8258788: incorrect response to change in window insets [lanai]

src/java.desktop/macosx/classes/sun/lwawt/LWWindowPeer.java

@@ -726,7 +726,7 @@ public void notifyReshape(int x, int y, int w, int h) {
             setPlatformMaximizedBounds(getDefaultMaximizedBounds());
         }
 
-        if (pResized || isNewDevice) {
+        if (pResized || isNewDevice || invalid) {
             replaceSurfaceData();
             updateMinimumSize();
         }

test/jdk/java/awt/Window/FullWindowContentTest/FullWindowContentRenderTest.java

@@ -0,0 +1,164 @@
+/*
+ * Copyright (c) 2021, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2021, JetBrains s.r.o.. 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
+ * @key headful
+ * @bug 8258788
+ * @summary [macosx] full window content option rendering test
+ * @author Alexey Ushakov
+ * @run main FullWindowContentRenderTest
+ * @requires (os.family == "mac")
+ */
+
+import java.awt.*;
+import java.awt.image.BufferedImage;
+import java.lang.reflect.InvocationTargetException;
+import javax.swing.*;
+
+public class FullWindowContentRenderTest
+{
+    private static final int TD = 10;
+    static FullWindowContentRenderTest theTest;
+    private Robot robot;
+    private JFrame frame;
+    private JRootPane rootPane;
+
+    private int DELAY = 1000;
+
+    public FullWindowContentRenderTest() {
+        try {
+            robot = new Robot();
+        } catch (AWTException ex) {
+            throw new RuntimeException(ex);
+        }
+    }
+
+    public void performTest() {
+
+        runSwing(() -> {
+            frame = new JFrame("Test");
+            frame.setBounds(100, 100, 100, 150);
+            rootPane = frame.getRootPane();
+            JComponent contentPane = (JComponent) frame.getContentPane();
+            JPanel comp = new JPanel() {
+                @Override
+                protected void paintComponent(Graphics g) {
+                    super.paintComponent(g);
+                    g.setColor(Color.BLUE);
+                    g.fillRect(35, 30, 30, 30);
+                    g.setColor(Color.GREEN);
+                    g.fillRect(35, 60, 30, 30);
+                }
+            };
+            contentPane.add(comp);
+            comp.setBackground(Color.RED);
+            frame.setVisible(true);
+        });
+
+        robot.delay(DELAY);
+        final int topInset = frame.getInsets().top;
+        final int px = 50, py = topInset + 40;
+
+        Color c = getTestPixel(px, py);
+        if (!validateColor(c, Color.BLUE)) {
+            throw new RuntimeException("Test failed. Incorrect color " + c +
+                                       "at (" + px + "," + py + ")");
+        }
+
+        runSwing(() -> rootPane.putClientProperty("apple.awt.fullWindowContent", true));
+
+        robot.delay(DELAY);
+
+        c = getTestPixel(50, topInset + 40);
+        if (!validateColor(c, Color.GREEN)) {
+            throw new RuntimeException("Test failed. Incorrect color " + c +
+                    " at (" + px + "," + py + ")");
+        }
+
+        runSwing(() -> rootPane.putClientProperty("apple.awt.fullWindowContent", false));
+
+        robot.delay(DELAY);
+
+        c = getTestPixel(50, topInset + 40);
+        if (!validateColor(c, Color.BLUE)) {
+            throw new RuntimeException("Test failed. Incorrect color " + c +
+                    "at (" + px + "," + py + ")");
+        }
+
+        runSwing(() -> frame.dispose());
+
+        frame = null;
+        rootPane = null;
+    }
+
+    private Color getTestPixel(int x, int y) {
+        Rectangle bounds = frame.getBounds();
+        BufferedImage screenImage = robot.createScreenCapture(bounds);
+        int rgb = screenImage.getRGB(x, y);
+        int red = (rgb >> 16) & 0xFF;
+        int green = (rgb >> 8) & 0xFF;
+        int blue = rgb & 0xFF;
+        Color c = new Color(red, green, blue);
+        return c;
+    }
+
+    private boolean validateColor(Color c, Color expected) {
+        return Math.abs(c.getRed() - expected.getRed()) <= TD &&
+            Math.abs(c.getGreen() - expected.getGreen()) <= TD &&
+            Math.abs(c.getBlue() - expected.getBlue()) <= TD;
+    }
+
+    public void dispose() {
+        if (frame != null) {
+            frame.dispose();
+            frame = null;
+        }
+    }
+
+    private static void runSwing(Runnable r) {
+        try {
+            SwingUtilities.invokeAndWait(r);
+        } catch (InterruptedException e) {
+        } catch (InvocationTargetException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    public static void main(String[] args) {
+        if (!System.getProperty("os.name").contains("OS X")) {
+            System.out.println("This test is for MacOS only. Automatically passed on other platforms.");
+            return;
+        }
+
+        try {
+            runSwing(() -> theTest = new FullWindowContentRenderTest());
+            theTest.performTest();
+        } finally {
+            if (theTest != null) {
+                runSwing(() -> theTest.dispose());
+            }
+        }
+    }
+}