test/tools/javap/typeAnnotations/Presence.java

changeset 1521
71f35e4b93a5
child 1755
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equal deleted inserted replaced
1520:5c956be64b9e 1521:71f35e4b93a5
1 /*
2 * Copyright (c) 2008, 2013, 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 */
34
35 public class Presence {
36 public static void main(String[] args) throws Exception {
37 new Presence().run();
38 }
39
40 public void run() throws Exception {
41 File javaFile = writeTestFile();
42 File classFile = compileTestFile(javaFile);
43
44 ClassFile cf = ClassFile.read(classFile);
45 test(cf);
46 for (Field f : cf.fields) {
47 test(cf, f);
48 }
49 for (Method m: cf.methods) {
50 test(cf, m);
51 }
52
53 countAnnotations();
54
55 if (errors > 0)
56 throw new Exception(errors + " errors found");
57 System.out.println("PASSED");
58 }
59
60 void test(ClassFile cf) {
61 test(cf, Attribute.RuntimeVisibleTypeAnnotations, true);
62 test(cf, Attribute.RuntimeInvisibleTypeAnnotations, false);
63 }
64
65 void test(ClassFile cf, Method m) {
66 test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
67 test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
68 }
69
70 void test(ClassFile cf, Field m) {
71 test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
72 test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
73 }
74
75 // test the result of Attributes.getIndex according to expectations
76 // encoded in the method's name
77 void test(ClassFile cf, String name, boolean visible) {
78 int index = cf.attributes.getIndex(cf.constant_pool, name);
79 if (index != -1) {
80 Attribute attr = cf.attributes.get(index);
81 assert attr instanceof RuntimeTypeAnnotations_attribute;
82 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
83 all += tAttr.annotations.length;
84 if (visible)
85 visibles += tAttr.annotations.length;
86 else
87 invisibles += tAttr.annotations.length;
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 }
106
107 // test the result of Attributes.getIndex according to expectations
108 // encoded in the method's name
109 void test(ClassFile cf, Field m, String name, boolean visible) {
110 int index = m.attributes.getIndex(cf.constant_pool, name);
111 if (index != -1) {
112 Attribute attr = m.attributes.get(index);
113 assert attr instanceof RuntimeTypeAnnotations_attribute;
114 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
115 all += tAttr.annotations.length;
116 if (visible)
117 visibles += tAttr.annotations.length;
118 else
119 invisibles += tAttr.annotations.length;
120 }
121 }
122
123 File writeTestFile() throws IOException {
124 File f = new File("Test.java");
125 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
126 out.println("import java.util.*;");
127 out.println("import java.lang.annotation.*;");
128
129 out.println("class Test<@Test.A T extends @Test.A List<@Test.A String>> { ");
130 out.println(" @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})");
131 out.println(" @interface A { }");
132
133 out.println(" Map<@A String, Map<@A String, @A String>> f1;");
134
135 out.println(" <@A TM extends @A List<@A String>>");
136 out.println(" Map<@A String, @A List<@A String>>");
137 out.println(" method(@A Test<T> this, List<@A String> @A [] param1, String @A [] @A ... param2)");
138 out.println(" throws @A Exception {");
139 out.println(" @A String lc1 = null;");
140 out.println(" @A List<@A String> lc2 = null;");
141 out.println(" @A String @A [] [] @A[] lc3 = null;");
142 out.println(" List<? extends @A List<@A String>> lc4 = null;");
143 out.println(" Object lc5 = (@A List<@A String>) null;");
144 out.println(" boolean lc6 = lc1 instanceof @A String;");
145 out.println(" boolean lc7 = lc5 instanceof @A String @A [] @A [];");
146 out.println(" new @A ArrayList<@A String>();");
147 out.println(" Object lc8 = new @A String @A [4];");
148 out.println(" try {");
149 out.println(" Object lc10 = int.class;");
150 out.println(" } catch (@A Exception e) { e.toString(); }");
151 out.println(" return null;");
152 out.println(" }");
153 out.println(" void vararg1(String @A ... t) { } ");
154 out.println("}");
155 out.close();
156 return f;
157 }
158
159 File compileTestFile(File f) {
160 int rc = com.sun.tools.javac.Main.compile(new String[] { "-source", "1.8", "-g", f.getPath() });
161 if (rc != 0)
162 throw new Error("compilation failed. rc=" + rc);
163 String path = f.getPath();
164 return new File(path.substring(0, path.length() - 5) + ".class");
165 }
166
167 void countAnnotations() {
168 int expected_visibles = 0, expected_invisibles = 38;
169 int expected_all = expected_visibles + expected_invisibles;
170
171 if (expected_all != all) {
172 errors++;
173 System.err.println("expected " + expected_all
174 + " annotations but found " + all);
175 }
176
177 if (expected_visibles != visibles) {
178 errors++;
179 System.err.println("expected " + expected_visibles
180 + " visibles annotations but found " + visibles);
181 }
182
183 if (expected_invisibles != invisibles) {
184 errors++;
185 System.err.println("expected " + expected_invisibles
186 + " invisibles annotations but found " + invisibles);
187 }
188
189 }
190
191 int errors;
192 int all;
193 int visibles;
194 int invisibles;
195 }

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