8283624: Create an automated regression test for RFE-4390885

Backport-of: 99388eff8da2cb3dc0bb34f05e8784795edb790e

Author: GoeLin

test/jdk/javax/swing/JFileChooser/JFileChooserSetLocationTest.java

@@ -0,0 +1,281 @@
+/*
+ * Copyright (c) 2015, 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.Component;
+import java.awt.Dimension;
+import java.awt.HeadlessException;
+import java.awt.Point;
+import java.awt.Robot;
+import java.awt.event.ActionListener;
+import java.awt.event.InputEvent;
+import java.awt.event.KeyEvent;
+import java.util.Arrays;
+import java.util.List;
+import java.util.concurrent.atomic.AtomicBoolean;
+import java.util.concurrent.atomic.AtomicReference;
+import java.util.stream.Collectors;
+import javax.swing.JButton;
+import javax.swing.JDialog;
+import javax.swing.JFileChooser;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.SwingUtilities;
+import javax.swing.UIManager;
+import javax.swing.UIManager.LookAndFeelInfo;
+import javax.swing.UnsupportedLookAndFeelException;
+
+import static javax.swing.UIManager.getInstalledLookAndFeels;
+
+/*
+ * @test
+ * @key headful
+ * @bug 4390885
+ * @summary This test checks CCC #4390885, which verifies that it should be
+ *          possible to set the location of the JFileChooser.
+ * @run main JFileChooserSetLocationTest
+ */
+public class JFileChooserSetLocationTest {
+
+    public static final String SHOW_DIALOG_OUTSIDE_THE_PANEL =
+            "ShowFileChooser OUTSIDE the Panel";
+    public static final String SHOW_DIALOG_OVER_THE_PANEL =
+            "ShowFileChooser OVER the Panel";
+    public static final String SHOW_SAVE_DIALOG_OVER_THE_PANEL =
+            "ShowSaveDialog";
+    private static final int TOLERANCE_LEVEL = 6;
+    private static final int xOut = 75;
+    private static final int yOut = 75;
+    private static Robot robot;
+    private static JPanel panel;
+    private static MyFileChooser fileChooser;
+    private static int xIn;
+    private static int yIn;
+    private static JButton btn;
+    private static JButton btn1;
+    private static JButton btn2;
+    private static JFrame frame;
+
+    public static void main(String[] s) throws Exception {
+        robot = new Robot();
+        robot.setAutoWaitForIdle(true);
+        robot.setAutoDelay(200);
+
+        List<String> lafs = Arrays.stream(getInstalledLookAndFeels())
+                                  .map(LookAndFeelInfo::getClassName)
+                                  .collect(Collectors.toList());
+        for (final String laf : lafs) {
+            try {
+                AtomicBoolean lafSetSuccess = new AtomicBoolean(false);
+                SwingUtilities.invokeAndWait(() -> {
+                    lafSetSuccess.set(setLookAndFeel(laf));
+                    if (lafSetSuccess.get()) {
+                        createUI();
+                    }
+                });
+                if (!lafSetSuccess.get()) {
+                    continue;
+                }
+                robot.waitForIdle();
+
+                AtomicReference<Point> pt = new AtomicReference<>();
+                AtomicReference<Dimension> dim = new AtomicReference<>();
+                SwingUtilities.invokeAndWait(() -> {
+                    pt.set(panel.getLocationOnScreen());
+                    dim.set(panel.getSize());
+                });
+                Point panelLoc = pt.get();
+                Dimension panelDim = dim.get();
+                xIn = (panelLoc.x + panelDim.width) / 2;
+                yIn = (panelLoc.y + panelDim.height) / 2;
+
+                Point dest = getCenterPointOf(btn);
+
+                robot.mouseMove(dest.x, dest.y);
+                robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+                robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+
+                robot.waitForIdle();
+
+                Point actualPos = getActualLocation(fileChooser);
+
+                // Case 1 :  Verifying that the location of JFileChooser
+                // 'Show Dialog' is correctly set outside the frame at (25,25)
+                verify(xOut, actualPos.x, yOut, actualPos.y);
+
+                hitKeys(KeyEvent.VK_ESCAPE);
+
+                dest = getCenterPointOf(btn1);
+                robot.mouseMove(dest.x, dest.y);
+                robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+                robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+
+                actualPos = getActualLocation(fileChooser);
+
+                // Case 2 :  Verifying that the location of JFileChooser
+                // 'Show Dialog' is correctly set inside the test frame
+                verify(xIn, actualPos.x, yIn, actualPos.y);
+
+                hitKeys(KeyEvent.VK_ESCAPE);
+
+                dest = getCenterPointOf(btn2);
+                robot.mouseMove(dest.x, dest.y);
