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/FullScreen/SetFSWindow/FSFrame.java

@@ -0,0 +1,202 @@
+/*
+ * 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.
+ */
+
+/*
+ * @test
+ * @key headful
+ * @bug 6240507 6662642
+ * @summary verify that isFullScreenSupported and getFullScreenWindow work
+ * correctly. Note that the test may fail on older Gnome versions (see bug 6500686).
+ * @run main FSFrame
+ * @run main/othervm -Dsun.java2d.noddraw=true FSFrame
+ */
+
+import java.awt.Color;
+import java.awt.EventQueue;
+import java.awt.Frame;
+import java.awt.Graphics;
+import java.awt.GraphicsConfiguration;
+import java.awt.GraphicsDevice;
+import java.awt.Insets;
+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.lang.reflect.InvocationTargetException;
+import javax.imageio.ImageIO;
+
+public class FSFrame extends Frame implements Runnable {
+
+    // Don't start the test until the window is visible
+    boolean visible = false;
+    Robot robot = null;
+    static volatile boolean done = false;
+
+    public void paint(Graphics g) {
+        if (!visible && getWidth() != 0 && getHeight() != 0) {
+            visible = true;
+            try {
+                GraphicsDevice gd = getGraphicsConfiguration().getDevice();
+                robot = new Robot(gd);
+            } catch (Exception e) {
+                System.out.println("Problem creating robot: cannot verify FS " +
+                                   "window display");
+            }
+        }
+        g.setColor(Color.green);
+        g.fillRect(0, 0, getWidth(), getHeight());
+    }
+
+    @Override
+    public void update(Graphics g) {
+        paint(g);
+    }
+
+    boolean checkColor(int x, int y, BufferedImage bImg) {
+        int pixelColor;
+        int correctColor = Color.green.getRGB();
+        pixelColor = bImg.getRGB(x, y);
+        if (pixelColor != correctColor) {
+            System.out.println("FAILURE: pixelColor " +
+                               Integer.toHexString(pixelColor) +
+                               " != correctColor " +
+                               Integer.toHexString(correctColor) +
+                               " at coordinates (" + x + ", " + y + ")");
+            return false;
+        }
+        return true;
+    }
+
+    void checkFSDisplay(boolean fsSupported) {
+        GraphicsConfiguration gc = getGraphicsConfiguration();
+        GraphicsDevice gd = gc.getDevice();
+        Rectangle r = gc.getBounds();
+        Insets in = null;
+        if (!fsSupported) {
+            in = Toolkit.getDefaultToolkit().getScreenInsets(gc);
+            r = new Rectangle(in.left, in.top,
+                              r.width -  (in.left + in.right),
+                              r.height - (in.top  + in.bottom));
+        }
+        BufferedImage bImg = robot.createScreenCapture(r);
+        // Check that all four corners and middle pixel match the window's
+        // fill color
+        if (robot == null) {
+            return;
+        }
+        boolean colorCorrect = true;
+        colorCorrect &= checkColor(0, 0, bImg);
+        colorCorrect &= checkColor(0, bImg.getHeight() - 1, bImg);
+        colorCorrect &= checkColor(bImg.getWidth() - 1, 0, bImg);
+        colorCorrect &= checkColor(bImg.getWidth() - 1, bImg.getHeight() - 1, bImg);
+        colorCorrect &= checkColor(bImg.getWidth() / 2, bImg.getHeight() / 2, bImg);
+        if (!colorCorrect) {
+            System.err.println("Test failed for mode: fsSupported="+fsSupported);
+            if (in != null) {
+                System.err.println("screen insets   : " + in);
+            }
+            System.err.println("screen shot rect: " + r);
+            String name = "FSFrame_fs_"+
+                    (fsSupported?"supported":"not_supported")+".png";
+            try {
+                ImageIO.write(bImg, "png", new File(name));
+                System.out.println("Dumped screen shot to "+name);
+            } catch (IOException ex) {}
+            throw new Error("Some pixel colors not correct; FS window may not" +
+                            " have been displayed correctly");
+        }
+    }
+
+    void checkFSFunctionality() {
+        GraphicsDevice gd = getGraphicsConfiguration().getDevice();
+        try {
+            // None of these should throw an exception
+            final boolean fs = gd.isFullScreenSupported();
+            System.out.println("FullscreenSupported: " + (fs ? "yes" : "no"));
+            gd.setFullScreenWindow(this);
+            try {
+                // Give the system time to set the FS window and display it
+                // properly
+                Thread.sleep(2000);
+            } catch (Exception e) {}
+                // See if FS window got displayed correctly
+            try {
+                EventQueue.invokeAndWait(new Runnable() {
+                    public void run() {
+                        repaint();
+                        checkFSDisplay(fs);
+                    }
+                });
+            } catch (InvocationTargetException | InterruptedException ex) {
+                ex.printStackTrace();
+            }
+            // reset window
+            gd.setFullScreenWindow(null);
+            try {
+                // Give the system time to set the FS window and display it
+                // properly
+                Thread.sleep(2000);
+            } catch (Exception e) {}
+        } catch (SecurityException e) {
+            e.printStackTrace();
+            throw new Error("Failure: should not get an exception when " +
+                            "calling isFSSupported or setFSWindow");
+        }
+    }
+
+    public void run() {
+        boolean firstTime = true;
+        while (!done) {
+            if (visible) {
+                checkFSFunctionality();
+                done = true;
+            } else {
+                // sleep while we wait
+                try {
+                    // Give the system time to set the FS window and display it
+                    // properly
+                    Thread.sleep(100);
+                } catch (Exception e) {}
+            }
+        }
+        System.out.println("PASS");
+    }
+
+    public static void main(String args[]) {
+        FSFrame frame = new FSFrame();
+        frame.setUndecorated(true);
+        Thread t = new Thread(frame);
+        frame.setSize(500, 500);
+        frame.setVisible(true);
+        t.start();
+        while (!done) {
+            try {
+                // Do not exit the main thread until the test is finished
+                Thread.sleep(1000);
+            } catch (Exception e) {}
+        }
+        frame.dispose();
+    }
+}