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 
  33 import static com.sun.tools.classfile.TypeAnnotation.TargetType.RESOURCE_VARIABLE;
  34 import static java.lang.System.lineSeparator;
  35 
  36 public 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 }