undefect. CWE-407 — 63 sites patched across 27 ecosystems

Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.

test/jdk/java/awt/Frame/MaximizeUndecoratedTest.java

@@ -0,0 +1,129 @@
+/*
+ * Copyright (c) 2005, 2024, 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.Color;
+import java.awt.Dimension;
+import java.awt.EventQueue;
+import java.awt.Frame;
+import java.awt.GraphicsEnvironment;
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.Robot;
+import java.awt.Toolkit;
+import java.awt.image.BufferedImage;
+import java.io.File;
+import java.io.IOException;
+import java.util.stream.Stream;
+import javax.imageio.ImageIO;
+
+import jtreg.SkippedException;
+
+/*
+ * @test
+ * @key headful
+ * @bug 4862945
+ * @summary Undecorated frames miss certain mwm functions in the mwm hints.
+ * @library /test/lib
+ * @build jtreg.SkippedException
+ * @run main MaximizeUndecoratedTest
+ */
+
+public class MaximizeUndecoratedTest {
+    private static final int SIZE = 300;
+    private static final int OFFSET = 5;
+
+    private static Frame frame;
+    private static Robot robot;
+
+    private static volatile Dimension screenSize;
+    private static volatile Rectangle maxBounds;
+
+    public static void main(String[] args) throws Exception {
+        if (!Toolkit.getDefaultToolkit()
+                    .isFrameStateSupported(Frame.MAXIMIZED_BOTH)) {
+            throw new SkippedException("Test is not applicable as"
+                    + " the Window manager does not support MAXIMIZATION");
+        }
+
+        try {
+            robot = new Robot();
+
+            EventQueue.invokeAndWait(MaximizeUndecoratedTest::createUI);
+            robot.waitForIdle();
+            robot.delay(1000);
+
+            EventQueue.invokeAndWait(() -> {
+                screenSize = Toolkit.getDefaultToolkit().getScreenSize();
+                maxBounds = GraphicsEnvironment.getLocalGraphicsEnvironment()
+                                               .getMaximumWindowBounds();
+                System.out.println("Maximum Window Bounds: " + maxBounds);
+                frame.setExtendedState(Frame.MAXIMIZED_BOTH);
+            });
+            robot.waitForIdle();
+            robot.delay(500);
+
+            // Colors sampled at top-left, top-right, bottom-right & bottom-left
+            // corners of maximized frame.
+            Point[] points = new Point[] {
+                    new Point(maxBounds.x + OFFSET, maxBounds.y + OFFSET),
+                    new Point(maxBounds.width - OFFSET, maxBounds.y + OFFSET),
+                    new Point(maxBounds.width - OFFSET, maxBounds.height - OFFSET),
+                    new Point(maxBounds.x + OFFSET, maxBounds.height - OFFSET)
+            };
+
+            if (!Stream.of(points)
+                       .map(p -> robot.getPixelColor(p.x, p.y))
+                       .allMatch(c -> c.equals(Color.GREEN))) {
+                saveScreenCapture();
+                throw new RuntimeException("Test Failed !! Frame not maximized.");
+            }
+        } finally {
+            EventQueue.invokeAndWait(() -> {
+                if (frame != null) {
+                    frame.setExtendedState(Frame.NORMAL);
+                    frame.dispose();
+                }
+            });
+        }
+    }
+
+    private static void createUI() {
+        frame = new Frame("Test Maximization of Frame");
+        frame.setSize(SIZE, SIZE);
+        frame.setBackground(Color.GREEN);
+        frame.setResizable(true);
+        frame.setUndecorated(true);
+        frame.setLocationRelativeTo(null);
+        frame.setVisible(true);
+    }
+
+    private static void saveScreenCapture() {
+        BufferedImage image = robot.createScreenCapture(new Rectangle(new Point(),
+                                                                      screenSize));
+        try {
+            ImageIO.write(image, "png", new File("MaximizedFrame.png"));
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+}