8281296: Create a regression test for JDK-4515999

Backport-of: f5d8cebbb6f1b38247c3b30ba8859874a0e98115

test/jdk/javax/swing/JSpinner/4515999/JSpinnerMouseAndKeyPressTest.java

@@ -0,0 +1,201 @@
+/*
+ * Copyright (c) 2022, 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.ComponentOrientation;
+import java.awt.Point;
+import java.awt.Robot;
+import java.awt.event.InputEvent;
+import java.awt.event.KeyEvent;
+import java.util.Arrays;
+import java.util.Calendar;
+import java.util.Date;
+import java.util.List;
+import java.util.stream.Collectors;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.JSpinner;
+import javax.swing.SpinnerDateModel;
+import javax.swing.SwingUtilities;
+import javax.swing.UIManager;
+
+
+import static javax.swing.UIManager.getInstalledLookAndFeels;
+
+/*
+ * @test
+ * @key headful
+ * @bug 4515999
+ * @summary Check whether incrementing dates via the keyboard (up/down) gives
+ * the same results as using mouse press on the arrow buttons in a JSpinner.
+ * @run main JSpinnerMouseAndKeyPressTest
+ */
+public class JSpinnerMouseAndKeyPressTest {
+    // 2 days in milliseconds
+    private static final int EXPECTED_VALUE_2_DAYS = 2 * 24 * 60 * 60 * 1000;
+
+    private static JFrame frame;
+    private static JSpinner spinner;
+    private static volatile Point spinnerUpButtonCenter;
+    private static volatile Point spinnerDownButtonCenter;
+    private static volatile Date spinnerValue;
+
+    public static void main(String[] s) throws Exception {
+        runTest();
+    }
+
+    private static void setLookAndFeel(final String laf) {
+        try {
+            UIManager.setLookAndFeel(laf);
+            System.out.println("LookAndFeel: " + laf);
+        } catch (Exception e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    private static void createUI() {
+        frame = new JFrame();
+        JPanel panel = new JPanel();
+        spinner = new JSpinner();
+        spinner.setModel(new DateModel());
+        JSpinner.DateEditor editor = new JSpinner.DateEditor(spinner, "dd/MM/yy");
+        spinner.setEditor(editor);
+        spinner.setComponentOrientation(ComponentOrientation.LEFT_TO_RIGHT);
+        panel.add(spinner);
+        frame.add(panel);
+        frame.setUndecorated(true);
+        frame.pack();
+        frame.setAlwaysOnTop(true);
+        frame.setLocationRelativeTo(null);
+        frame.setVisible(true);
+    }
+
+
+    public static void runTest() throws Exception {
+        Robot robot = new Robot();
+        robot.setAutoWaitForIdle(true);
+        robot.setAutoDelay(100);
+        List<String> lafs = Arrays.stream(getInstalledLookAndFeels())
+                                  .map(UIManager.LookAndFeelInfo::getClassName)
+                                  .collect(Collectors.toList());
+        for (final String laf : lafs) {
+            try {
+                SwingUtilities.invokeAndWait(() -> {
+                    setLookAndFeel(laf);
+                    createUI();
+                });
+
+                SwingUtilities.invokeAndWait(() -> {
+                    Point loc = spinner.getLocationOnScreen();
+                    int editorWidth = spinner.getEditor().getWidth();
+                    int buttonWidth = spinner.getWidth() - editorWidth;
+                    int quarterHeight = spinner.getHeight() / 4;
+
+                    spinnerUpButtonCenter = new Point(loc.x + editorWidth
+                            + (buttonWidth / 2),
+                            loc.y + quarterHeight);
+                    spinnerDownButtonCenter = new Point(spinnerUpButtonCenter.x,
+                            loc.y + (3 * quarterHeight));
+                });
+
+                // Mouse press use-case
+                // Move Mouse pointer to UP button center and click it
+                robot.mouseMove(spinnerUpButtonCenter.x, spinnerUpButtonCenter.y);
+                robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+                robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+
+                updateSpinnerValue();
+                long upValue = spinnerValue.getTime();
+
+                // Move Mouse pointer to DOWN button center and click it
+                robot.mouseMove(spinnerDownButtonCenter.x, spinnerDownButtonCenter.y);
+                robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+                robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+
+                updateSpinnerValue();
+                long downValue = spinnerValue.getTime();
+
+                long mouseIncrement = upValue - downValue;
+
+                // Key press use-case
+                // Up Key press
+                robot.keyPress(KeyEvent.VK_UP);
+                robot.keyRelease(KeyEvent.VK_UP);
+
+                updateSpinnerValue();
+                upValue = spinnerValue.getTime();
+
+                // Down Key press
+                robot.keyPress(KeyEvent.VK_DOWN);
+                robot.keyRelease(KeyEvent.VK_DOWN);
+
+                updateSpinnerValue();
+                downValue = spinnerValue.getTime();
+
+                long keyIncrement = upValue - downValue;
+
+                if ((keyIncrement == EXPECTED_VALUE_2_DAYS) &&
+                        (mouseIncrement == EXPECTED_VALUE_2_DAYS)) {
+                    System.out.println("Test passed");
+                } else {
+                    throw new RuntimeException("Test failed because keyIncrement: " +
+                            keyIncrement + " and mouseIncrement: " +
+                            mouseIncrement + " should match with the expected value " +
+                            EXPECTED_VALUE_2_DAYS + " for LnF " + laf);
+                }
+
+            } finally {
+                SwingUtilities.invokeAndWait(JSpinnerMouseAndKeyPressTest::disposeFrame);
+            }
+        }
+    }
+
+    private static void updateSpinnerValue() throws Exception {
+        SwingUtilities.invokeAndWait(() -> spinnerValue = (Date) spinner.getValue());
+    }
+
+    private static void disposeFrame() {
+        if (frame != null) {
+            frame.dispose();
+            frame = null;
+        }
+    }
+
+    private static class DateModel extends SpinnerDateModel {
+
+        private final Calendar cal = Calendar.getInstance();
+
+        @Override
+        public Object getNextValue() {
+            cal.setTime(getDate());
+            cal.add(Calendar.DAY_OF_MONTH, 2); // Increment two days
+            return cal.getTime();
+        }
+
+        @Override
+        public Object getPreviousValue() {
+            cal.setTime(getDate());
+            cal.add(Calendar.DAY_OF_MONTH, -2); // Decrement two days
+            return cal.getTime();
+        }
+    }
+}