1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
|
/*
* Copyright (c) 2008, 2015, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
import java.io.*;
import java.lang.annotation.ElementType;
import com.sun.tools.classfile.*;
/*
* @test Presence
* @bug 6843077
* @summary test that all type annotations are present in the classfile
* @modules jdk.jdeps/com.sun.tools.classfile
*/
public class Presence {
public static void main(String[] args) throws Exception {
new Presence().run();
}
public void run() throws Exception {
File javaFile = writeTestFile();
File classFile = compileTestFile(javaFile);
ClassFile cf = ClassFile.read(classFile);
test(cf);
for (Field f : cf.fields) {
test(cf, f);
}
for (Method m: cf.methods) {
test(cf, m);
}
countAnnotations();
if (errors > 0)
throw new Exception(errors + " errors found");
System.out.println("PASSED");
}
void test(ClassFile cf) {
test(cf, Attribute.RuntimeVisibleTypeAnnotations, true);
test(cf, Attribute.RuntimeInvisibleTypeAnnotations, false);
}
void test(ClassFile cf, Method m) {
test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
}
void test(ClassFile cf, Field m) {
test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
}
// test the result of Attributes.getIndex according to expectations
// encoded in the method's name
void test(ClassFile cf, String name, boolean visible) {
int index = cf.attributes.getIndex(cf.constant_pool, name);
if (index != -1) {
Attribute attr = cf.attributes.get(index);
assert attr instanceof RuntimeTypeAnnotations_attribute;
RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
all += tAttr.annotations.length;
if (visible)
visibles += tAttr.annotations.length;
else
invisibles += tAttr.annotations.length;
}
}
// test the result of Attributes.getIndex according to expectations
// encoded in the method's name
void test(ClassFile cf, Method m, String name, boolean visible) {
Attribute attr = null;
Code_attribute cAttr = null;
RuntimeTypeAnnotations_attribute tAttr = null;
// collect annotations attributes on method
int index = m.attributes.getIndex(cf.constant_pool, name);
if (index != -1) {
attr = m.attributes.get(index);
assert attr instanceof RuntimeTypeAnnotations_attribute;
tAttr = (RuntimeTypeAnnotations_attribute)attr;
all += tAttr.annotations.length;
if (visible)
visibles += tAttr.annotations.length;
else
invisibles += tAttr.annotations.length;
}
// collect annotations from method's code attribute
index = m.attributes.getIndex(cf.constant_pool, Attribute.Code);
if(index!= -1) {
attr = m.attributes.get(index);
assert attr instanceof Code_attribute;
cAttr = (Code_attribute)attr;
index = cAttr.attributes.getIndex(cf.constant_pool, name);
if(index!= -1) {
attr = cAttr.attributes.get(index);
assert attr instanceof RuntimeTypeAnnotations_attribute;
tAttr = (RuntimeTypeAnnotations_attribute)attr;
all += tAttr.annotations.length;
if (visible)
visibles += tAttr.annotations.length;
else
invisibles += tAttr.annotations.length;
}
}
}
// test the result of Attributes.getIndex according to expectations
// encoded in the method's name
void test(ClassFile cf, Field m, String name, boolean visible) {
int index = m.attributes.getIndex(cf.constant_pool, name);
if (index != -1) {
Attribute attr = m.attributes.get(index);
assert attr instanceof RuntimeTypeAnnotations_attribute;
RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
all += tAttr.annotations.length;
if (visible)
visibles += tAttr.annotations.length;
else
invisibles += tAttr.annotations.length;
}
}
File writeTestFile() throws IOException {
File f = new File("TestPresence.java");
PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
out.println("import java.util.*;");
out.println("import java.lang.annotation.*;");
out.println("class TestPresence<@TestPresence.A T extends @TestPresence.A List<@TestPresence.A String>> { ");
out.println(" @Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})");
out.println(" @interface A { }");
out.println(" Map<@A String, Map<@A String, @A String>> f1;");
out.println(" <@A TM extends @A List<@A String>>");
out.println(" Map<@A String, @A List<@A String>>");
out.println(" method(@A TestPresence<T> this, List<@A String> @A [] param1, String @A [] @A ... param2)");
out.println(" throws @A Exception {");
out.println(" @A String lc1 = null;");
out.println(" @A List<@A String> lc2 = null;");
out.println(" @A String @A [] [] @A[] lc3 = null;");
out.println(" List<? extends @A List<@A String>> lc4 = null;");
out.println(" Object lc5 = (@A List<@A String>) null;");
out.println(" boolean lc6 = lc1 instanceof @A String;");
out.println(" boolean lc7 = lc5 instanceof @A String @A [] @A [];");
out.println(" new @A ArrayList<@A String>();");
out.println(" Object lc8 = new @A String @A [4];");
out.println(" try {");
out.println(" Object lc10 = int.class;");
out.println(" } catch (@A Exception e) { e.toString(); }");
out.println(" return null;");
out.println(" }");
out.println(" void vararg1(String @A ... t) { } ");
out.println("}");
out.close();
return f;
}
File compileTestFile(File f) {
int rc = com.sun.tools.javac.Main.compile(new String[] {"-g", f.getPath() });
if (rc != 0)
throw new Error("compilation failed. rc=" + rc);
String path = f.getPath();
return new File(path.substring(0, path.length() - 5) + ".class");
}
void countAnnotations() {
int expected_visibles = 0, expected_invisibles = 38;
int expected_all = expected_visibles + expected_invisibles;
if (expected_all != all) {
errors++;
System.err.println("expected " + expected_all
+ " annotations but found " + all);
}
if (expected_visibles != visibles) {
errors++;
System.err.println("expected " + expected_visibles
+ " visibles annotations but found " + visibles);
}
if (expected_invisibles != invisibles) {
errors++;
System.err.println("expected " + expected_invisibles
+ " invisibles annotations but found " + invisibles);
}
}
int errors;
int all;
int visibles;
int invisibles;
}
|
