8041896: Test closed/java/awt/Choice/RemoveAllShrinkTest/RemoveAllShrinkTest...

8041896: Test closed/java/awt/Choice/RemoveAllShrinkTest/RemoveAllShrinkTest fails with java.awt.IllegalComponentStateException
Reviewed-by: pchelko, serb

src/macosx/classes/com/apple/laf/AquaComboBoxPopup.java

@@ -120,6 +120,10 @@ class AquaComboBoxPopup extends BasicComboPopup {
     public void show() {
         final int startItemCount = comboBox.getItemCount();
 
+        if (startItemCount == 0) {
+            return;
+        }
+
         final Rectangle popupBounds = adjustPopupAndGetBounds();
         if (popupBounds == null) return; // null means don't show
 

src/macosx/classes/sun/lwawt/LWChoicePeer.java

@@ -171,7 +171,9 @@ final class LWChoicePeer extends LWComponentPeer<Choice, JComboBox<String>>
             SwingUtilities.invokeLater(() -> {
                 JPopupMenu popupMenu = getPopupMenu();
                 // Need to override the invoker for proper grab handling
-                if (popupMenu != null && popupMenu.getInvoker() != getTarget()) {
+                if (popupMenu != null
+                        && popupMenu.isShowing()
+                        && popupMenu.getInvoker() != getTarget()) {
                     // The popup is now visible with correct location
                     // Save it and restore after toggling visibility and changing invoker
                     Point loc = popupMenu.getLocationOnScreen();

test/java/awt/Choice/RemoveAllShrinkTest/RemoveAllShrinkTest.java

+/*
+ * Copyright (c) 2014, 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 4851798 8041896
+  @summary Tests Choice List shrinks after removeAll
+  @run main RemoveAllShrinkTest
+*/
+
+import java.awt.*;
+import java.awt.event.*;
+
+
+public class RemoveAllShrinkTest {
+
+    public static void main(String[] args) {
+        Frame f = new Frame();
+        Choice choice = new Choice();
+
+        for (int i = 0; i < 10; ++i) {
+            choice.addItem("Item " + i);
+        }
+
+        f.add(choice, BorderLayout.NORTH);
+        Panel panel = new Panel();
+        panel.setBackground(Color.RED);
+        f.add(panel);
+
+        f.setSize(200, 200);
+        f.setVisible(true);
+        f.toFront();
+
+        choice.removeAll();
+
+        try {
+            Robot robot = new Robot();
+            robot.setAutoWaitForIdle(true);
+            robot.setAutoDelay(50);
+
+            robot.waitForIdle();
+            Thread.sleep(200);
+
+            Point pt = choice.getLocationOnScreen();
+            robot.mouseMove(pt.x + choice.getWidth() - choice.getHeight() / 2,
+                    pt.y + choice.getHeight() / 2);
+            robot.mousePress(InputEvent.BUTTON1_MASK);
+            robot.mouseRelease(InputEvent.BUTTON1_MASK);
+
+            Thread.sleep(400);
+
+            Point pt1 = panel.getLocationOnScreen();
+
+            Color color = robot.getPixelColor(pt1.x + panel.getWidth() / 2,
+                    pt1.y + panel.getHeight() / 2);
+
+            if (!color.equals(Color.RED)) {
+                throw new RuntimeException("RemoveAllShrinkTest failed. " + color);
+            }
+        } catch (Exception e) {
+            throw new RuntimeException("The test was not completed.\n\n" + e);
+        }
+    }
+}
+