1 /*
2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import java.beans.Introspector;
25 import java.io.Serializable;
26 import java.lang.reflect.Field;
27 import java.lang.reflect.Method;
28 import java.util.AbstractCollection;
29 import java.util.AbstractList;
30 import java.util.ArrayList;
31 import java.util.Collection;
32 import java.util.Comparator;
33 import java.util.List;
34 import java.util.RandomAccess;
35
36 /**
37 * @test
38 * @bug 8211147
39 * @modules java.desktop/com.sun.beans.introspect:open
40 */
41 public final class MethodOrderException {
42
43 public static void main(final String[] args) throws Exception {
44 // Public API, fails rarely
45 testPublicAPI();
46 // Test using internal API, fails always
47 testPrivateAPI();
48 }
49
50 private static void testPublicAPI() throws Exception {
51 Introspector.getBeanInfo(X.class);
52 }
53
54 private static void testPrivateAPI() throws Exception {
55 Class<?> name = Class.forName(
56 "com.sun.beans.introspect.MethodInfo$MethodOrder");
57 Field instance = name.getDeclaredField("instance");
58 instance.setAccessible(true);
59 Comparator<Method> o = (Comparator) instance.get(name);
60 List<Method> methods = List.of(X.class.getDeclaredMethods());
61 methods.forEach(m1 -> {
62 methods.forEach(m2 -> {
63 if (o.compare(m1, m2) != -o.compare(m2, m1)) {
64 System.err.println("Method1 = "+ m1);
65 System.err.println("Method2 = "+ m2);
66 throw new RuntimeException("Broken contract!");
67 }
68 });
69 });
70 }
71
72 interface X_1 {
73
74 AbstractList x_8();
75 }
76 interface X_2 {
77
78 Cloneable x_0();
79 }
80 interface X_3 {
81
82 Serializable x_1();
83 }
84 interface X_4 {
85
86 Object x_7();
87 }
88 interface X_5 {
89
90 RandomAccess x_6();
91 }
92 interface X_6 {
93
94 RandomAccess x_0();
95 }
96 interface X_7 {
97
98 Serializable x_5();
99 }
100 interface X_8 {
101
102 Object x_4();
103 }
104 interface X_9 {
105
106 RandomAccess x_5();
107 }
108 interface X_10 {
109
110 Cloneable x_5();
111 }
112 interface X_11 {
113
114 RandomAccess x_9();
115 }
116 interface X_12 {
117
118 Cloneable x_9();
119 }
120 interface X_13 {
121
122 Iterable x_2();
123 }
124 interface X_14 {
125
126 Collection x_7();
127 }
128 interface X_15 {
129
130 Serializable x_4();
131 }
132 interface X_16 {
133
134 Cloneable x_7();
135 }
136 interface X_17 {
137
138 Object x_1();
139 }
140 interface X_18 {
141
142 ArrayList x_6();
143 }
144 interface X_19 {
145
146 List x_5();
147 }
148 interface X_20 {
149
150 Collection x_2();
151 }
152 interface X_21 {
153
154 List x_1();
155 }
156 interface X_22 {
157
158 List x_3();
159 }
160 interface X_23 {
161
162 RandomAccess x_3();
163 }
164 interface X_24 {
165
166 RandomAccess x_1();
167 }
168 interface X_25 {
169
170 Object x_6();
171 }
172 interface X_26 {
173
174 Cloneable x_7();
175 }
176 interface X_27 {
177
178 Iterable x_0();
179 }
180 interface X_28 {
181
182 Iterable x_1();
183 }
184 interface X_29 {
185
186 AbstractList x_7();
187 }
188 interface X_30 {
189
190 AbstractList x_1();
191 }
192 interface X_31 {
193
194 Cloneable x_9();
195 }
196 interface X_32 {
197
198 ArrayList x_6();
199 }
200 interface X_33 {
201
202 Cloneable x_2();
203 }
204 interface X_34 {
205
206 Iterable x_6();
207 }
208 interface X_35 {
209
210 Iterable x_9();
211 }
212 interface X_36 {
213
214 AbstractList x_9();
215 }
216 interface X_37 {
217
218 Iterable x_7();
219 }
220 interface X_38 {
221
222 Iterable x_3();
223 }
224 interface X_39 {
225
226 Iterable x_9();
227 }
228 interface X_40 {
229
230 AbstractList x_3();
231 }
232 interface X_41 {
233
234 List x_0();
235 }
236 interface X_42 {
237
238 Iterable x_0();
239 }
240 interface X_43 {
241
242 Iterable x_2();
243 }
244 interface X_44 {
245
246 ArrayList x_4();
247 }
248 interface X_45 {
249
250 AbstractList x_4();
251 }
252 interface X_46 {
253
254 Collection x_4();
255 }
256 interface X_47 {
257
258 ArrayList x_2();
259 }
260 interface X_48 {
261
262 ArrayList x_6();
263 }
264 interface X_49 {
