8306683: Open source several clipboard and color AWT tests

Reviewed-by: prr

test/jdk/java/awt/Clipboard/DelayedQueryTest.java

@@ -0,0 +1,252 @@
+/*
+ * Copyright (c) 2000, 2023, 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
+  @bug 4085183 8000630
+  @summary tests that clipboard contents is retrieved even if the app didn't
+           receive native events for a long time.
+  @requires (os.family != "mac")
+  @key headful
+  @run main DelayedQueryTest
+*/
+
+import java.awt.AWTException;
+import java.awt.Button;
+import java.awt.EventQueue;
+import java.awt.Frame;
+import java.awt.Panel;
+import java.awt.Point;
+import java.awt.Robot;
+import java.awt.Toolkit;
+import java.awt.datatransfer.Clipboard;
+import java.awt.datatransfer.ClipboardOwner;
+import java.awt.datatransfer.DataFlavor;
+import java.awt.datatransfer.StringSelection;
+import java.awt.datatransfer.Transferable;
+import java.awt.event.InputEvent;
+import java.io.File;
+import java.io.InputStream;
+import java.lang.reflect.InvocationTargetException;
+
+public class DelayedQueryTest implements ClipboardOwner, Runnable {
+    int returnCode = Child.CHILD_RETURN_CODE_NOT_READY;
+
+    Process childProcess = null;
+    Frame frame;
+
+    public static void main(String[] args)
+            throws InterruptedException, InvocationTargetException {
+        String osName = System.getProperty("os.name");
+        if (osName.toLowerCase().contains("os x")) {
+            System.out.println("This test is not for MacOS, considered passed.");
+            return;
+        }
+        DelayedQueryTest delayedQueryTest = new DelayedQueryTest();
+        EventQueue.invokeAndWait(delayedQueryTest::initAndShowGui);
+        try {
+            delayedQueryTest.start();
+        } finally {
+            EventQueue.invokeAndWait(() -> delayedQueryTest.frame.dispose());
+        }
+    }
+
+    public void initAndShowGui(){
+        frame = new Frame("DelayedQueryTest");
+        frame.add(new Panel());
+        frame.setBounds(200,200, 200, 200);
+        frame.setVisible(true);
+    }
+
+    public void start() {
+        try {
+            Robot robot = new Robot();
+            // Some mouse activity to update the Xt time stamp at
+            // the parent process.
+            robot.delay(1000);
+            robot.waitForIdle();
+
+            Point p = frame.getLocationOnScreen();
+            robot.mouseMove(p.x + 100, p.y + 100);
+            robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+            robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+        } catch (AWTException e) {
+            e.printStackTrace();
+            throw new RuntimeException("The test failed.");
+        }
+        Child.sysClipboard.setContents(Child.transferable, this);
+
+        String javaPath = System.getProperty("java.home", "");
+        String[] command = {
+                javaPath + File.separator + "bin" + File.separator + "java",
+                "-cp", System.getProperty("test.classes", "."),
+                "Child"
+        };
+
+        try {
+            Process process = Runtime.getRuntime().exec(command);
+            childProcess = process;
+            returnCode = process.waitFor();
+            childProcess = null;
+
+            InputStream errorStream = process.getErrorStream();
+            int count = errorStream.available();
+            if (count > 0) {
+                byte[] b = new byte[count];
+                errorStream.read(b);
+                System.err.println("========= Child VM System.err ========");
+                System.err.print(new String(b));
+                System.err.println("======================================");
+            }
+        } catch (Throwable e) {
+            e.printStackTrace();
+            throw new RuntimeException("The test failed.");
+        }
+        if (returnCode != Child.CHILD_RETURN_CODE_OK) {
+            System.err.println("Child VM: returned " + returnCode);
+            throw new RuntimeException("The test failed.");
+        }
+    } // start()
+
+    public void lostOwnership(Clipboard clipboard,
+                              Transferable contents) {
+        // At this moment the child process has definitely started.
+        // So we can try to retrieve the clipboard contents set
+        // by the child process.
+        new Thread(this).start();
+    }
+
+    public void run() {
+        // We are going to check if it is possible to retrieve the data
+        // after the child process has set the clipboard contents twice,
+        // since after the first setting the retrieval is always successful.
+        // So we wait to let the child process set the clipboard contents
+        // twice.
+        try {
+            Thread.sleep(Child.CHILD_SELECTION_CHANGE_TIMEOUT);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+
+        try {
+            String s = (String)Child.sysClipboard
+                    .getContents(null)
+                    .getTransferData(DataFlavor.stringFlavor);
