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/sun/java2d/AcceleratedXORModeTest.java

@@ -0,0 +1,147 @@
+/*
+ * Copyright (c) 2013, 2016, 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     8024343 8042098
+ * @summary Test verifies that accelerated pipelines
+ *          correctly draws primitives in XOR mode.
+ * @run main/othervm -Dsun.java2d.xrender=True AcceleratedXORModeTest
+ */
+
+import java.awt.Color;
+import java.awt.Graphics2D;
+import java.awt.GraphicsConfiguration;
+import java.awt.GraphicsEnvironment;
+import java.awt.image.BufferedImage;
+import java.awt.image.VolatileImage;
+import java.io.File;
+import java.io.IOException;
+import javax.imageio.ImageIO;
+
+public class AcceleratedXORModeTest {
+    public static void main(String argv[]) {
+        String fileName = argv.length > 0 ? argv[0] : null;
+        new AcceleratedXORModeTest(fileName).test();
+    }
+
+    static final Color backColor = Color.red;
+    static final Color color1 = Color.green;
+    static final Color color2 = Color.yellow;
+    static final Color xorColor1 = Color.blue;
+    static final Color xorColor2 = Color.white;
+
+    static final int width = 700, height = 300;
+
+    VolatileImage vImg = null;
+    String fileName;
+
+    public AcceleratedXORModeTest(String fileName) {
+        this.fileName = fileName;
+    }
+
+    void draw(Graphics2D g) {
+        g.setColor(backColor);
+        g.fillRect(0, 0, width, height);
+        g.setXORMode(xorColor1);
+        drawPattern(g, 100);
+        g.setXORMode(xorColor2);
+        drawPattern(g, 400);
+        g.dispose();
+    }
+
+    void test(BufferedImage bi) {
+        comparePattern(bi, 150, xorColor1.getRGB());
+        comparePattern(bi, 450, xorColor2.getRGB());
+    }
+
+    void comparePattern(BufferedImage bi, int startX, int xorColor) {
+        int[] expectedColors = {
+            backColor.getRGB() ^ color1.getRGB() ^ xorColor,
+            backColor.getRGB() ^ color1.getRGB() ^ xorColor ^
+                color2.getRGB() ^ xorColor,
+            backColor.getRGB() ^ color2.getRGB() ^ xorColor
+        };
+        for (int i = 0; i < 3; i++) {
+            int x = startX + 100 * i;
+            int rgb = bi.getRGB(x, 150);
+            if (rgb != expectedColors[i]) {
+                String msg = "Colors mismatch: x = " + x +
+                        ", got " + new Color(rgb) + ", expected " +
+                        new Color(expectedColors[i]);
+                System.err.println(msg);
+                write(bi);
+                throw new RuntimeException("FAILED: " + msg);
+            }
+        }
+    }
+
+    void drawPattern(Graphics2D g, int x) {
+        g.setColor(color1);
+        g.fillRect(x, 0, 200, 300);
+        g.setColor(color2);
+        g.fillRect(x+100, 0, 200, 300);
+    }
+
+    GraphicsConfiguration getDefaultGC() {
+        return GraphicsEnvironment.getLocalGraphicsEnvironment().
+                getDefaultScreenDevice().getDefaultConfiguration();
+    }
+
+    void createVImg() {
+        if (vImg != null) {
+            vImg.flush();
+            vImg = null;
+        }
+        vImg = getDefaultGC().createCompatibleVolatileImage(width, height);
+    }
+
+    void write(BufferedImage bi) {
+        if (fileName != null) {
+            try {
+                ImageIO.write(bi, "png", new File(fileName));
+            } catch (IOException e) {
+                System.err.println("Can't write image file " + fileName);
+            }
+        }
+    }
+
+    void test() {
+        createVImg();
+        BufferedImage bi = null;
+        do {
+            int valCode = vImg.validate(getDefaultGC());
+            if (valCode == VolatileImage.IMAGE_INCOMPATIBLE) {
+                createVImg();
+            }
+            Graphics2D g = vImg.createGraphics();
+            draw(g);
+            bi = vImg.getSnapshot();
+        } while (vImg.contentsLost());
+        if (bi != null) {
+            test(bi);
+            write(bi);
+        }
+    }
+}