Source Code Cross Referenced for RETest.java in  » Web-Crawler » WebSPHINX » org » apache » regexp » Java Source Code / Java DocumentationJava Source Code and Java Documentation

Java Source Code / Java Documentation
1. 6.0 JDK Core
2. 6.0 JDK Modules
3. 6.0 JDK Modules com.sun
4. 6.0 JDK Modules com.sun.java
5. 6.0 JDK Modules sun
6. 6.0 JDK Platform
7. Ajax
8. Apache Harmony Java SE
9. Aspect oriented
10. Authentication Authorization
11. Blogger System
12. Build
13. Byte Code
14. Cache
15. Chart
16. Chat
17. Code Analyzer
18. Collaboration
19. Content Management System
20. Database Client
21. Database DBMS
22. Database JDBC Connection Pool
23. Database ORM
24. Development
25. EJB Server geronimo
26. EJB Server GlassFish
27. EJB Server JBoss 4.2.1
28. EJB Server resin 3.1.5
29. ERP CRM Financial
30. ESB
31. Forum
32. GIS
33. Graphic Library
34. Groupware
35. HTML Parser
36. IDE
37. IDE Eclipse
38. IDE Netbeans
39. Installer
40. Internationalization Localization
41. Inversion of Control
42. Issue Tracking
43. J2EE
44. JBoss
45. JMS
46. JMX
47. Library
48. Mail Clients
49. Net
50. Parser
51. PDF
52. Portal
53. Profiler
54. Project Management
55. Report
56. RSS RDF
57. Rule Engine
58. Science
59. Scripting
60. Search Engine
61. Security
62. Sevlet Container
63. Source Control
64. Swing Library
65. Template Engine
66. Test Coverage
67. Testing
68. UML
69. Web Crawler
70. Web Framework
71. Web Mail
72. Web Server
73. Web Services
74. Web Services apache cxf 2.0.1
75. Web Services AXIS2
76. Wiki Engine
77. Workflow Engines
78. XML
79. XML UI
Java
Java Tutorial
Java Open Source
Jar File Download
Java Articles
Java Products
Java by API
Photoshop Tutorials
Maya Tutorials
Flash Tutorials
3ds-Max Tutorials
Illustrator Tutorials
GIMP Tutorials
C# / C Sharp
C# / CSharp Tutorial
C# / CSharp Open Source
ASP.Net
ASP.NET Tutorial
JavaScript DHTML
JavaScript Tutorial
JavaScript Reference
HTML / CSS
HTML CSS Reference
C / ANSI-C
C Tutorial
C++
C++ Tutorial
Ruby
PHP
Python
Python Tutorial
Python Open Source
SQL Server / T-SQL
SQL Server / T-SQL Tutorial
Oracle PL / SQL
Oracle PL/SQL Tutorial
PostgreSQL
SQL / MySQL
MySQL Tutorial
VB.Net
VB.Net Tutorial
Flash / Flex / ActionScript
VBA / Excel / Access / Word
XML
XML Tutorial
Microsoft Office PowerPoint 2007 Tutorial
Microsoft Office Excel 2007 Tutorial
Microsoft Office Word 2007 Tutorial
Java Source Code / Java Documentation » Web Crawler » WebSPHINX » org.apache.regexp 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        package org.apache.regexp;
002:
003:        /*
004:         * ====================================================================
005:         * 
006:         * The Apache Software License, Version 1.1
007:         *
008:         * Copyright (c) 1999 The Apache Software Foundation.  All rights 
009:         * reserved.
010:         *
011:         * Redistribution and use in source and binary forms, with or without
012:         * modification, are permitted provided that the following conditions
013:         * are met:
014:         *
015:         * 1. Redistributions of source code must retain the above copyright
016:         *    notice, this list of conditions and the following disclaimer. 
017:         *
018:         * 2. Redistributions in binary form must reproduce the above copyright
019:         *    notice, this list of conditions and the following disclaimer in
020:         *    the documentation and/or other materials provided with the
021:         *    distribution.
022:         *
023:         * 3. The end-user documentation included with the redistribution, if
024:         *    any, must include the following acknowlegement:  
025:         *       "This product includes software developed by the 
026:         *        Apache Software Foundation (http://www.apache.org/)."
027:         *    Alternately, this acknowlegement may appear in the software itself,
028:         *    if and wherever such third-party acknowlegements normally appear.
029:         *
030:         * 4. The names "The Jakarta Project", "Jakarta-Regexp", and "Apache Software
031:         *    Foundation" must not be used to endorse or promote products derived
032:         *    from this software without prior written permission. For written 
033:         *    permission, please contact apache@apache.org.
