1 /*
2 * Copyright (c) 2001, 2016, 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 * @key headful
38 * @bug 4532299 4648733
39 * @summary Tests that getting clipboard contents on the interrupted thread will
40 * not cause deadlock.Also check that lostOwnership event occurs while
41 * cross-JVM interaction
42 * @author Kanishk Jethi
43 * @run main GetContentsInterruptedTest
44 */
45
46 public class GetContentsInterruptedTest implements ClipboardOwner {
47
48 final Clipboard clipboard = Toolkit.getDefaultToolkit().getSystemClipboard();
49 final Transferable transferable = new StringSelection("TEXT");
50 private final Object o = new Object();
51
52 public static void main(String args[]) throws Exception {
53 if (System.getProperty("os.name").startsWith("Mac")) {
54 System.out.println("This tests should not be run on OS X. " +
55 "See CR 7124344 for more info");
56 } else {
57 boolean subTestFlag = false;
58 for (String arg : args) {
59 if (arg.indexOf("SubTest") != -1)
60 subTestFlag = true;
61 }
62
63 if (!subTestFlag) {
64 new GetContentsInterruptedTest().performTest();
65 } else {
66 new GetContentsInterruptedTest().execute();
67 }
68 }
69 }
70
71 private void performTest() throws Exception {
72 int retCode;
73 String javaPath = System.getProperty("java.home", "");
74 String javaClasspath = System.getProperty("java.class.path", ".");
75 String command = javaPath + File.separator + "bin" +
76 File.separator + "java -classpath " + javaClasspath +
77 " GetContentsInterruptedTest SubTest";
78 System.out.println(command);
79 boolean processExit = false;
80
81 clipboard.setContents(transferable, this);
82 Process process = Runtime.getRuntime().exec(command);
83 synchronized (o) {
84 o.wait(10000);
85 }
86
87 try {
88 retCode = process.exitValue();
89 processExit = true;
90 }catch (IllegalThreadStateException e){
91 throw new RuntimeException(e);
92 }
93 System.out.println("[RESULT] : " +
94 "The sub process has cleanly exited : PASS");
95
96 System.out.println("[RESULT] : Child returned: " + retCode );
97
98 InputStream errorStream = process.getErrorStream();
99 System.out.println("========= Child process stderr ========");
100 dumpStream(errorStream);
101 System.out.println("=======================================");
102
103 InputStream processInputStream = process.getInputStream();
104 System.out.println("========= Child process output ========");
105 dumpStream(processInputStream);
106 System.out.println("=======================================");
107
108 if (!processExit) {
109 process.destroy();
110 throw new RuntimeException("[RESULT] : " +
111 "The sub process has not exited : FAIL");
112 }
113 }
114
115 /*
116 * execute is run through another instance of this class.
117 * it acquires the systemClipboard through another JVM.
118 */
119 public void execute() {
120 System.out.println("Hello world");
121 final ClipboardOwner clipboardOwner = new ClipboardOwner() {
122 public void lostOwnership(Clipboard clipboard, Transferable contents) {
123 System.exit(0);
124 }
125 };
126 clipboard.setContents(transferable, clipboardOwner);
127 synchronized (o) {
128 try {
129 o.wait();
130 } catch (InterruptedException ie) {
131 ie.printStackTrace();
132 }
133 }
134 }
135
136 public void dumpStream(InputStream in) throws IOException {
137 String tempString;
138 int count = in.available();
139 while (count > 0) {
140 byte[] b = new byte[count];
141 in.read(b);
142 tempString = new String(b);
143 if (tempString.indexOf("Exception") != -1 )
144 throw new RuntimeException("[RESULT] :" +
145 " Exception in child process : FAIL");
146 System.out.println(tempString);
147 count = in.available();
148 }
149 }
150
151 public void lostOwnership(Clipboard clip, Transferable contents) {
152 new Thread(() -> {
153 try {
154 Thread.sleep(3000);
155 } catch (InterruptedException e) {
156 throw new RuntimeException(e);
157 }
158 clipboard.getContents(null);
159 Thread.currentThread().interrupt();
160 clipboard.getContents(null);
161 clipboard.setContents(transferable, null);
162 }).start();
163 }
164 }
165