1 /*
2 * Copyright (c) 2014, 2016, 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 8042251
27 * @summary Testing InnerClasses_attribute of inner classes in local class.
28 * @library /tools/lib /tools/javac/lib ../lib
29 * @enablePreview
30 * @modules java.base/jdk.internal.classfile.impl
31 * jdk.compiler/com.sun.tools.javac.api
32 * jdk.compiler/com.sun.tools.javac.main
33 * @build toolbox.ToolBox InMemoryFileManager TestResult TestBase
34 * @build InnerClassesTestBase
35 * @run main InnerClassesInLocalClassTest
36 */
37
38 import java.util.*;
39
40 public class InnerClassesInLocalClassTest extends InnerClassesTestBase {
41
42 private final static Modifier[] LOCAL_CLASS_MODIFIERS =
43 new Modifier[]{Modifier.EMPTY, Modifier.ABSTRACT, Modifier.FINAL};
44 private final static String CLASS_TEMPLATE =
45 "public %CLASS% OuterClass {\n" +
46 "%SOURCE%\n" +
47 "}";
48
49 private final List<Data> innerClassesData;
50
51 public InnerClassesInLocalClassTest() {
52 innerClassesData = new ArrayList<>();
53 for (Modifier outerModifier : LOCAL_CLASS_MODIFIERS) {
54 StringBuilder sb = new StringBuilder();
55 sb.append(outerModifier.getString()).append(' ');
56 sb.append("class Local { int f; "); // impose identity to make testing predictable.
57 Map<String, Set<String>> class2Flags = new HashMap<>();
58 for (int i = 0; i < LOCAL_CLASS_MODIFIERS.length; ++i) {
59 Modifier innerModifier = LOCAL_CLASS_MODIFIERS[i];
60 sb.append(innerModifier.getString()).append(' ')
61 .append("class").append(' ')
62 .append('A').append(i).append("{}\n");
63 class2Flags.put("A" + i, getFlags(innerModifier));
64 }
65 sb.append("};");
66 class2Flags.put("1Local", getFlags(outerModifier));
67 innerClassesData.add(new Data(sb.toString(), class2Flags));
68 }
69 }
70
71 public static void main(String[] args) throws TestFailedException {
72 InnerClassesTestBase test = new InnerClassesInLocalClassTest();
73 test.test("OuterClass$1Local", "1Local");
74 }
75
76 @Override
77 public void setProperties() {
78 }
79
80 @Override
81 public List<TestCase> generateTestCases() {
82 List<TestCase> testCases = new ArrayList<>();
83 testCases.addAll(localClassInClassMethod());
84 testCases.addAll(localClassInInterfaceMethod());
85 return testCases;
86 }
87
88 private List<TestCase> localClassInClassMethod() {
89 List<TestCase> list = new ArrayList<>();
90 String template = CLASS_TEMPLATE.replace("%CLASS%", "class");
91 list.addAll(lambda(template));
92 list.addAll(constructor(template));
93 list.addAll(method(template,
94 new Modifier[]{Modifier.EMPTY, Modifier.PRIVATE, Modifier.PROTECTED, Modifier.PUBLIC},
95 new Modifier[]{Modifier.EMPTY, Modifier.FINAL, Modifier.STATIC}));
96 list.addAll(staticAndInstanceInitializer(template));
97 return list;
98 }
99
100 private List<TestCase> localClassInInterfaceMethod() {
101 String template = CLASS_TEMPLATE.replace("%CLASS%", "interface");
102 return method(template,
103 new Modifier[]{Modifier.EMPTY, Modifier.PUBLIC},
104 new Modifier[]{Modifier.DEFAULT, Modifier.STATIC});
105 }
106
107 private List<TestCase> generate(String template, String prefix, String suffix) {
108 List<TestCase> list = new ArrayList<>();
109 for (Data data : innerClassesData) {
110 list.add(new TestCase(template.replace("%SOURCE%",
111 prefix + data.sources + suffix),
112 data.class2Flags));
113 }
114 return list;
115 }
116
117 private List<TestCase> lambda(String template) {
118 return generate(template, "Runnable run = () -> {", "};");
119 }
120
121 private List<TestCase> constructor(String template) {
122 List<TestCase> list = new ArrayList<>();
123 for (Modifier modifier :
124 new Modifier[]{Modifier.EMPTY, Modifier.PRIVATE, Modifier.PROTECTED, Modifier.PUBLIC}) {
125 list.addAll(generate(template, modifier.getString() + " OuterClass() {", "}"));
126 }
127 return list;
128 }
129
130 private List<TestCase> method(String template, Modifier[] mods, Modifier[] otherMods) {
131 List<TestCase> list = new ArrayList<>();
132 for (Modifier modifier : mods) {
133 for (Modifier otherMod : otherMods) {
134 list.addAll(generate(template,
135 String.format("%s %s void method() {",
136 modifier.getString(),
137 otherMod.getString()),
138 "}"));
139 }
140 }
141 return list;
142 }
143
144 private List<TestCase> staticAndInstanceInitializer(String template) {
145 List<TestCase> list = new ArrayList<>();
146 for (Modifier modifier : new Modifier[]{Modifier.EMPTY, Modifier.STATIC}) {
147 list.addAll(generate(template, modifier.getString() + "{", "}"));
148 }
149 return list;
150 }
151
152 private Set<String> getFlags(Modifier modifier) {
153 HashSet<String> set = new HashSet<>();
154 set.add("ACC_IDENTITY");
155 if (modifier != Modifier.EMPTY) {
156 set.add("ACC_" + modifier.getString().toUpperCase());
157 }
158 return set;
159 }
160
161 /**
162 * Class represents part of sources which is inserted in other code.
163 */
164 private static class Data {
165 public final String sources;
166 public final Map<String, Set<String>> class2Flags;
167
168 public Data(String sources, Map<String, Set<String>> class2Flags) {
169 this.sources = sources;
170 this.class2Flags = class2Flags;
171 }
172 }
173 }