120 lines
3.3 KiB
Java
120 lines
3.3 KiB
Java
/*
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* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 8025113
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* @author sogoel
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* @summary Test shadowing of resource variable
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*/
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/*
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* "...a variable declared in a resource specification
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* may be shadowed (6.3.1) anywhere inside a class declaration nested
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* within the Block of the try."
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*/
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public class ResourceShadow {
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static final String str = "asdf"; //this is okay
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/**
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* Resource variable shadows switch and case variables
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*/
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String test1() {
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String ret = null;
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switch (str) {
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case str: //this is okay
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try (SilentCloseable str = new SilentCloseable()) {
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SilentCloseable tr = new SilentCloseable(str);
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ret = str.getClass().getSimpleName();
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}
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break;
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default:
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ret = "";
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}
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return ret;
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}
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/**
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* Resource variable may be shadowed (6.3.1) anywhere inside a class
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* declaration nested within the Block of the try
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*/
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String test2() {
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String ret = null;
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try (SilentCloseable str = new SilentCloseable()) {
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class temp {
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String str = "I am not a SilentCloseable";
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public void printSTR() {
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System.out.println(str);
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}
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public String getSTR() {
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return str;
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}
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}
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temp tmp = new temp();
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SilentCloseable tr = new SilentCloseable(tmp.getSTR());
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ret = tr.getMsg();
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}
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return ret;
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}
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public static void main(String... args) {
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ResourceShadow t = new ResourceShadow();
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if (t.test1().compareTo("SilentCloseable") != 0) {
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throw new RuntimeException("FAIL-test1");
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}
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if (t.test2().compareTo("I am not a SilentCloseable") != 0) {
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throw new RuntimeException("FAIL-test2");
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}
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}
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}
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class SilentCloseable implements AutoCloseable {
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SilentCloseable testres = null;
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String msg = "default";
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@Override
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public void close() {
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}
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public SilentCloseable() {
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}
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public SilentCloseable(String s) {
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msg = s;
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}
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public SilentCloseable(SilentCloseable tr) {
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testres = tr;
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}
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public String getMsg() {
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return msg;
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}
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}
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