test/tools/javap/typeAnnotations/ArrayClassLiterals.java

changeset 328
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child 329
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327:86ad2753f3be 328:99b7a25185aa
1 /*
2 * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 */
23
24 import java.io.*;
25 import com.sun.tools.classfile.*;
26
27 /*
28 * @test ArrayClassLiterals
29 * @summary test that class literals array doesn't crash javap
30 */
31
32 public class ArrayClassLiterals {
33 public static void main(String[] args) throws Exception {
34 new ArrayClassLiterals().run();
35 }
36
37 public void run() throws Exception {
38 File javaFile = writeTestFile();
39 File classFile = compileTestFile(javaFile);
40
41 ClassFile cf = ClassFile.read(classFile);
42 test(cf);
43 for (Field f : cf.fields) {
44 test(cf, f);
45 }
46 for (Method m: cf.methods) {
47 test(cf, m);
48 }
49
50 countAnnotations();
51
52 if (errors > 0)
53 throw new Exception(errors + " errors found");
54 System.out.println("PASSED");
55 }
56
57 void test(ClassFile cf) {
58 test(cf, Attribute.RuntimeVisibleTypeAnnotations, true);
59 test(cf, Attribute.RuntimeInvisibleTypeAnnotations, false);
60 }
61
62 void test(ClassFile cf, Method m) {
63 test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
64 test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
65 }
66
67 void test(ClassFile cf, Field m) {
68 test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
69 test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
70 }
71
72 // test the result of Attributes.getIndex according to expectations
73 // encoded in the method's name
74 void test(ClassFile cf, String name, boolean visible) {
75 int index = cf.attributes.getIndex(cf.constant_pool, name);
76 if (index != -1) {
77 Attribute attr = cf.attributes.get(index);
78 assert attr instanceof RuntimeTypeAnnotations_attribute;
79 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
80 all += tAttr.annotations.length;
81 if (visible)
82 visibles += tAttr.annotations.length;
83 else
84 invisibles += tAttr.annotations.length;
85
86 for (ExtendedAnnotation anno : tAttr.annotations)
87 anno.position.toString();
88 }
89 }
90
91 // test the result of Attributes.getIndex according to expectations
92 // encoded in the method's name
93 void test(ClassFile cf, Method m, String name, boolean visible) {
94 int index = m.attributes.getIndex(cf.constant_pool, name);
95 if (index != -1) {
96 Attribute attr = m.attributes.get(index);
97 assert attr instanceof RuntimeTypeAnnotations_attribute;
98 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
99 all += tAttr.annotations.length;
100 if (visible)
101 visibles += tAttr.annotations.length;
102 else
103 invisibles += tAttr.annotations.length;
104
105 for (ExtendedAnnotation anno : tAttr.annotations)
106 anno.position.toString();
107 }
108 }
109
110 // test the result of Attributes.getIndex according to expectations
111 // encoded in the method's name
112 void test(ClassFile cf, Field m, String name, boolean visible) {
113 int index = m.attributes.getIndex(cf.constant_pool, name);
114 if (index != -1) {
115 Attribute attr = m.attributes.get(index);
116 assert attr instanceof RuntimeTypeAnnotations_attribute;
117 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
118 all += tAttr.annotations.length;
119 if (visible)
120 visibles += tAttr.annotations.length;
121 else
122 invisibles += tAttr.annotations.length;
123
124 for (ExtendedAnnotation anno : tAttr.annotations)
125 anno.position.toString();
126 }
127 }
128
129 File writeTestFile() throws IOException {
130 File f = new File("Testa.java");
131 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
132 out.println("import java.util.*;");
133 out.println("class Testa { ");
134 out.println(" @interface A { }");
135
136 out.println(" void test() {");
137 out.println(" Object a = @A String.class;");
138 out.println(" Object b = @A String @A [] @A [].class;");
139 out.println(" }");
140 out.println("}");
141
142 out.close();
143 return f;
144 }
145
146 File compileTestFile(File f) {
147 int rc = com.sun.tools.javac.Main.compile(new String[] { "-source", "1.7", "-g", f.getPath() });
148 if (rc != 0)
149 throw new Error("compilation failed. rc=" + rc);
150 String path = f.getPath();
151 return new File(path.substring(0, path.length() - 5) + ".class");
152 }
153
154 void countAnnotations() {
155 int expected_visibles = 0, expected_invisibles = 4;
156 int expected_all = expected_visibles + expected_invisibles;
157
158 if (expected_all != all) {
159 errors++;
160 System.err.println("expected " + expected_all
161 + " annotations but found " + all);
162 }
163
164 if (expected_visibles != visibles) {
165 errors++;
166 System.err.println("expected " + expected_visibles
167 + " visibles annotations but found " + visibles);
168 }
169
170 if (expected_invisibles != invisibles) {
171 errors++;
172 System.err.println("expected " + expected_invisibles
173 + " invisibles annotations but found " + invisibles);
174 }
175
176 }
177
178 int errors;
179 int all;
180 int visibles;
181 int invisibles;
182 }

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