Fri, 24 Apr 2020 03:58:51 +0100
Merge
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 |