1 /*
2 * Copyright (c) 2001, 2014, 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. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 import java.awt.*;
27 import java.awt.datatransfer.Clipboard;
28 import java.awt.datatransfer.ClipboardOwner;
29 import java.awt.datatransfer.StringSelection;
30 import java.awt.datatransfer.Transferable;
31 import java.io.File;
32 import java.io.IOException;
33 import java.io.InputStream;
34
35 /*
36 * @test
37 * @bug 4532299 4648733
38 * @summary Tests that getting clipboard contents on the interrupted thread will
39 * not cause deadlock.Also check that lostOwnership event occurs while
40 * cross-JVM interaction
41 * @author Kanishk Jethi
42 * @run main GetContentsInterruptedTest
43 */
44
45 public class GetContentsInterruptedTest implements ClipboardOwner {
46
47 final Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
48 final Transferable transferable = new StringSelection("TEXT");
49 private final Object o = new Object();
50
51 public static void main(String args[]) throws Exception {
52 if (System.getProperty("os.name").startsWith("Mac")) {
53 System.out.println("This tests should not be run on OS X. " +
54 "See CR 7124344 for more info");
55 } else {
56 boolean subTestFlag = false;
57 for (String arg : args) {
58 if (arg.indexOf("SubTest") != -1)
59 subTestFlag = true;
60 }
61
62 if (!subTestFlag) {
63 new GetContentsInterruptedTest().performTest();
64 } else {
65 new GetContentsInterruptedTest().execute();
66 }
67 }
68 }
69
70 private void performTest() throws Exception {
71 int retCode;
72 String javaPath = System.getProperty("java.home", "");
73 String javaClasspath = System.getProperty("java.class.path", ".");
74 String command = javaPath + File.separator + "bin" +
75 File.separator + "java -classpath " + javaClasspath +
76 " GetContentsInterruptedTest SubTest";
77 System.out.println(command);
78 boolean processExit = false;
79
80 clipboard.setContents(transferable, this);
81 Process process = Runtime.getRuntime().exec(command);
82 synchronized (o) {
83 o.wait(10000);
84 }
85
86 try {
87 retCode = process.exitValue();
88 processExit = true;
89 }catch (IllegalThreadStateException e){
90 throw new RuntimeException(e);
91 }
92 System.out.println("[RESULT] : " +
93 "The sub process has cleanly exited : PASS");
94
95 System.out.println("[RESULT] : Child returned: " + retCode );
96
97 InputStream errorStream = process.getErrorStream();
98 System.out.println("========= Child process stderr ========");
99 dumpStream(errorStream);
100 System.out.println("=======================================");
101
102 InputStream processInputStream = process.getInputStream();
103 System.out.println("========= Child process output ========");
104 dumpStream(processInputStream);
105 System.out.println("=======================================");
106
107 if (!processExit) {
108 process.destroy();
109 throw new RuntimeException("[RESULT] : " +
110 "The sub process has not exited : FAIL");
111 }
112 }
113
114 /*
115 * execute is run through another instance of this class.
116 * it acquires the systemClipboard through another JVM.
117 */
118 public void execute() {
119 System.out.println("Hello world");
120 final ClipboardOwner clipboardOwner = new ClipboardOwner() {
121 public void lostOwnership(Clipboard clipboard, Transferable contents) {
122 System.exit(0);
123 }
124 };
125 clipboard.setContents(transferable, clipboardOwner);
126 synchronized (o) {
127 try {
128 o.wait();
129 } catch (InterruptedException ie) {
130 ie.printStackTrace();
131 }
132 }
133 }
134
135 public void dumpStream(InputStream in) throws IOException {
136 String tempString;
137 int count = in.available();
138 while (count > 0) {
139 byte[] b = new byte[count];
140 in.read(b);
141 tempString = new String(b);
142 if (tempString.indexOf("Exception") != -1 )
143 throw new RuntimeException("[RESULT] :" +
144 " Exception in child process : FAIL");
145 System.out.println(tempString);
146 count = in.available();
147 }
148 }
149
150 public void lostOwnership(Clipboard clip, Transferable contents) {
151 new Thread(() -> {
152 try {
153 Thread.sleep(3000);
154 } catch (InterruptedException e) {
155 throw new RuntimeException(e);
156 }
157 clipboard.getContents(null);
158 Thread.currentThread().interrupt();
159 clipboard.getContents(null);
160 clipboard.setContents(transferable, null);
161 }).start();
162 }
163 }
164