034:         *
035:         * 5. Products derived from this software may not be called "Apache"
036:         *    nor may "Apache" appear in their names without prior written
037:         *    permission of the Apache Group.
038:         *
039:         * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
040:         * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
041:         * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
042:         * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
043:         * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
044:         * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
045:         * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
046:         * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
047:         * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
048:         * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
049:         * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
050:         * SUCH DAMAGE.
051:         * ====================================================================
052:         *
053:         * This software consists of voluntary contributions made by many
054:         * individuals on behalf of the Apache Software Foundation.  For more
055:         * information on the Apache Software Foundation, please see
056:         * <http://www.apache.org/>.
057:         *
058:         */
059:
060:        import java.io.*;
061:
062:        /**
063:         * Data driven (and optionally interactive) testing harness to exercise regular
064:         * expression compiler and matching engine.
065:         *
066:         * @author <a href="mailto:jonl@muppetlabs.com">Jonathan Locke</a>
067:         * @author <a href="mailto:jon@latchkey.com">Jon S. Stevens</a>
068:         * @version $Id: RETest.java,v 1.1.1.1 2002/01/31 03:14:36 rcm Exp $
069:         */
070:        public class RETest {
071:            // Construct a matcher and a debug compiler
072:            RE r = new RE();
073:            REDebugCompiler compiler = new REDebugCompiler();
074:
075:            // True if we want to see output from success cases
076:            static final boolean showSuccesses = false;
077:
078:            /**
079:             * Main program entrypoint.  If an argument is given, it will be compiled
080:             * and interactive matching will ensue.  If no argument is given, the
081:             * file RETest.txt will be used as automated testing input.
082:             * @param arg Command line arguments (optional regular expression)
083:             */
084:            public static void main(String[] arg) {
085:                try {
086:                    //new RETest(arg);
087:                    test();
088:                } catch (Exception e) {
089:                    e.printStackTrace();
090:                }
091:            }
092:
093:            /**
094:             * Testing entrypoint.
095:             * @param arg Command line arguments
096:             * @exception Exception thrown in case of error
097:             */
098:            public static boolean test() throws Exception {
099:                RETest test = new RETest();
100:                test.runAutomatedTests("docs/RETest.txt");
101:                return test.failures == 0;
102:            }
103:
104:            /**
105:             * Constructor
106:             */
107:            public RETest() {
108:            }
109:
110:            /**
111:             * Constructor for test
112:             * @param arg Command line arguments
113:             */
114:            public RETest(String[] arg) {
115:                try {
116:                    // Run interactive tests against a single regexp
117:                    if (arg.length == 2) {
118:                        runInteractiveTests(arg[1]);
119:                    } else if (arg.length == 1) {
120:                        // Run automated tests 
121:                        runAutomatedTests(arg[0]);
122:                    } else {
123:                        System.out
124:                                .println("Usage: RETest ([-i] [regex]) ([/path/to/testfile.txt])");
125:                    }
126:                } catch (Exception e) {
127:                    e.printStackTrace();
128:                }
129:            }
130:
131:            /**
132:             * Compile and test matching against a single expression
133:             * @param expr Expression to compile and test
134:             */
135:            void runInteractiveTests(String expr) {
136:                try {
137:                    // Compile expression
138:                    r.setProgram(compiler.compile(expr));
139:
140:                    // Show expression
141:                    say("\n" + expr + "\n");
142:
143:                    // Show program for compiled expression
144:                    compiler.dumpProgram(new PrintWriter(System.out));
145:
146:                    // Test matching against compiled expression
147:                    while (true) {
148:                        // Read from keyboard
149:                        BufferedReader br = new BufferedReader(
150:                                new InputStreamReader(System.in));
151:                        System.out.print("> ");
152:                        System.out.flush();
153:                        String match = br.readLine();
154:
155:                        // Try a match against the keyboard input
156:                        if (r.match(match)) {
157:                            say("Match successful.");
158:                        } else {
159:                            say("Match failed.");
160:                        }
161:
162:                        // Show subparen registers
163:                        showParens(r);
164:                    }
165:                } catch (Exception e) {
166:                    say("Error: " + e.toString());
167:                    e.printStackTrace();
168:                }
169:            }
170:
171:            /**
172:             * Exit with a fatal error.
