test/tools/javac/TryWithResources/TestTwr09.java

Mon, 26 Oct 2015 13:23:30 -0700

author
asaha
date
Mon, 26 Oct 2015 13:23:30 -0700
changeset 2999
683b3e7e05a7
parent 0
959103a6100f
permissions
-rw-r--r--

Added tag jdk8u76-b00 for changeset 10ffafaf5340

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23
aoqi@0 24 /*
aoqi@0 25 * @test
aoqi@0 26 * @bug 8025113
aoqi@0 27 * @author sogoel
aoqi@0 28 * @summary t-w-r completes abruptly if the initialization of resource completes abruptly
aoqi@0 29 */
aoqi@0 30
aoqi@0 31 import java.io.FileInputStream;
aoqi@0 32 import java.io.IOException;
aoqi@0 33 import java.io.File;
aoqi@0 34
aoqi@0 35 /*
aoqi@0 36 * If the initialization of the resource completes abruptly because of a
aoqi@0 37 * throw of a value V ... and the automatic ->closing of the resource completes normally,
aoqi@0 38 * then the try-with-resources statement completes abruptly because of the throw of value V.
aoqi@0 39 */
aoqi@0 40 public class TestTwr09 {
aoqi@0 41
aoqi@0 42 /**
aoqi@0 43 * throw from ctor of nested resource
aoqi@0 44 * Check first resource is not open.
aoqi@0 45 */
aoqi@0 46 String test1() {
aoqi@0 47 String ret = null;
aoqi@0 48 try (ResCloseable tr = new ResCloseable(new ResCloseable("throw from inner resource ctor",3))) {
aoqi@0 49 ret = "FAIL";
aoqi@0 50 } catch (RuntimeException re) {
aoqi@0 51 ret = re.getMessage();
aoqi@0 52 }
aoqi@0 53 return ret;
aoqi@0 54 }
aoqi@0 55
aoqi@0 56 /**
aoqi@0 57 * throw from ctor of 2nd resource.
aoqi@0 58 * 1st resource, FileInputStream should be automatically closed.
aoqi@0 59 */
aoqi@0 60 String test2() {
aoqi@0 61 String ret = null;
aoqi@0 62 byte[] buf = new byte[1];
aoqi@0 63 try (java.io.ByteArrayInputStream tr = new java.io.ByteArrayInputStream(buf);
aoqi@0 64 ResCloseable str = new ResCloseable("throw from inner resource ctor",3)) {
aoqi@0 65 ret = "FAIL";
aoqi@0 66 } catch (final IOException fe) {
aoqi@0 67 ret = "FAIL test2";
aoqi@0 68 } catch (RuntimeException re) {
aoqi@0 69 ret = "PASS test2";
aoqi@0 70 }
aoqi@0 71 System.out.println("Ret = " + ret);
aoqi@0 72 return ret;
aoqi@0 73 }
aoqi@0 74
aoqi@0 75 public static void main(String... args) {
aoqi@0 76 TestTwr09 t = new TestTwr09();
aoqi@0 77 if (t.test1().compareTo("throw from inner resource ctor") != 0) {
aoqi@0 78 throw new RuntimeException("FAIL-test1");
aoqi@0 79 }
aoqi@0 80 if (t.test2().compareTo("PASS test2") != 0) {
aoqi@0 81 throw new RuntimeException("FAIL-test2");
aoqi@0 82 }
aoqi@0 83 }
aoqi@0 84 }
aoqi@0 85
aoqi@0 86 /** a simple resource the implements AutoCloseable so it can be used
aoqi@0 87 * in twr's resource specification block.
aoqi@0 88 */
aoqi@0 89 class ResCloseable implements AutoCloseable {
aoqi@0 90
aoqi@0 91 ResCloseable testres = null;
aoqi@0 92 String msg = "default";
aoqi@0 93 boolean bOpen = false;
aoqi@0 94
aoqi@0 95 public ResCloseable() {
aoqi@0 96 bOpen = true;
aoqi@0 97 }
aoqi@0 98
aoqi@0 99 public ResCloseable(ResCloseable tr) {
aoqi@0 100 bOpen = true;
aoqi@0 101 msg = tr.getMsg();
aoqi@0 102 }
aoqi@0 103
aoqi@0 104 public ResCloseable(String s) {
aoqi@0 105 bOpen = true;
aoqi@0 106 msg = s;
aoqi@0 107 }
aoqi@0 108
aoqi@0 109 public ResCloseable(String msg, int c) {
aoqi@0 110 bOpen = true;
aoqi@0 111 if (c == 3) {
aoqi@0 112 throw new RuntimeException(msg);
aoqi@0 113 }
aoqi@0 114 }
aoqi@0 115
aoqi@0 116 @Override
aoqi@0 117 public void close() {
aoqi@0 118 bOpen = false;
aoqi@0 119 }
aoqi@0 120
aoqi@0 121 public boolean isOpen() {
aoqi@0 122 return bOpen;
aoqi@0 123 }
aoqi@0 124
aoqi@0 125 public String getMsg() {
aoqi@0 126 return msg;
aoqi@0 127 }
aoqi@0 128 }
aoqi@0 129

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