|
1 /* |
|
2 * Copyright (c) 2010, 2013, 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 8025113 |
|
27 * @author sogoel |
|
28 * @summary t-w-r completes abruptly if the initialization of resource completes abruptly |
|
29 */ |
|
30 |
|
31 import java.io.FileInputStream; |
|
32 import java.io.IOException; |
|
33 import java.io.File; |
|
34 |
|
35 /* |
|
36 * If the initialization of the resource completes abruptly because of a |
|
37 * throw of a value V ... and the automatic ->closing of the resource completes normally, |
|
38 * then the try-with-resources statement completes abruptly because of the throw of value V. |
|
39 */ |
|
40 public class TestTwr09 { |
|
41 |
|
42 /** |
|
43 * throw from ctor of nested resource |
|
44 * Check first resource is not open. |
|
45 */ |
|
46 String test1() { |
|
47 String ret = null; |
|
48 try (ResCloseable tr = new ResCloseable(new ResCloseable("throw from inner resource ctor",3))) { |
|
49 ret = "FAIL"; |
|
50 } catch (RuntimeException re) { |
|
51 ret = re.getMessage(); |
|
52 } |
|
53 return ret; |
|
54 } |
|
55 |
|
56 /** |
|
57 * throw from ctor of 2nd resource. |
|
58 * 1st resource, FileInputStream should be automatically closed. |
|
59 */ |
|
60 String test2() { |
|
61 String ret = null; |
|
62 byte[] buf = new byte[1]; |
|
63 try (java.io.ByteArrayInputStream tr = new java.io.ByteArrayInputStream(buf); |
|
64 ResCloseable str = new ResCloseable("throw from inner resource ctor",3)) { |
|
65 ret = "FAIL"; |
|
66 } catch (final IOException fe) { |
|
67 ret = "FAIL test2"; |
|
68 } catch (RuntimeException re) { |
|
69 ret = "PASS test2"; |
|
70 } |
|
71 System.out.println("Ret = " + ret); |
|
72 return ret; |
|
73 } |
|
74 |
|
75 public static void main(String... args) { |
|
76 TestTwr09 t = new TestTwr09(); |
|
77 if (t.test1().compareTo("throw from inner resource ctor") != 0) { |
|
78 throw new RuntimeException("FAIL-test1"); |
|
79 } |
|
80 if (t.test2().compareTo("PASS test2") != 0) { |
|
81 throw new RuntimeException("FAIL-test2"); |
|
82 } |
|
83 } |
|
84 } |
|
85 |
|
86 /** a simple resource the implements AutoCloseable so it can be used |
|
87 * in twr's resource specification block. |
|
88 */ |
|
89 class ResCloseable implements AutoCloseable { |
|
90 |
|
91 ResCloseable testres = null; |
|
92 String msg = "default"; |
|
93 boolean bOpen = false; |
|
94 |
|
95 public ResCloseable() { |
|
96 bOpen = true; |
|
97 } |
|
98 |
|
99 public ResCloseable(ResCloseable tr) { |
|
100 bOpen = true; |
|
101 msg = tr.getMsg(); |
|
102 } |
|
103 |
|
104 public ResCloseable(String s) { |
|
105 bOpen = true; |
|
106 msg = s; |
|
107 } |
|
108 |
|
109 public ResCloseable(String msg, int c) { |
|
110 bOpen = true; |
|
111 if (c == 3) { |
|
112 throw new RuntimeException(msg); |
|
113 } |
|
114 } |
|
115 |
|
116 @Override |
|
117 public void close() { |
|
118 bOpen = false; |
|
119 } |
|
120 |
|
121 public boolean isOpen() { |
|
122 return bOpen; |
|
123 } |
|
124 |
|
125 public String getMsg() { |
|
126 return msg; |
|
127 } |
|
128 } |
|
129 |