1 /*
2 * Copyright (c) 2017, 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 /*
25 * @test
26 * @bug 8046171
27 * @summary Test the various rules for nest members and nest-tops
28 * @compile -XDdisablePrivateAccessors
29 * TestNestmateMembership.java
30 * PackagedNestTop.java
31 * PackagedNestTop2.java
32 * NotAMember2.java
33 * @compile MissingNestTop.jcod
34 * ArrayNestTop.jcod
35 * NotAMember.jcod
36 * NotAMember2.jcod
37 * PackagedNestTop.jcod
38 * PackagedNestTop2Member.jcod
39 * @run main/othervm TestNestmateMembership
40 */
41
42 // We test all the "illegal" relationships between a nest member and its nest-top
43 // except for the case where the name of the nest-member matches the name listed
44 // in the nest-top, but resolves to a different class. There doesn't seem to
45 // be a way to construct that scenario.
46 // For each nested class below there is a corresponding .jcod file which breaks one
47 // of the rules regarding nest membership. For the package related tests we have
48 // additional PackageNestTop*.java sources. We also have NotAMember2.java.
49 // Note that all the .java files must be compiled in the same step, while all
50 // .jcod files must be compiled in a later step.
51
52 public class TestNestmateMembership {
53
54 // jcod modified to have non-existent nest-top
55 static class MissingNestTop {
56 private static void m() {
57 System.out.println("MissingNestTop.m() - java version");
58 }
59 }
60
61 // jcod modified to have non-instance class Object[] as nest-top
62 static class ArrayNestTop {
63 Object[] oa; // create CP entry
64 private static void m() {
65 System.out.println("ArrayTop.m() - java version");
66 }
67 }
68
69 // jcod modified to have Object as nest-top, which has no nest-members
70 static class NotAMember {
71 private static void m() {
72 System.out.println("NotAMember.m() - java version");
73 }
74 }
75
76 public static void main(String[] args) throws Throwable {
77 test_MissingNestTop();
78 test_ArrayNestTop();
79 test_WrongPackageForNestMember();
80 test_NotAMember();
81 test_NotAMember2();
82 }
83
84 static void test_WrongPackageForNestMember() {
85 System.out.println("Testing for nest-top and nest-member in different packages");
86 String msg = "Class P2.PackagedNestTop2$Member is in a different" +
87 " package to its nest top class P1.PackagedNestTop";
88 try {
89 P1.PackagedNestTop.doAccess();
90 throw new Error("Missing IncompatibleClassChangeError: " + msg);
91 }
92 catch (IncompatibleClassChangeError expected) {
93 if (!expected.getMessage().contains(msg))
94 throw new Error("Wrong IncompatibleClassChangeError: \"" +
95 expected.getMessage() + "\" does not contain \"" +
96 msg + "\"");
97 System.out.println("OK - got expected exception: " + expected);
98 }
99 }
100
101 static void test_MissingNestTop() throws Throwable {
102 System.out.println("Testing for nest-top class that does not exist");
103 String msg = "NoSuchClass";
104 try {
105 MissingNestTop.m();
106 throw new Error("Missing NoClassDefFoundError: " + msg);
107 }
108 catch (NoClassDefFoundError expected) {
109 if (!expected.getMessage().contains(msg))
110 throw new Error("Wrong NoClassDefFoundError: \"" +
111 expected.getMessage() + "\" does not contain \"" +
112 msg + "\"");
113 System.out.println("OK - got expected exception: " + expected);
114 }
115 }
116
117 static void test_ArrayNestTop() throws Throwable {
118 System.out.println("Testing for nest-top class that is not an instance class");
119 String msg = "ArrayNestTop has non-instance class [Ljava.lang.Object; as nest-top";
120 try {
121 ArrayNestTop.m();
122 throw new Error("Missing IncompatibleClassChangeError: " + msg);
123 }
124 catch (IncompatibleClassChangeError expected) {
125 if (!expected.getMessage().contains(msg))
126 throw new Error("Wrong IncompatibleClassChangeError: \"" +
127 expected.getMessage() + "\" does not contain \"" +
128 msg + "\"");
129 System.out.println("OK - got expected exception: " + expected);
130 }
131 }
132
133 static void test_NotAMember() throws Throwable {
134 System.out.println("Testing for nest-top class that has no nest");
135 String msg = "NotAMember is not a nest member of java.lang.Object";
136 try {
137 NotAMember.m();
138 throw new Error("Missing IncompatibleClassChangeError: " + msg);
139 }
140 catch (IncompatibleClassChangeError expected) {
141 if (!expected.getMessage().contains(msg))
142 throw new Error("Wrong IncompatibleClassChangeError: \"" +
143 expected.getMessage() + "\" does not contain \"" +
144 msg + "\"");
145 System.out.println("OK - got expected exception: " + expected);
146 }
147 }
148
149 static void test_NotAMember2() throws Throwable {
150 System.out.println("Testing for nest-top class that doesn't list this class as a member");
151 String msg = "NotAMember2$Member is not a nest member of TestNestmateMembership";
152 try {
153 NotAMember2.Member.m();
154 throw new Error("Missing IncompatibleClassChangeError: " + msg);
155 }
156 catch (IncompatibleClassChangeError expected) {
157 if (!expected.getMessage().contains(msg))
158 throw new Error("Wrong IncompatibleClassChangeError: \"" +
159 expected.getMessage() + "\" does not contain \"" +
160 msg + "\"");
161 System.out.println("OK - got expected exception: " + expected);
162 }
163 }
164 }