ResourceVariable.java revision 2942:08092deced3f 
1/*
2 * Copyright (c) 2012, 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/*
25 * @test
26 * @bug 8042451
27 * @summary Test population of reference info for resource variable
28 * @modules jdk.jdeps/com.sun.tools.classfile
29 * @compile -g Driver.java ReferenceInfoUtil.java ResourceVariable.java
30 * @run main Driver ResourceVariable
31 */
32
33import static com.sun.tools.classfile.TypeAnnotation.TargetType.RESOURCE_VARIABLE;
34import static java.lang.System.lineSeparator;
35
36public class ResourceVariable {
37
38    @TADescription(annotation = "TA", type = RESOURCE_VARIABLE,
39            lvarOffset = {10}, lvarLength = {118}, lvarIndex = {1})
40    @TADescription(annotation = "TB", type = RESOURCE_VARIABLE,
41            lvarOffset = {22}, lvarLength = {35}, lvarIndex = {3})
42    public String testResourceVariable() {
43        return
44                "public void f() throws IOException {" + lineSeparator() +
45                "    try (@TA InputStream is1 = new FileInputStream(\"\")) {" + lineSeparator() +
46                "        try (@TB InputStream is2 = new FileInputStream(\"\")) {}" + lineSeparator() +
47                "    }" + lineSeparator() +
48                "}";
49    }
50
51    @TADescription(annotation = "RTAs", type = RESOURCE_VARIABLE,
52            lvarOffset = {10}, lvarLength = {30}, lvarIndex = {1})
53    public String testRepeatedAnnotation1() {
54        return
55                "public void f() throws IOException {" + lineSeparator() +
56                "    try (@RTA @RTA InputStream is1 = new FileInputStream(\"\")) {}" + lineSeparator() +
57                "}";
58    }
59
60    @TADescription(annotation = "RTAs", type = RESOURCE_VARIABLE,
61            lvarOffset = {10}, lvarLength = {30}, lvarIndex = {1})
62    public String testRepeatedAnnotation2() {
63        return
64                "public void f() throws IOException {" + lineSeparator() +
65                "    try (@RTAs({@RTA, @RTA}) InputStream is1 = new FileInputStream(\"\")) {}" + lineSeparator() +
66                "}";
67    }
68
69    @TADescription(annotation = "TA", type = RESOURCE_VARIABLE,
70            lvarOffset = {10}, lvarLength = {118}, lvarIndex = {1})
71    @TADescription(annotation = "TB", type = RESOURCE_VARIABLE,
72            lvarOffset = {22}, lvarLength = {35}, lvarIndex = {3})
73    public String testSeveralVariablesInTryWithResources() {
74        return
75                "public void f() throws IOException {" + lineSeparator() +
76                        "    try (@TA InputStream is1 = new FileInputStream(\"\");" + lineSeparator() +
77                        "        @TB InputStream is2 = new FileInputStream(\"\")) {}" + lineSeparator() +
78                        "}";
79    }
80}
81