265
266 Serializable x_1();
267 }
268 interface X_50 {
269
270 Cloneable x_7();
271 }
272 interface X_51 {
273
274 Collection x_5();
275 }
276 interface X_52 {
277
278 RandomAccess x_5();
279 }
280 interface X_53 {
281
282 Collection x_5();
283 }
284 interface X_54 {
285
286 RandomAccess x_4();
287 }
288 interface X_55 {
289
290 Collection x_0();
291 }
292 interface X_56 {
293
294 Collection x_7();
295 }
296 interface X_57 {
297
298 Iterable x_9();
299 }
300 interface X_58 {
301
302 List x_3();
303 }
304 interface X_59 {
305
306 Serializable x_7();
307 }
308 interface X_60 {
309
310 AbstractCollection x_6();
311 }
312 interface X_61 {
313
314 AbstractList x_9();
315 }
316 interface X_62 {
317
318 List x_7();
319 }
320 interface X_63 {
321
322 AbstractCollection x_3();
323 }
324 interface X_64 {
325
326 RandomAccess x_4();
327 }
328 interface X_65 {
329
330 Object x_3();
331 }
332 interface X_66 {
333
334 RandomAccess x_6();
335 }
336 interface X_67 {
337
338 Cloneable x_6();
339 }
340 interface X_68 {
341
342 Cloneable x_3();
343 }
344 interface X_69 {
345
346 Collection x_5();
347 }
348 interface X_70 {
349
350 AbstractCollection x_0();
351 }
352 interface X_71 {
353
354 Object x_8();
355 }
356 interface X_72 {
357
358 AbstractCollection x_3();
359 }
360 interface X_73 {
361
362 Serializable x_4();
363 }
364 interface X_74 {
365
366 AbstractList x_8();
367 }
368 interface X_75 {
369
370 ArrayList x_1();
371 }
372 interface X_76 {
373
374 List x_5();
375 }
376 interface X_77 {
377
378 Object x_0();
379 }
380 interface X_78 {
381
382 Collection x_0();
383 }
384 interface X_79 {
385
386 ArrayList x_2();
387 }
388 interface X_80 {
389
390 ArrayList x_8();
391 }
392 interface X_81 {
393
394 Cloneable x_3();
395 }
396 interface X_82 {
397
398 Serializable x_1();
399 }
400 interface X_83 {
401
402 List x_1();
403 }
404 interface X_84 {
405
406 Collection x_5();
407 }
408 interface X_85 {
409
410 RandomAccess x_9();
411 }
412 interface X_86 {
413
414 AbstractList x_3();
415 }
416 interface X_87 {
417
418 Cloneable x_6();
419 }
420 interface X_88 {
421
422 Object x_2();
423 }
424 interface X_89 {
425
426 ArrayList x_5();
427 }
428 interface X_90 {
429
430 Iterable x_1();
431 }
432 interface X_91 {
433
434 ArrayList x_4();
435 }
436 interface X_92 {
437
438 Iterable x_6();
439 }
440 interface X_93 {
441
442 Collection x_7();
443 }
444 interface X_94 {
445
446 Iterable x_2();
447 }
448 interface X_95 {
449
450 AbstractList x_7();
451 }
452 interface X_96 {
453
454 RandomAccess x_2();
455 }
456 interface X_97 {
457
458 RandomAccess x_2();
459 }
460 interface X_98 {
461
462 List x_6();
463 }
464 interface X_99 {
465
466 Object x_4();
467 }
468 interface X_100 {
469
470 Collection x_7();
471 }
472 static class X
473 implements X_1, X_2, X_3, X_4, X_5, X_6, X_7, X_8, X_9, X_10, X_11,
474 X_12, X_13, X_14, X_15, X_16, X_17, X_18, X_19, X_20,
475 X_21, X_22, X_23, X_24, X_25, X_26, X_27, X_28, X_29,
476 X_30, X_31, X_32, X_33, X_34, X_35, X_36, X_37, X_38,
477 X_39, X_40, X_41, X_42, X_43, X_44, X_45, X_46, X_47,
478 X_48, X_49, X_50, X_51, X_52, X_53, X_54, X_55, X_56,
479 X_57, X_58, X_59, X_60, X_61, X_62, X_63, X_64, X_65,
480 X_66, X_67, X_68, X_69, X_70, X_71, X_72, X_73, X_74,
481 X_75, X_76, X_77, X_78, X_79, X_80, X_81, X_82, X_83,
482 X_84, X_85, X_86, X_87, X_88, X_89, X_90, X_91, X_92,
483 X_93, X_94, X_95, X_96, X_97, X_98, X_99, X_100 {
484
485 public ArrayList x_0() {
486 return null;
487 }
488
489 public ArrayList x_1() {
490 return null;
491 }
492
493 public ArrayList x_2() {
494 return null;
495 }
496
497 public ArrayList x_3() {
498 return null;
499 }
500
501 public ArrayList x_4() {
502 return null;
503 }
504
505 public ArrayList x_5() {
506 return null;
507 }
508
509 public ArrayList x_6() {
510 return null;
511 }
512
513 public ArrayList x_7() {
514 return null;
515 }
516
517 public ArrayList x_8() {
518 return null;
519 }
520
521 public ArrayList x_9() {
522 return null;
523 }
524 }
525 }