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 }