File: ClipboardInterVMTest.java

package info (click to toggle)
openjdk-11 11.0.4%2B11-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 757,028 kB
  • sloc: java: 5,016,041; xml: 1,191,974; cpp: 934,731; ansic: 555,697; sh: 24,299; objc: 12,703; python: 3,602; asm: 3,415; makefile: 2,772; awk: 351; sed: 172; perl: 114; jsp: 24; csh: 3
file content (172 lines) | stat: -rw-r--r-- 6,157 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
/*
 * Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
  @test
  @key headful
  @bug 8071668
  @summary Check whether clipboard see changes from external process after taking ownership
  @author Anton Nashatyrev: area=datatransfer
  @library /lib/testlibrary
  @build jdk.testlibrary.Utils
  @run main ClipboardInterVMTest
*/

import jdk.testlibrary.Utils;

import java.awt.*;
import java.awt.datatransfer.*;
import java.io.BufferedReader;
import java.io.File;
import java.io.IOException;
import java.io.Reader;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;

public class ClipboardInterVMTest {

    static CountDownLatch lostOwnershipMonitor = new CountDownLatch(1);
    static CountDownLatch flavorChangedMonitor = new CountDownLatch(1);
    static Process process;

    public static void main(String[] args) throws Throwable {
        Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();

        if (args.length > 0) {
            System.out.println("Changing clip...");
            clip.setContents(new StringSelection("pong"), null);
            System.out.println("done");
            // keeping this process running for a while since on Mac the clipboard
            // will be invalidated via NSApplicationDidBecomeActiveNotification
            // callback in the main process after this child process finishes
            Thread.sleep(60 * 1000);
            return;
        };


        clip.setContents(new CustomSelection(), new ClipboardOwner() {
            @Override
            public void lostOwnership(Clipboard clipboard, Transferable contents) {
                System.out.println("ClipboardInterVMTest.lostOwnership");
                lostOwnershipMonitor.countDown();
            }
        });

        clip.addFlavorListener(new FlavorListener() {
            @Override
            public void flavorsChanged(FlavorEvent e) {
                System.out.println("ClipboardInterVMTest.flavorsChanged");
                flavorChangedMonitor.countDown();
            }
        });

        System.out.println("Starting external clipborad modifier...");
        new Thread(() -> runTest(ClipboardInterVMTest.class.getCanonicalName(), "pong")).start();

        String content = "";
        long startTime = System.currentTimeMillis();
        while (System.currentTimeMillis() - startTime < 30 * 1000) {
            Transferable c = clip.getContents(null);
            if (c.isDataFlavorSupported(DataFlavor.plainTextFlavor)) {
                Reader reader = DataFlavor.plainTextFlavor.getReaderForText(c);
                content = new BufferedReader(reader).readLine();
                System.out.println(content);
                if (content.equals("pong")) {
                    break;
                }
            }
            Thread.sleep(200);
        }

        if (!lostOwnershipMonitor.await(10, TimeUnit.SECONDS)) {
            throw new RuntimeException("No LostOwnership event received.");
        };

        if (!flavorChangedMonitor.await(10, TimeUnit.SECONDS)) {
            throw new RuntimeException("No LostOwnership event received.");
        };

        if (!content.equals("pong")) {
            throw new RuntimeException("Content was not passed.");
        }

        process.destroy();

        System.out.println("Passed.");
    }

    private static void runTest(String main, String... args)  {

        try {
            List<String> opts = new ArrayList<>();
            opts.add(getJavaExe());
            opts.addAll(Arrays.asList(Utils.getTestJavaOpts()));
            opts.add("-cp");
            opts.add(System.getProperty("test.class.path", System.getProperty("java.class.path")));

            opts.add(main);
            opts.addAll(Arrays.asList(args));

            ProcessBuilder pb = new ProcessBuilder(opts.toArray(new String[0]));
            process = pb.start();
        } catch (Throwable throwable) {
            throw new RuntimeException(throwable);
        }
    }

    private static String getJavaExe() throws IOException {
        File p  = new File(System.getProperty("java.home"), "bin");
        File j = new File(p, "java");
        if (!j.canRead()) {
            j = new File(p, "java.exe");
        }
        if (!j.canRead()) {
            throw new RuntimeException("Can't find java executable in " + p);
        }
        return j.getCanonicalPath();
    }

    static class CustomSelection implements Transferable {
        private static final DataFlavor[] flavors = { DataFlavor.allHtmlFlavor };

        public DataFlavor[] getTransferDataFlavors() {
            return flavors;
        }

        public boolean isDataFlavorSupported(DataFlavor flavor) {
            return flavors[0].equals(flavor);
        }

        public Object getTransferData(DataFlavor flavor)
                throws UnsupportedFlavorException, java.io.IOException {
            if (isDataFlavorSupported(flavor)) {
                return "ping";
            } else {
                throw new UnsupportedFlavorException(flavor);
            }
        }
    }
}