173:             * @param s Last famous words before exiting
174:             */
175:            void die(String s) {
176:                say("FATAL ERROR: " + s);
177:                System.exit(0);
178:            }
179:
180:            /**
181:             * Fail with an error
182:             * @param s Failure description
183:             */
184:            void fail(String s) {
185:                failures++;
186:                say("\n");
187:                say("*******************************************************");
188:                say("*********************  FAILURE!  **********************");
189:                say("*******************************************************");
190:                say("\n");
191:                say(s);
192:                say("");
193:                compiler.dumpProgram(new PrintWriter(System.out));
194:                say("\n");
195:            }
196:
197:            /**
198:             * Show a success
199:             * @param s Success story
200:             */
201:            void success(String s) {
202:                if (showSuccesses) {
203:                    show();
204:                    say("Success: " + s);
205:                }
206:            }
207:
208:            /**
209:             * Say something to standard out
210:             * @param s What to say
211:             */
212:            void say(String s) {
213:                System.out.println(s);
214:            }
215:
216:            /**
217:             * Show an expression
218:             */
219:            void show() {
220:                say("\n-----------------------\n");
221:                say("Expression #" + (n) + " \"" + expr + "\" ");
222:            }
223:
224:            /**
225:             * Dump parenthesized subexpressions found by a regular expression matcher object
226:             * @param r Matcher object with results to show
227:             */
228:            void showParens(RE r) {
229:                // Loop through each paren
230:                for (int i = 0; i < r.getParenCount(); i++) {
231:                    // Show paren register
232:                    say("$" + i + " = " + r.getParen(i));
233:                }
234:            }
235:
236:            // Pre-compiled regular expression "a*b"
237:            char[] re1Instructions = { 0x007c, 0x0000, 0x001a, 0x007c, 0x0000,
238:                    0x000d, 0x0041, 0x0001, 0x0004, 0x0061, 0x007c, 0x0000,
239:                    0x0003, 0x0047, 0x0000, 0xfff6, 0x007c, 0x0000, 0x0003,
240:                    0x004e, 0x0000, 0x0003, 0x0041, 0x0001, 0x0004, 0x0062,
241:                    0x0045, 0x0000, 0x0000, };
242:
243:            REProgram re1 = new REProgram(re1Instructions);
244:
245:            /*
246:             * Current expression and number in automated test
247:             */
248:            String expr;
249:            int n = 0;
250:
251:            /*
252:             * Count of failures in automated test
253:             */
254:            int failures = 0;
255:
256:            /**
257:             * Run automated tests in RETest.txt file (from Perl 4.0 test battery)
258:             * @exception Exception thrown in case of error
259:             */
260:            void runAutomatedTests(String testDocument) throws Exception {
261:                long ms = System.currentTimeMillis();
262:
263:                // Simple test of pre-compiled regular expressions
264:                RE r = new RE(re1);
265:                say("a*b");
266:                say("aaaab = " + r.match("aaab"));
267:                showParens(r);
268:                say("b = " + r.match("b"));
269:                showParens(r);
270:                say("c = " + r.match("c"));
271:                showParens(r);
272:                say("ccccaaaaab = " + r.match("ccccaaaaab"));
273:                showParens(r);
274:
275:                r = new RE("a*b");
276:                String[] s = r.split("xxxxaabxxxxbyyyyaaabzzz");
277:                r = new RE("x+");
278:                s = r.grep(s);
279:                for (int i = 0; i < s.length; i++) {
280:                    System.out.println("s[" + i + "] = " + s[i]);
281:                }
282:
283:                r = new RE("a*b");
284:                String s1 = r.subst("aaaabfooaaabgarplyaaabwackyb", "-");
285:                System.out.println("s = " + s1);
286:
287:                // Test from script file
288:                File testInput = new File(testDocument);
289:                if (!testInput.exists())
290:                    throw new Exception("Could not find: " + testDocument);
291:                BufferedReader br = new BufferedReader(
292:                        new FileReader(testInput));
293:                try {
294:                    // While input is available, parse lines
295:                    while (br.ready()) {
296:                        // Find next re test case
297:                        String number = "";
298:                        String yesno;
299:                        while (br.ready()) {
300:                            number = br.readLine();
301:                            if (number == null) {
302:                                break;
303:                            }
304:                            number = number.trim();
305:                            if (number.startsWith("#")) {
306:                                break;
307:                            }
308:                            if (!number.equals("")) {
309:                                System.out.println("Script error.  Line = "
310:                                        + number);
311:                                System.exit(0);
312:                            }
313:                        }
314:
315:                        // Are we done?
