Mon, 04 Dec 2017 10:33:18 -0500
8191969: javac produces incorrect RuntimeInvisibleTypeAnnotations length attribute
Reviewed-by: jlahoda, vromero
1 /*
2 * Copyright (c) 2017, Google 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 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 */
24 /*
25 * @test
26 * @bug 8144185 8191969
27 * @summary javac produces incorrect RuntimeInvisibleTypeAnnotations length attribute
28 */
30 import static java.lang.annotation.ElementType.TYPE_USE;
31 import static java.lang.annotation.RetentionPolicy.RUNTIME;
33 import com.sun.tools.classfile.Attribute;
34 import com.sun.tools.classfile.ClassFile;
35 import com.sun.tools.classfile.Code_attribute;
36 import com.sun.tools.classfile.Method;
37 import com.sun.tools.classfile.RuntimeVisibleTypeAnnotations_attribute;
38 import com.sun.tools.classfile.TypeAnnotation;
39 import java.lang.annotation.Retention;
40 import java.lang.annotation.Target;
41 import java.util.Arrays;
42 import java.util.Objects;
44 public class TypeAnnotationPropagationTest extends ClassfileTestHelper {
45 public static void main(String[] args) throws Exception {
46 new TypeAnnotationPropagationTest().run();
47 }
49 public void run() throws Exception {
50 ClassFile cf = getClassFile("TypeAnnotationPropagationTest$Test.class");
52 Method f = null;
53 for (Method m : cf.methods) {
54 if (m.getName(cf.constant_pool).contains("f")) {
55 f = m;
56 break;
57 }
58 }
60 int idx = f.attributes.getIndex(cf.constant_pool, Attribute.Code);
61 Code_attribute cattr = (Code_attribute) f.attributes.get(idx);
62 idx = cattr.attributes.getIndex(cf.constant_pool, Attribute.RuntimeVisibleTypeAnnotations);
63 RuntimeVisibleTypeAnnotations_attribute attr =
64 (RuntimeVisibleTypeAnnotations_attribute) cattr.attributes.get(idx);
66 TypeAnnotation anno = attr.annotations[0];
67 assertEquals(anno.position.lvarOffset, new int[] {3}, "start_pc");
68 assertEquals(anno.position.lvarLength, new int[] {8}, "length");
69 assertEquals(anno.position.lvarIndex, new int[] {1}, "index");
70 }
72 void assertEquals(int[] actual, int[] expected, String message) {
73 if (!Arrays.equals(actual, expected)) {
74 throw new AssertionError(
75 String.format(
76 "actual: %s, expected: %s, %s",
77 Arrays.toString(actual), Arrays.toString(expected), message));
78 }
79 }
81 /** ********************* Test class ************************ */
82 static class Test {
83 void f() {
84 @A String s = "";
85 Runnable r =
86 () -> {
87 Objects.requireNonNull(s);
88 Objects.requireNonNull(s);
89 Objects.requireNonNull(s);
90 Objects.requireNonNull(s);
91 Objects.requireNonNull(s);
92 Objects.requireNonNull(s);
93 };
94 }
96 @Retention(RUNTIME)
97 @Target(TYPE_USE)
98 @interface A {}
99 }
100 }