7124391: [TEST_BUG][macosx] MouseEvents are not dispatched when the mouse...

7124391: [TEST_BUG][macosx] MouseEvents are not dispatched when the mouse cursor leaves the component
Reviewed-by: anthony, serb

test/java/awt/event/MouseEvent/EnterAsGrabbedEvent/EnterAsGrabbedEvent.java

+/*
+ * Copyright (c) 2013, 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 6317481 8012325
+  @summary REG:Pressing the mouse, dragging and releasing it outside the button triggers ActionEvent, XAWT
+  @author Dmitry.Cherepanov@SUN.COM area=awt.event
+  @run main EnterAsGrabbedEvent
+*/
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.*;
+
+public class EnterAsGrabbedEvent
+{
+    //Declare things used in the test, like buttons and labels here
+    private static Frame frame;
+    private static Button button;
+    private static volatile boolean enterTriggered = false;
+    private static volatile boolean actionTriggered = false;
+
+    private static void init()
+    {
+        frame = new Frame();
+        frame.setLayout(new FlowLayout());
+        button = new Button("button");
+        button.addActionListener(actionEvent -> {
+            actionTriggered = true;
+        });
+        frame.add(button);
+        frame.setBounds(100, 100, 200, 200);
+        frame.setVisible(true);
+        frame.validate();
+      }
+
+    public static void main(String[] args) throws Exception {
+        try {
+            Robot r = new Robot();
+            r.setAutoDelay(200);
+            r.setAutoWaitForIdle(true);
+            SwingUtilities.invokeAndWait(EnterAsGrabbedEvent::init);
+            r.waitForIdle();
+
+            Point loc = button.getLocationOnScreen();
+            r.mouseMove(loc.x+button.getWidth()/2, loc.y+button.getHeight()/2);
+            r.mousePress(InputEvent.BUTTON1_MASK);
+
+            // in this case (drag mouse outside the button):
+            // NotifyEnter (->MouseEnter) should be dispatched to the top-level
+            // event if the grabbed window is the component (button)
+            frame.addMouseListener(
+                    new MouseAdapter() {
+                        public void mouseEntered(MouseEvent me) {
+                            System.out.println(me);
+                            enterTriggered = true;
+                        }
+
+                        // Just for tracing
+                        public void mouseExited(MouseEvent me) {
+                            System.out.println(me);
+                        }
+                    });
+
+            // Just for tracing
+            button.addMouseListener(
+                    new MouseAdapter(){
+                        public void mouseEntered(MouseEvent me){
+                            System.out.println(me);
+                        }
+                        public void mouseExited(MouseEvent me){
+                            System.out.println(me);
+                        }
+                    });
+
+            r.mouseMove(loc.x+button.getWidth() + 1, loc.y+button.getHeight()/2);
+
+            r.mouseRelease(InputEvent.BUTTON1_MASK);
+
+            if (!enterTriggered) {
+                throw new RuntimeException("Test failed. MouseEntered was not triggered");
+            }
+
+            if (actionTriggered) {
+                throw new RuntimeException("Test failed. ActionEvent triggered");
+            }
+        } finally {
+            if (frame != null) {
+                frame.dispose();
+            }
+        }
+    }
+}