316:                        if (!br.ready()) {
317:                            break;
318:                        }
319:
320:                        // Get expression
321:                        expr = br.readLine();
322:                        n++;
323:                        say("");
324:                        say(n + ". " + expr);
325:                        say("");
326:
327:                        // Compile it
328:                        try {
329:                            r.setProgram(compiler.compile(expr));
330:                        }
331:
332:                        // Some expressions *should* cause exceptions to be thrown
333:                        catch (Exception e) {
334:                            // Get expected result
335:                            yesno = br.readLine().trim();
336:
337:                            // If it was supposed to be an error, report success and continue
338:                            if (yesno.equals("ERR")) {
339:                                say("   Match: ERR");
340:                                success("Produces an error (" + e.toString()
341:                                        + "), as expected.");
342:                                continue;
343:                            }
344:
345:                            // Wasn't supposed to be an error
346:                            fail("Produces the unexpected error \""
347:                                    + e.getMessage() + "\"");
348:                        } catch (Error e) {
349:                            // Internal error happened
350:                            fail("Compiler threw fatal error \""
351:                                    + e.getMessage() + "\"");
352:                            e.printStackTrace();
353:                        }
354:
355:                        // Get string to match against
356:                        String matchAgainst = br.readLine().trim();
357:                        say("   Match against: '" + matchAgainst + "'");
358:
359:                        // Expression didn't cause an expected error
360:                        if (matchAgainst.equals("ERR")) {
361:                            fail("Was expected to be an error, but wasn't.");
362:                            continue;
363:                        }
364:
365:                        // Try matching
366:                        try {
367:                            // Match against the string
368:                            boolean b = r.match(matchAgainst);
369:
370:                            // Get expected result
371:                            yesno = br.readLine().trim();
372:
373:                            // If match succeeded
374:                            if (b) {
375:                                // Status
376:                                say("   Match: YES");
377:
378:                                // Match wasn't supposed to succeed
379:                                if (yesno.equals("NO")) {
380:                                    fail("Matched \"" + matchAgainst
381:                                            + "\", when not expected to.");
382:                                } else if (yesno.equals("YES")) {
383:                                    // Match succeeded as expected
384:                                    success("Matched \"" + matchAgainst
385:                                            + "\", as expected:");
386:
387:                                    // Show subexpression registers
388:                                    if (showSuccesses) {
389:                                        showParens(r);
390:                                    }
391:
392:                                    say("   Paren count: " + r.getParenCount());
393:
394:                                    // Check registers against expected contents
395:                                    for (int p = 0; p < r.getParenCount(); p++) {
396:                                        // Get next register
397:                                        String register = br.readLine().trim();
398:                                        say("   Paren " + p + " : "
399:                                                + r.getParen(p));
400:
401:                                        // Compare expected result with actual
402:                                        if (!register.equals(r.getParen(p))) {
403:                                            // Register isn't what it was supposed to be
404:                                            fail("Register " + p
405:                                                    + " should be = \""
406:                                                    + register
407:                                                    + "\", but is \""
408:                                                    + r.getParen(p)
409:                                                    + "\" instead.");
410:                                        }
411:                                    }
412:                                } else {
413:                                    // Bad test script
414:                                    die("Test script error!");
415:                                }
416:                            } else {
417:                                // Status
418:                                say("   Match: NO");
419:
420:                                // Match failed
421:                                if (yesno.equals("YES")) {
422:                                    // Should have failed
423:                                    fail("Did not match \"" + matchAgainst
424:                                            + "\", when expected to.");
425:                                } else if (yesno.equals("NO")) {
426:                                    // Should have failed
427:                                    success("Did not match \"" + matchAgainst
428:                                            + "\", as expected.");
429:                                } else {
430:                                    // Bad test script
431:                                    die("Test script error!");
432:                                }
433:                            }
434:                        }
435:
436:                        // Matcher blew it
437:                        catch (Exception e) {
438:                            fail("Matcher threw exception: " + e.toString());
439:                            e.printStackTrace();
440:                        }
441:
442:                        // Internal error
443:                        catch (Error e) {
444:                            fail("Matcher threw fatal error \""
445:                                    + e.getMessage() + "\"");
446:                            e.printStackTrace();
447:                        }
448:                    }
449:                } finally {
450:                    br.close();
451:                }
452:
453:                // Show match time
454:                System.out.println("\n\nMatch time = "
455:                        + (System.currentTimeMillis() - ms) + " ms.");
456:
457:                // Print final results
458:                System.out.println("\nTests complete.  " + n + " tests, "
459:                        + failures + " failure(s).");
460:            }
461:        }
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.