--- /dev/null	2015-09-18 10:07:42.000000000 +0300
+++ new/test/java/awt/Frame/FrameResize/ShowChildWhileResizingTest.java	2015-09-18 10:07:41.881489900 +0300
@@ -0,0 +1,87 @@
+/*
+ * 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
+   @bug 8079595
+   @summary Resizing dialog which is JWindow parent makes JVM crash
+   @author Semyon Sadetsky
+  */
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.InputEvent;
+
+public class ShowChildWhileResizingTest {
+
+    private static Window dialog;
+    private static Timer timer;
+    private static Point point;
+
+    public static void main(String[] args) throws Exception {
+        dialog = new Frame();
+        dialog.add(new JPanel());
+        dialog.setVisible(true);
+        dialog.setBounds(100, 100, 100, 100);
+        SwingUtilities.invokeAndWait(new Runnable() {
+            @Override
+            public void run() {
+                final Window dependentWindow = new JWindow(dialog);
+                JPanel panel = new JPanel();
+                panel.add(new JButton("button"));
+                dependentWindow.add(panel);
+                dependentWindow.setVisible(true);
+                dependentWindow.setBounds(0, 0, 50, 50);
+                timer = new Timer(100, new ActionListener() {
+                    @Override
+                    public void actionPerformed(ActionEvent e) {
+                        dependentWindow
+                                .setVisible(!dependentWindow.isVisible());
+                    }
+                });
+                timer.start();
+            }
+
+        });
+
+        Robot robot = new Robot();
+        robot.setAutoDelay(5);
+        robot.delay(300);
+        SwingUtilities.invokeAndWait(new Runnable() {
+            @Override
+            public void run() {
+                point = dialog.getLocationOnScreen();
+            }
+        });
+        robot.mouseMove(point.x + 99, point.y + 99);
+        robot.mousePress(InputEvent.BUTTON1_MASK);
+        for(int i = 0; i < 100; i++) {
+            robot.mouseMove(point.x + 99 + i, point.y + 99 + i);
+        }
+        robot.mouseRelease(InputEvent.BUTTON1_MASK);
+        timer.stop();
+        dialog.dispose();
+        System.out.println("ok");
+    }
+}