1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/test/tools/javac/TryWithResources/TestTwr09.java Wed Apr 27 01:34:52 2016 +0800
1.3 @@ -0,0 +1,129 @@
1.4 +/*
1.5 + * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + */
1.26 +
1.27 +/*
1.28 + * @test
1.29 + * @bug 8025113
1.30 + * @author sogoel
1.31 + * @summary t-w-r completes abruptly if the initialization of resource completes abruptly
1.32 + */
1.33 +
1.34 +import java.io.FileInputStream;
1.35 +import java.io.IOException;
1.36 +import java.io.File;
1.37 +
1.38 +/*
1.39 + * If the initialization of the resource completes abruptly because of a
1.40 + * throw of a value V ... and the automatic ->closing of the resource completes normally,
1.41 + * then the try-with-resources statement completes abruptly because of the throw of value V.
1.42 + */
1.43 +public class TestTwr09 {
1.44 +
1.45 + /**
1.46 + * throw from ctor of nested resource
1.47 + * Check first resource is not open.
1.48 + */
1.49 + String test1() {
1.50 + String ret = null;
1.51 + try (ResCloseable tr = new ResCloseable(new ResCloseable("throw from inner resource ctor",3))) {
1.52 + ret = "FAIL";
1.53 + } catch (RuntimeException re) {
1.54 + ret = re.getMessage();
1.55 + }
1.56 + return ret;
1.57 + }
1.58 +
1.59 + /**
1.60 + * throw from ctor of 2nd resource.
1.61 + * 1st resource, FileInputStream should be automatically closed.
1.62 + */
1.63 + String test2() {
1.64 + String ret = null;
1.65 + byte[] buf = new byte[1];
1.66 + try (java.io.ByteArrayInputStream tr = new java.io.ByteArrayInputStream(buf);
1.67 + ResCloseable str = new ResCloseable("throw from inner resource ctor",3)) {
1.68 + ret = "FAIL";
1.69 + } catch (final IOException fe) {
1.70 + ret = "FAIL test2";
1.71 + } catch (RuntimeException re) {
1.72 + ret = "PASS test2";
1.73 + }
1.74 + System.out.println("Ret = " + ret);
1.75 + return ret;
1.76 + }
1.77 +
1.78 + public static void main(String... args) {
1.79 + TestTwr09 t = new TestTwr09();
1.80 + if (t.test1().compareTo("throw from inner resource ctor") != 0) {
1.81 + throw new RuntimeException("FAIL-test1");
1.82 + }
1.83 + if (t.test2().compareTo("PASS test2") != 0) {
1.84 + throw new RuntimeException("FAIL-test2");
1.85 + }
1.86 + }
1.87 +}
1.88 +
1.89 +/** a simple resource the implements AutoCloseable so it can be used
1.90 + * in twr's resource specification block.
1.91 + */
1.92 +class ResCloseable implements AutoCloseable {
1.93 +
1.94 + ResCloseable testres = null;
1.95 + String msg = "default";
1.96 + boolean bOpen = false;
1.97 +
1.98 + public ResCloseable() {
1.99 + bOpen = true;
1.100 + }
1.101 +
1.102 + public ResCloseable(ResCloseable tr) {
1.103 + bOpen = true;
1.104 + msg = tr.getMsg();
1.105 + }
1.106 +
1.107 + public ResCloseable(String s) {
1.108 + bOpen = true;
1.109 + msg = s;
1.110 + }
1.111 +
1.112 + public ResCloseable(String msg, int c) {
1.113 + bOpen = true;
1.114 + if (c == 3) {
1.115 + throw new RuntimeException(msg);
1.116 + }
1.117 + }
1.118 +
1.119 + @Override
1.120 + public void close() {
1.121 + bOpen = false;
1.122 + }
1.123 +
1.124 + public boolean isOpen() {
1.125 + return bOpen;
1.126 + }
1.127 +
1.128 + public String getMsg() {
1.129 + return msg;
1.130 + }
1.131 +}
1.132 +
