8079255: [TEST_BUG] [macosx] Test closed/java/awt/Robot/RobotWheelTes…

…t/RobotWheelTest fails for Mac only

Backport-of: e52bc6a831807006a20720f849e975428353cd17

jdk/test/java/awt/Robot/RobotWheelTest/RobotWheelTest.java

@@ -0,0 +1,83 @@
+/*
+ * Copyright (c) 1998, 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.
+ */
+import java.awt.Button;
+import java.awt.Frame;
+import java.awt.Rectangle;
+import java.awt.Robot;
+import jdk.testlibrary.OSInfo;
+
+/*
+ * @test 1.2 98/08/05
+ * @bug 4373478 8079255
+ * @summary Test mouse wheel functionality of Robot
+ * @author bchristi: area=Robot
+ * @library ../../../../lib/testlibrary
+ * @build jdk.testlibrary.OSInfo
+ * @run main RobotWheelTest
+ */
+public class RobotWheelTest {
+
+    private static final int NUMTESTS = 20;
+    private static volatile int wheelRotation;
+
+    public static void main(String[] args) throws Exception {
+
+        Frame frame = null;
+        try {
+            int wheelSign = OSInfo.getOSType().equals(OSInfo.OSType.MACOSX) ? -1 : 1;
+
+            frame = new Frame();
+            frame.setSize(200, 200);
+            Button button = new Button("WheelButton");
+            button.addMouseWheelListener(e -> wheelRotation = e.getWheelRotation());
+            frame.add(button);
+            frame.setVisible(true);
+
+            Robot robot = new Robot();
+            robot.setAutoDelay(100);
+            robot.waitForIdle();
+
+            Rectangle bounds = frame.getBounds();
+            int centerX = bounds.x + bounds.width / 2;
+            int centerY = bounds.y + bounds.height / 2;
+            robot.mouseMove(centerX, centerY);
+            robot.waitForIdle();
+
+            for (int i = -NUMTESTS; i <= NUMTESTS; i++) {
+                if (i == 0) {
+                    continue;
+                }
+                robot.mouseWheel(i);
+                robot.waitForIdle();
+                if (i != wheelSign * wheelRotation) {
+                    throw new RuntimeException("wheelRotation = " + wheelRotation
+                            + ", expected value = " + i);
+                }
+            }
+        } finally {
+            if (frame != null) {
+                frame.dispose();
+            }
+        }
+    }
+}