+            if (!"String".equals(s)) {
+                System.err.println("Data retrieved: " + s);
+                throw new RuntimeException("Retrieved data is incorrect.");
+            }
+        } catch (Exception e) {
+            e.printStackTrace();
+            if (childProcess != null) {
+                childProcess.destroy();
+                childProcess = null;
+            }
+            throw new RuntimeException("Failed to retrieve the data.");
+        }
+        Child.sysClipboard.setContents(Child.transferable, null);
+    }
+}
+
+class Child {
+    static final Clipboard sysClipboard =
+            Toolkit.getDefaultToolkit().getSystemClipboard();
+    static final Transferable transferable = new StringSelection("String");
+
+    /*
+     * Timeouts.
+     */
+    static final int FRAME_ACTIVATION_TIMEOUT = 1000;
+    static final int PARENT_TIME_STAMP_TIMEOUT = 1000;
+    static final int CHILD_SELECTION_CHANGE_TIMEOUT =
+            FRAME_ACTIVATION_TIMEOUT + PARENT_TIME_STAMP_TIMEOUT + 5000;
+    static final int PARENT_RETRIEVE_DATA_TIMEOUT = 10000;
+
+    /*
+     * Child process return codes.
+     */
+    static final int CHILD_RETURN_CODE_NOT_READY            = -1;
+    static final int CHILD_RETURN_CODE_OK                   = 0;
+    static final int CHILD_RETURN_CODE_UNEXPECTED_EXCEPTION = 1;
+    static final int CHILD_RETURN_CODE_OTHER_FAILURE        = 2;
+    static Button button;
+
+    static void initAndShowGui() {
+        final Frame frame = new Frame();
+        button = new Button("button");
+        frame.add(button);
+        frame.pack();
+        frame.setLocation(100, 100);
+        frame.setVisible(true);
+    }
+
+    public static void main(String[] args) {
+        sysClipboard.setContents(
+                new StringSelection("First String"), null);
+
+        // Some mouse activity to update the Xt time stamp at
+        // the child process.
+        try {
+            EventQueue.invokeAndWait(Child::initAndShowGui);
+            try {
+                Thread.sleep(FRAME_ACTIVATION_TIMEOUT);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+                System.exit(CHILD_RETURN_CODE_UNEXPECTED_EXCEPTION);
+            }
+
+            Robot robot = new Robot();
+            robot.waitForIdle();
+
+            Point p = button.getLocationOnScreen();
+            robot.mouseMove(p.x + 10, p.y + 10);
+            // Wait to let the Xt time stamp become out-of-date.
+            try {
+                Thread.sleep(PARENT_TIME_STAMP_TIMEOUT);
+            } catch (InterruptedException e) {
+                e.printStackTrace();
+                System.exit(CHILD_RETURN_CODE_UNEXPECTED_EXCEPTION);
+            }
+            robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+            robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+        } catch (Exception e) {
+            e.printStackTrace();
+            System.exit(CHILD_RETURN_CODE_UNEXPECTED_EXCEPTION);
+        }
+
+        sysClipboard.setContents(transferable, new ClipboardOwner() {
+            public void lostOwnership(Clipboard clipboard,
+                                      Transferable contents) {
+                System.exit(CHILD_RETURN_CODE_OK);
+            }
+        });
+        // Wait to let the parent process retrieve the data.
+        try {
+            Thread.sleep(PARENT_RETRIEVE_DATA_TIMEOUT);
+        } catch (InterruptedException e) {
+            e.printStackTrace();
+        }
+        // Parent failed to set clipboard contents, so we signal test failure
+        System.exit(CHILD_RETURN_CODE_OTHER_FAILURE);
+    }
+}

test/jdk/java/awt/Clipboard/NullContentsTest.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2000, 2023, 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
+  @bug 4378007 4250859
+  @summary Verifies that setting the contents of the system Clipboard to null
+           throws a NullPointerException
+  @key headful
+  @run main NullContentsTest
+*/
+
+import java.awt.Toolkit;
+import java.awt.datatransfer.Clipboard;
+import java.awt.datatransfer.StringSelection;
+
+public class NullContentsTest {
+
+    public static void main(String[] args) {
+        // Clipboard.setContents(null, foo) should throw an NPE, but
+        // Clipboard.setContents(bar, foo), where bar.getTransferData(baz)
+        // returns null, should not.
+        Clipboard clip = Toolkit.getDefaultToolkit().getSystemClipboard();
+        try {
+            clip.setContents(null, null);
+        } catch (NullPointerException e) {
+            StringSelection ss = new StringSelection(null);
+            try {
+                clip.setContents(ss, null);
+            } catch (NullPointerException ee) {
+                throw new RuntimeException("test failed: null transfer data");
+            }
+            System.err.println("test passed");
+            return;
+        }
+        throw new RuntimeException("test failed: null Transferable");
+    }
+}