1 /*
2 * Copyright (c) 2008, 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 java.lang.annotation.ElementType;
26
27 import com.sun.tools.classfile.*;
28
29 /*
30 * @test Presence
31 * @bug 6843077
32 * @summary test that all type annotations are present in the classfile
33 * @modules jdk.compiler/com.sun.tools.classfile
34 */
35
36 public class Presence {
37 public static void main(String[] args) throws Exception {
38 new Presence().run();
39 }
40
41 public void run() throws Exception {
42 File javaFile = writeTestFile();
43 File classFile = compileTestFile(javaFile);
44
45 ClassFile cf = ClassFile.read(classFile);
46 test(cf);
47 for (Field f : cf.fields) {
48 test(cf, f);
49 }
50 for (Method m: cf.methods) {
51 test(cf, m);
52 }
53
54 countAnnotations();
55
56 if (errors > 0)
57 throw new Exception(errors + " errors found");
58 System.out.println("PASSED");
59 }
60
61 void test(ClassFile cf) {
62 test(cf, Attribute.RuntimeVisibleTypeAnnotations, true);
63 test(cf, Attribute.RuntimeInvisibleTypeAnnotations, false);
64 }
65
66 void test(ClassFile cf, Method m) {
67 test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
68 test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
69 }
70
71 void test(ClassFile cf, Field m) {
72 test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
73 test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
74 }
75
76 // test the result of Attributes.getIndex according to expectations
77 // encoded in the method's name
78 void test(ClassFile cf, String name, boolean visible) {
79 int index = cf.attributes.getIndex(cf.constant_pool, name);
80 if (index != -1) {
81 Attribute attr = cf.attributes.get(index);
82 assert attr instanceof RuntimeTypeAnnotations_attribute;
83 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
84 all += tAttr.annotations.length;
85 if (visible)
86 visibles += tAttr.annotations.length;
87 else
88 invisibles += tAttr.annotations.length;
89 }
90 }
91
92 // test the result of Attributes.getIndex according to expectations
93 // encoded in the method's name
94 void test(ClassFile cf, Method m, String name, boolean visible) {
95 Attribute attr = null;
96 Code_attribute cAttr = null;
97 RuntimeTypeAnnotations_attribute tAttr = null;
98
99 // collect annotations attributes on method
100 int index = m.attributes.getIndex(cf.constant_pool, name);
101 if (index != -1) {
102 attr = m.attributes.get(index);
103 assert attr instanceof RuntimeTypeAnnotations_attribute;
104 tAttr = (RuntimeTypeAnnotations_attribute)attr;
105 all += tAttr.annotations.length;
106 if (visible)
107 visibles += tAttr.annotations.length;
108 else
109 invisibles += tAttr.annotations.length;
110 }
111 // collect annotations from method's code attribute
112 index = m.attributes.getIndex(cf.constant_pool, Attribute.Code);
113 if(index!= -1) {
114 attr = m.attributes.get(index);
115 assert attr instanceof Code_attribute;
116 cAttr = (Code_attribute)attr;
117 index = cAttr.attributes.getIndex(cf.constant_pool, name);
118 if(index!= -1) {
119 attr = cAttr.attributes.get(index);
120 assert attr instanceof RuntimeTypeAnnotations_attribute;
121 tAttr = (RuntimeTypeAnnotations_attribute)attr;
122 all += tAttr.annotations.length;
123 if (visible)
124 visibles += tAttr.annotations.length;
125 else
126 invisibles += tAttr.annotations.length;
127 }
128 }
129 }
130
131 // test the result of Attributes.getIndex according to expectations
132 // encoded in the method's name
133 void test(ClassFile cf, Field m, String name, boolean visible) {
134 int index = m.attributes.getIndex(cf.constant_pool, name);
135 if (index != -1) {
136 Attribute attr = m.attributes.get(index);
137 assert attr instanceof RuntimeTypeAnnotations_attribute;
138 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
139 all += tAttr.annotations.length;
140 if (visible)
141 visibles += tAttr.annotations.length;
142 else
143 invisibles += tAttr.annotations.length;
144 }
145 }
146
147 File writeTestFile() throws IOException {
148 File f = new File("TestPresence.java");
149 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
150 out.println("import java.util.*;");
151 out.println("import java.lang.annotation.*;");
152
153 out.println("class TestPresence<@TestPresence.A T extends @TestPresence.A List<@TestPresence.A String>> { ");
154 out.println(" @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})");
155 out.println(" @interface A { }");
156
157 out.println(" Map<@A String, Map<@A String, @A String>> f1;");
158
159 out.println(" <@A TM extends @A List<@A String>>");
160 out.println(" Map<@A String, @A List<@A String>>");
161 out.println(" method(@A TestPresence<T> this, List<@A String> @A [] param1, String @A [] @A ... param2)");
162 out.println(" throws @A Exception {");
163 out.println(" @A String lc1 = null;");
164 out.println(" @A List<@A String> lc2 = null;");
165 out.println(" @A String @A [] [] @A[] lc3 = null;");
166 out.println(" List<? extends @A List<@A String>> lc4 = null;");
167 out.println(" Object lc5 = (@A List<@A String>) null;");
168 out.println(" boolean lc6 = lc1 instanceof @A String;");
169 out.println(" boolean lc7 = lc5 instanceof @A String @A [] @A [];");
170 out.println(" new @A ArrayList<@A String>();");
171 out.println(" Object lc8 = new @A String @A [4];");
172 out.println(" try {");
173 out.println(" Object lc10 = int.class;");
174 out.println(" } catch (@A Exception e) { e.toString(); }");
175 out.println(" return null;");
176 out.println(" }");
177 out.println(" void vararg1(String @A ... t) { } ");
178 out.println("}");
179 out.close();
180 return f;
181 }
182
183 File compileTestFile(File f) {
184 int rc = com.sun.tools.javac.Main.compile(new String[] {"-g", f.getPath() });
185 if (rc != 0)
186 throw new Error("compilation failed. rc=" + rc);
187 String path = f.getPath();
188 return new File(path.substring(0, path.length() - 5) + ".class");
189 }
190
191 void countAnnotations() {
192 int expected_visibles = 0, expected_invisibles = 38;
193 int expected_all = expected_visibles + expected_invisibles;
194
195 if (expected_all != all) {
196 errors++;
197 System.err.println("expected " + expected_all
198 + " annotations but found " + all);
199 }
200
201 if (expected_visibles != visibles) {
202 errors++;
203 System.err.println("expected " + expected_visibles
204 + " visibles annotations but found " + visibles);
205 }
206
207 if (expected_invisibles != invisibles) {
208 errors++;
209 System.err.println("expected " + expected_invisibles
210 + " invisibles annotations but found " + invisibles);
211 }
212
213 }
214
215 int errors;
216 int all;
217 int visibles;
218 int invisibles;
219 }