+                robot.mousePress(InputEvent.BUTTON1_DOWN_MASK);
+                robot.mouseRelease(InputEvent.BUTTON1_DOWN_MASK);
+
+                actualPos = getActualLocation(fileChooser);
+
+                //  Case 3 :  Verifying that the location of JFileChooser
+                //  'Save Dialog' is correctly set inside the test frame
+                verify(xIn, actualPos.x, yIn, actualPos.y);
+
+                hitKeys(KeyEvent.VK_ESCAPE);
+
+                System.out.println("Test Passed, All cases passed for " + laf);
+            } finally {
+                SwingUtilities.invokeAndWait(
+                        JFileChooserSetLocationTest::disposeFrame);
+            }
+        }
+    }
+
+    private static Point getCenterPointOf(final Component comp)
+            throws Exception {
+
+        AtomicReference<Point> pt = new AtomicReference<>();
+        SwingUtilities.invokeAndWait(() -> pt.set(comp.getLocationOnScreen()));
+        Point loc = pt.get();
+        loc.translate(comp.getWidth() / 2, comp.getHeight() / 2);
+        return loc;
+    }
+
+    private static Point getActualLocation(final MyFileChooser fcoo)
+            throws Exception {
+        AtomicReference<Point> pt = new AtomicReference<>();
+        SwingUtilities.invokeAndWait(() -> pt.set(fcoo.getDialogLocation()));
+        return pt.get();
+    }
+
+    public static void verify(int x1, int x2, int y1, int y2) {
+        System.out.println("verify " + x1 + "==" + x2 + "; " + y1 + "==" + y2);
+        if ((Math.abs(x1 - x2) < TOLERANCE_LEVEL) &&
+            (Math.abs(y1 - y2) < TOLERANCE_LEVEL)) {
+            System.out.println("Test passed");
+        } else {
+            throw new RuntimeException(
+                    "Test Failed, setLocation() is not working properly");
+        }
+    }
+
+    private static void hitKeys(int... keys) {
+        for (int key : keys) {
+            robot.keyPress(key);
+        }
+
+        for (int i = keys.length - 1; i >= 0; i--) {
+            robot.keyRelease(keys[i]);
+        }
+    }
+
+    public static void createUI() {
+        frame = new JFrame();
+        panel = new JPanel();
+        btn = new JButton(SHOW_DIALOG_OUTSIDE_THE_PANEL);
+        btn1 = new JButton(SHOW_DIALOG_OVER_THE_PANEL);
+        btn2 = new JButton(SHOW_SAVE_DIALOG_OVER_THE_PANEL);
+        ActionListener actionListener = actionEvent -> {
+            String btnAction = actionEvent.getActionCommand();
+            if (btnAction.equals(SHOW_DIALOG_OUTSIDE_THE_PANEL)) {
+                fileChooser = new MyFileChooser(xOut, yOut);
+                fileChooser.showOpenDialog(panel);
+            } else if (btnAction.equals(SHOW_DIALOG_OVER_THE_PANEL)) {
+                fileChooser = new MyFileChooser(xIn, yIn);
+                fileChooser.showOpenDialog(panel);
+            } else if (btnAction.equals(SHOW_SAVE_DIALOG_OVER_THE_PANEL)) {
+                fileChooser = new MyFileChooser(xIn, yIn);
+                fileChooser.showSaveDialog(panel);
+            }
+        };
+        btn.addActionListener(actionListener);
+        btn1.addActionListener(actionListener);
+        btn2.addActionListener(actionListener);
+        panel.add(btn);
+        panel.add(btn1);
+        panel.add(btn2);
+
+        frame.add(panel);
+        frame.setLocationRelativeTo(null);
+        frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+        frame.pack();
+        frame.setVisible(true);
+    }
+
+    private static boolean setLookAndFeel(String lafName) {
+        try {
+            System.out.println("Testing " + lafName);
+            UIManager.setLookAndFeel(lafName);
+        } catch (UnsupportedLookAndFeelException ignored) {
+            System.out.println("Ignoring Unsupported laf : " + lafName);
+            return false;
+        } catch (ClassNotFoundException | InstantiationException
+                | IllegalAccessException e) {
+            throw new RuntimeException(e);
+        }
+        return true;
+    }
+
+    private static void disposeFrame() {
+        if (frame != null) {
+            frame.dispose();
+            frame = null;
+        }
+    }
+
+    private static class MyFileChooser extends JFileChooser {
+        JDialog dialog;
+        int x, y;
+
+        public MyFileChooser(int x, int y) {
+            super();
+            this.x = x;
+            this.y = y;
+        }
+
+        protected JDialog createDialog(Component parent)
+                throws HeadlessException {
+
+            dialog = super.createDialog(parent);
+
+            System.out.println(
+                    "createDialog and set location to (" + x + ", " + y + ")");
+            dialog.setLocation(x, y);
+
+            return dialog;
+        }
+
+        public Point getDialogLocation() {
+            return dialog.getLocation();
+        }
+
+    }
+
+}