1 /*
2 * Copyright (c) 2009, 2015, 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.io.*;
25 import com.sun.tools.classfile.*;
26
27 /*
28 * @test PresenceInner
29 * @bug 6843077
30 * @summary test that annotations in inner types count only once
31 * @modules jdk.jdeps/com.sun.tools.classfile
32 */
33
34 public class PresenceInner {
35 public static void main(String[] args) throws Exception {
36 new PresenceInner().run();
37 }
38
39 public void run() throws Exception {
40 File javaFile = writeTestFile();
41 File classFile = compileTestFile(javaFile);
42
43 ClassFile cf = ClassFile.read(classFile);
44 test(cf);
45 for (Field f : cf.fields) {
46 test(cf, f);
47 }
48 for (Method m: cf.methods) {
49 test(cf, m);
50 }
51
52 // counts are zero when vising outer class
53 countAnnotations(0);
54
55 // visit inner class
56 File innerFile = new File("Test$1Inner.class");
57 ClassFile icf = ClassFile.read(innerFile);
58 test(icf);
59 for (Field f : icf.fields) {
60 test(cf, f);
61 }
62 for (Method m: icf.methods) {
63 test(cf, m);
64 }
65
66 countAnnotations(1);
67 if (errors > 0)
68 throw new Exception(errors + " errors found");
69 System.out.println("PASSED");
70 }
71
72 void test(ClassFile cf) {
73 test(cf, Attribute.RuntimeVisibleTypeAnnotations, true);
74 test(cf, Attribute.RuntimeInvisibleTypeAnnotations, false);
75 }
76
77 void test(ClassFile cf, Method m) {
78 test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
79 test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
80 }
81
82 void test(ClassFile cf, Field m) {
83 test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
84 test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
85 }
86
87 // test the result of Attributes.getIndex according to expectations
88 // encoded in the method's name
89 void test(ClassFile cf, String name, boolean visible) {
90 int index = cf.attributes.getIndex(cf.constant_pool, name);
91 if (index != -1) {
92 Attribute attr = cf.attributes.get(index);
93 assert attr instanceof RuntimeTypeAnnotations_attribute;
94 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
95 all += tAttr.annotations.length;
96 if (visible)
97 visibles += tAttr.annotations.length;
98 else
99 invisibles += tAttr.annotations.length;
100 }
101 }
102
103 // test the result of Attributes.getIndex according to expectations
104 // encoded in the method's name
105 void test(ClassFile cf, Method m, String name, boolean visible) {
106 int index = m.attributes.getIndex(cf.constant_pool, name);
107 if (index != -1) {
108 Attribute attr = m.attributes.get(index);
109 assert attr instanceof RuntimeTypeAnnotations_attribute;
110 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
111 all += tAttr.annotations.length;
112 if (visible)
113 visibles += tAttr.annotations.length;
114 else
115 invisibles += tAttr.annotations.length;
116 }
117 }
118
119 // test the result of Attributes.getIndex according to expectations
120 // encoded in the method's name
121 void test(ClassFile cf, Field m, String name, boolean visible) {
122 int index = m.attributes.getIndex(cf.constant_pool, name);
123 if (index != -1) {
124 Attribute attr = m.attributes.get(index);
125 assert attr instanceof RuntimeTypeAnnotations_attribute;
126 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
127 all += tAttr.annotations.length;
128 if (visible)
129 visibles += tAttr.annotations.length;
130 else
131 invisibles += tAttr.annotations.length;
132 }
133 }
134
135 File writeTestFile() throws IOException {
136 File f = new File("Test.java");
137 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
138
139 out.println("import java.lang.annotation.*;");
140 out.println("class Test {");
141 out.println(" void method() {");
142 out.println(" class Inner<T extends @A Object> { }");
143 out.println(" }");
144 out.println("}");
145 out.println("@Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})");
146 out.println("@interface A { }");
147 out.close();
148 System.out.println(f.getAbsolutePath());
149 return f;
150 }
151
152 File compileTestFile(File f) {
153 int rc = com.sun.tools.javac.Main.compile(new String[] {"-g", f.getPath() });
154 if (rc != 0)
155 throw new Error("compilation failed. rc=" + rc);
156 String path = f.getPath();
157 return new File(path.substring(0, path.length() - 5) + ".class");
158 }
159
160 void countAnnotations(int expected_invisibles) {
161 int expected_visibles = 0;
162 int expected_all = expected_visibles + expected_invisibles;
163
164 if (expected_all != all) {
165 errors++;
166 System.err.println("expected " + expected_all
167 + " annotations but found " + all);
168 }
169
170 if (expected_visibles != visibles) {
171 errors++;
172 System.err.println("expected " + expected_visibles
173 + " visibles annotations but found " + visibles);
174 }
175
176 if (expected_invisibles != invisibles) {
177 errors++;
178 System.err.println("expected " + expected_invisibles
179 + " invisibles annotations but found " + invisibles);
180 }
181
182 }
183
184 int errors;
185 int all;
186 int visibles;
187 int invisibles;
188 }