test/jdk/java/awt/datatransfer/ClipboardInterVMTest/ClipboardInterVMTest.java
changeset 47216 71c04702a3d5
parent 39056 d99e63b6d962
child 51754 594919232b8f
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/java/awt/datatransfer/ClipboardInterVMTest/ClipboardInterVMTest.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,172 @@
+/*
+ * 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);
+            }
+        }
+    }
+}