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/Graphics2D/FlipDrawImage/FlipDrawImage.java

@@ -0,0 +1,106 @@
+/*
+ * 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.
+ */
+
+
+import java.awt.AlphaComposite;
+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;
+
+/**
+ * @test
+ * @key headful
+ * @bug 8000629
+ * @author Sergey Bylokhov
+ */
+public final class FlipDrawImage {
+
+    private static final int width = 400;
+    private static final int height = 400;
+
+    public static void main(final String[] args) {
+        GraphicsEnvironment ge =
+                GraphicsEnvironment.getLocalGraphicsEnvironment();
+        GraphicsConfiguration gc =
+                ge.getDefaultScreenDevice().getDefaultConfiguration();
+        VolatileImage vi = gc.createCompatibleVolatileImage(width, height);
+        final BufferedImage bi = new BufferedImage(width, height,
+                                                   BufferedImage.TYPE_INT_ARGB);
+        while (true) {
+            vi.validate(gc);
+            Graphics2D g2d = vi.createGraphics();
+            g2d.setColor(Color.red);
+            g2d.fillRect(0, 0, width, height);
+            g2d.setColor(Color.green);
+            g2d.fillRect(0, 0, width / 2, height / 2);
+            g2d.dispose();
+
+            if (vi.validate(gc) != VolatileImage.IMAGE_OK) {
+                try {
+                    Thread.sleep(100);
+                } catch (InterruptedException ignored) {
+                }
+                continue;
+            }
+
+            Graphics2D g = bi.createGraphics();
+            g.setComposite(AlphaComposite.Src);
+            g.setColor(Color.BLUE);
+            g.fillRect(0, 0, width, height);
+            // destination width and height are flipped and scale is used.
+            g.drawImage(vi, width / 2, height / 2, -width / 2, -height / 2,
+                        null, null);
+            g.dispose();
+
+            if (vi.contentsLost()) {
+                try {
+                    Thread.sleep(100);
+                } catch (InterruptedException ignored) {
+                }
+                continue;
+            }
+
+            for (int x = 0; x < width; ++x) {
+                for (int y = 0; y < height; ++y) {
+                    if (x < width / 2 && y < height / 2) {
+                        if (x >= width / 4 && y >= height / 4) {
+                            if (bi.getRGB(x, y) != Color.green.getRGB()) {
+                                throw new RuntimeException("Test failed.");
+                            }
+                        } else if (bi.getRGB(x, y) != Color.red.getRGB()) {
+                            throw new RuntimeException("Test failed.");
+                        }
+                    } else {
+                        if (bi.getRGB(x, y) != Color.BLUE.getRGB()) {
+                            throw new RuntimeException("Test failed.");
+                        }
+                    }
+                }
+            }
+            break;
+        }
+    }
+}