JBR-1718 add a regression test

(cherry picked from commit 84ff4eab21)

test/jdk/jb/java/awt/Desktop/AboutHandlerTest.java

@@ -0,0 +1,92 @@
+/*
+ * Copyright 2000-2021 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import javax.swing.JFrame;
+import javax.swing.SwingUtilities;
+import java.awt.AWTException;
+import java.awt.Desktop;
+import java.awt.Robot;
+import java.awt.event.InputEvent;
+import java.awt.event.KeyEvent;
+
+/**
+ * @test
+ * @key headful
+ * @requires (os.family == "mac")
+ * @summary Regression test for JBR-1718.
+ *          When opening the apps About dialog, "AboutHandler hits" should be written to the console and
+ *          NO dialog should appear.
+ * @run main/othervm AboutHandlerTest
+ */
+
+public class AboutHandlerTest {
+    private static final int WAIT_TIME = 1000;
+
+    private static Robot robot;
+
+    private static JFrame myApp = new JFrame("MyApp");
+    private static boolean testPassed = false;
+
+    public static void main(String[] args) throws InterruptedException, AWTException {
+
+        robot = new Robot();
+        robot.setAutoDelay(50);
+
+        Desktop.getDesktop().setAboutHandler(e -> {
+            System.out.println("AboutHandler hits");
+            testPassed = true;
+        });
+
+        SwingUtilities.invokeLater(() -> {
+            doTest();
+        });
+
+        // waiting for AboutHandler
+        sleep(WAIT_TIME);
+
+        myApp.dispose();
+
+        if (!testPassed)
+            throw new RuntimeException("AboutHandler was not hit");
+    }
+
+    private static void doTest() {
+        myApp.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        myApp.setBounds(10, 10, 100, 100);
+        myApp.setVisible(true);
+
+        // move at Apple's menu
+        robot.mouseMove(0, 0);
+        robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+        robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+
+        // move at AboutHandlerTest menu
+        robot.keyPress(KeyEvent.VK_RIGHT);
+        robot.keyRelease(KeyEvent.VK_RIGHT);
+
+        // move at the "About AboutHandlerTest" menu item
+        robot.keyPress(KeyEvent.VK_DOWN);
+        robot.keyRelease(KeyEvent.VK_DOWN);
+
+        // hit the "About AboutHandlerTest" menu item
+        robot.keyPress(KeyEvent.VK_ENTER);
+        robot.keyRelease(KeyEvent.VK_ENTER);
+    }
+
+    private static void sleep(int millis) throws InterruptedException {
+        Thread.sleep(millis);
+    }
+}