Token.KEYWORD,
643:                            Token.WHITESPACE,
644:                            Token.NORMAL,
645:                            Token.WHITESPACE,
646:                            Token.KEYWORD,
647:                            Token.WHITESPACE,
648:                            Token.NORMAL,
649:                            Token.WHITESPACE,
650:                            Token.KEYWORD,
651:                            Token.WHITESPACE,
652:                            Token.NORMAL,
653:                            Token.WHITESPACE,
654:                            Token.SPECIAL_SEQUENCE,
655:                            Token.WHITESPACE, // 78
656:                            Token.BLOCK_COMMENT,
657:                            Token.WHITESPACE, // 94
658:                            // "public MyRunner() {\r\n"
659:                            Token.KEYWORD,
660:                            Token.WHITESPACE,
661:                            Token.NORMAL,
662:                            Token.SPECIAL_SEQUENCE,
663:                            Token.SPECIAL_SEQUENCE,
664:                            Token.WHITESPACE,
665:                            Token.SPECIAL_SEQUENCE,
666:                            Token.WHITESPACE, // 87
667:                            Token.KEYWORD, Token.SPECIAL_SEQUENCE,
668:                            Token.SPECIAL_SEQUENCE, Token.SPECIAL_SEQUENCE,
669:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
670:                            Token.WHITESPACE, Token.BLOCK_COMMENT,
671:                            Token.WHITESPACE, Token.KEYWORD, Token.WHITESPACE,
672:                            Token.NORMAL, Token.SPECIAL_SEQUENCE,
673:                            Token.KEYWORD, Token.WHITESPACE, Token.NORMAL,
674:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
675:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
676:                            Token.KEYWORD, Token.SPECIAL_SEQUENCE,
677:                            Token.NORMAL, Token.SPECIAL_SEQUENCE,
678:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
679:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
680:                            Token.BLOCK_COMMENT, Token.WHITESPACE,
681:                            Token.KEYWORD, Token.WHITESPACE, Token.KEYWORD,
682:                            Token.WHITESPACE, Token.NORMAL,
683:                            Token.SPECIAL_SEQUENCE, Token.SPECIAL_SEQUENCE,
684:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
685:                            Token.WHITESPACE, Token.KEYWORD, Token.WHITESPACE,
686:                            Token.KEYWORD, Token.SPECIAL_SEQUENCE,
687:                            Token.NORMAL, Token.SPECIAL_SEQUENCE,
688:                            Token.SPECIAL_SEQUENCE, Token.SPECIAL_SEQUENCE,
689:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
690:                            Token.WHITESPACE, Token.BLOCK_COMMENT,
691:                            Token.WHITESPACE, Token.KEYWORD, Token.WHITESPACE,
692:                            Token.KEYWORD, Token.WHITESPACE, Token.NORMAL,
693:                            Token.SPECIAL_SEQUENCE, Token.SPECIAL_SEQUENCE,
694:                            Token.WHITESPACE, Token.KEYWORD, Token.WHITESPACE,
695:                            Token.NORMAL, Token.WHITESPACE,
696:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
697:                            Token.NORMAL, Token.WHITESPACE, Token.NORMAL,
698:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
699:                            Token.WHITESPACE, Token.NORMAL,
700:                            Token.SPECIAL_SEQUENCE, Token.NORMAL,
701:                            Token.SPECIAL_SEQUENCE, Token.SPECIAL_SEQUENCE,
702:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
703:                            Token.KEYWORD, Token.WHITESPACE, Token.NORMAL,
704:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
705:                            Token.WHITESPACE, Token.NORMAL,
706:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
707:                            Token.KEYWORD, Token.WHITESPACE,
708:                            Token.SPECIAL_SEQUENCE, Token.NORMAL,
709:                            Token.SPECIAL_SEQUENCE, Token.NORMAL,
710:                            Token.SPECIAL_SEQUENCE, Token.SPECIAL_SEQUENCE,
711:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
712:                            Token.WHITESPACE, Token.KEYWORD,
713:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
714:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
715:                            Token.NORMAL, Token.SPECIAL_SEQUENCE,
716:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
717:                            Token.NORMAL, Token.WHITESPACE,
718:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
719:                            Token.NORMAL, Token.SPECIAL_SEQUENCE,
720:                            Token.WHITESPACE, Token.KEYWORD,
721:                            Token.SPECIAL_SEQUENCE, Token.KEYWORD,
722:                            Token.SPECIAL_SEQUENCE, Token.SPECIAL_SEQUENCE,
723:                            Token.WHITESPACE, Token.KEYWORD, Token.WHITESPACE,
724:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
725:                            Token.NORMAL, Token.SPECIAL_SEQUENCE,
726:                            Token.SPECIAL_SEQUENCE, Token.NORMAL,
727:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
728:                            Token.WHITESPACE, Token.NORMAL,
729:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
730:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
731:                            Token.NORMAL, Token.SPECIAL_SEQUENCE,
732:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
733:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
734:                            Token.KEYWORD, Token.WHITESPACE,
735:                            Token.SPECIAL_SEQUENCE, Token.NORMAL,
736:                            Token.WHITESPACE, Token.NORMAL,
737:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
738:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
739:                            Token.KEYWORD, Token.SPECIAL_SEQUENCE,
740:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
741:                            Token.WHITESPACE, Token.KEYWORD, Token.WHITESPACE,
742:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
743:                            Token.NORMAL, Token.WHITESPACE,
744:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
745:                            Token.NORMAL, Token.SPECIAL_SEQUENCE,
746:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
747:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
748:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
749:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE,
750:                            Token.WHITESPACE, Token.LINE_COMMENT,
751:                            Token.KEYWORD, Token.WHITESPACE, Token.KEYWORD,
752:                            Token.WHITESPACE, Token.NORMAL, Token.WHITESPACE,
753:                            Token.SPECIAL_SEQUENCE, Token.WHITESPACE,
754:                            Token.NORMAL, Token.SPECIAL_SEQUENCE,
755:                            Token.WHITESPACE, Token.SPECIAL_SEQUENCE, Token.EOF } };
756:
757:            //---------------------------------------------------------------------------
758:            // Members
759:            //
760:            protected TokenizerProperties _properties = null;
761:
762:            //---------------------------------------------------------------------------
763:            // inner classes
764:            //
765:
766:            /**
767:             * Thread for TokenizerProperties manipulation
768:             */
769:            class Runner implements  Runnable {
770:
771:                /**
772:                 * Constructor
773:                 */
774:                public Runner(TestMultithreadTokenizer parent, int startIndex,
775:                        StringBuffer activity) {
776:                    _parent = parent;
777:                    _tokenizer = new StandardTokenizer(_parent._properties);
778:                    _start = startIndex;
779:                    _activity = activity;
780:                }
781:
782:                /** 
783:                 * When an object implementing interface <code>Runnable</code> is used
784:                 * to create a thread, starting the thread causes the object's
785:                 * <code>run</code> method to be called in that separately executing
786:                 * thread.
787:                 * <p>
788:                 * The general contract of the method <code>run</code> is that it may
789:                 * take any action whatsoever.
790:                 *
791:                 * @see     java.lang.Thread#run()
792:                 */
793:                public void run() {
794:                    Thread thread = Thread.currentThread();
795:                    String name = thread.getName();
796:                    int counter = _start;
797:                    ArrayList tokens = new ArrayList();
798:
799:                    try {
800:                        while (Thread.currentThread() == thread && !_stop) {
801:                            long start = System.currentTimeMillis();
802:                            int index = counter % _parent._testTexts.length;
803:                            int[] expected = _parent._expectedResults[index];
804:
805:                            // parse text 
806:                            _tokenizer
807:                                    .setSource(new ReaderSource(
808:                                            new StringReader(
809:                                                    _parent._testTexts[index])));
810:                            tokens.clear();
811:                            while (_tokenizer.hasMoreToken()) {
812:                                tokens.add(_tokenizer.nextToken());
813:                            }
814:
815:                            // verify results
816:                            int typeIndex = 0;
817:
818:                            while (typeIndex < tokens.size()
819:                                    && typeIndex < expected.length) {
820:                                Token token = (Token) tokens.get(typeIndex);
821:                                int type = token.getType();
822:
823:                                _parent
824:                                        .assertTrue(
825:                                                "Index "
826:                                                        + typeIndex
827:                                                        + ": Expected type "
828:                                                        + Token
829:                                                                .getTypeName(expected[typeIndex])
830:                                                        + ", found " + token,
831:                                                type == expected[typeIndex]);
832:                                typeIndex++;
833:                            }
834:                            _parent.assertTrue("Expected " + expected.length
835:                                    + " token, found " + tokens.size() + ".",
836:                                    expected.length == tokens.size());
837:
838:                            // increase counter
839:                            counter++;
840:
841:                            // signal activity
842:                            long value = Long.parseLong(_activity.toString());
843:                            _activity.setLength(0);
844:                            _activity.append(value + 1);
845:
846:                            // pause a little bit
847:                            synchronized (this ) {
848:                                try {
849:                                    wait(1);
850:                                } catch (InterruptedException ex) {
851:                                }
852:                            }
853:                        }
854:                    } catch (Throwable t) {
855:                        t.printStackTrace();
856:                    } finally {
857:                        _tokenizer.close();
858:                    }
859:                    System.out.println(name + ": exiting. Activity: "
860:                            + _activity);
861:                }
862:
863:                /**
864:                 * Signal the thread to stop
865:                 */
866:                public void stop() {
867:                    synchronized (this ) {
868:                        _stop = true;
869:                    }
870:                }
871:
872:                //-------------------------------------------------------------------------
873:                // Members
874:                //
875:                private TestMultithreadTokenizer _parent = null;
876:                private Tokenizer _tokenizer = null;
877:                private int _start = 0;
878:                private boolean _stop = false;
879:                private StringBuffer _activity = null;
880:            }
881:        }
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