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/image/ConvolveOp/OpCompatibleImageTest.java

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+/*
+ * Copyright (c) 2007, 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
+ * @bug     6585922
+ * @summary Test verifies ConvolveOp creates compatible destination images
+ *          of same type and this pair {src, dst} can be handled by the
+ *          ConvolveOp filter.
+ *
+ * @run     main OpCompatibleImageTest
+ */
+
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.image.BufferedImage;
+import java.awt.image.BufferedImageOp;
+import java.awt.image.ColorModel;
+import java.awt.image.ConvolveOp;
+import java.awt.image.ImagingOpException;
+import java.awt.image.Kernel;
+
+public class OpCompatibleImageTest {
+
+    public static void main(String[] args) {
+        OpCompatibleImageTest t = new OpCompatibleImageTest();
+        t.doTest(BufferedImage.TYPE_3BYTE_BGR);
+        t.doTest(BufferedImage.TYPE_4BYTE_ABGR);
+        t.doTest(BufferedImage.TYPE_BYTE_GRAY);
+        t.doTest(BufferedImage.TYPE_INT_ARGB);
+        t.doTest(BufferedImage.TYPE_INT_BGR);
+        t.doTest(BufferedImage.TYPE_INT_RGB);
+        t.doTest(BufferedImage.TYPE_BYTE_INDEXED);
+    }
+
+    private BufferedImageOp op;
+
+    public OpCompatibleImageTest() {
+        final Kernel kernel = new Kernel(3, 3,
+                new float[] {
+            1f/9f, 1f/9f, 1f/9f,
+            1f/9f, 1f/9f, 1f/9f,
+            1f/9f, 1f/9f, 1f/9f});
+        op = new ConvolveOp(kernel);
+    }
+
+    public void doTest(int type) {
+        System.out.println("Test for type " + describeType(type));
+
+        BufferedImage src = createTestImage(type);
+
+        BufferedImage res = null;
+
+        System.out.println("Testing null destination...");
+        try {
+            res = op.filter(src, null);
+        } catch (ImagingOpException e) {
+            throw new RuntimeException("Test FAILED!", e);
+        }
+
+        if (res == null ||
+            ((src.getType() != BufferedImage.TYPE_BYTE_INDEXED) &&
+             (res.getType() != src.getType())))
+        {
+            throw new RuntimeException("Test FAILED!");
+        }
+        System.out.println("Test PASSED.");
+    }
+
+    private BufferedImage createCompatible(ColorModel cm, int w, int h) {
+        return new BufferedImage (cm,
+                                  cm.createCompatibleWritableRaster(w, h),
+                                  cm.isAlphaPremultiplied(), null);
+    }
+
+    private BufferedImage createTestImage(int type) {
+        BufferedImage img = new BufferedImage(100, 100, type);
+        Graphics g = img.createGraphics();
+        g.setColor(Color.red);
+        g.fillRect(0, 0, 100, 100);
+        g.dispose();
+
+        return img;
+    }
+
+    private static String describeType(int type) {
+        switch(type) {
+        case BufferedImage.TYPE_3BYTE_BGR:
+            return "TYPE_3BYTE_BGR";
+        case BufferedImage.TYPE_4BYTE_ABGR:
+            return "TYPE_4BYTE_ABGR";
+        case BufferedImage.TYPE_BYTE_GRAY:
+            return "TYPE_BYTE_GRAY";
+        case BufferedImage.TYPE_INT_ARGB:
+            return "TYPE_INT_ARGB";
+        case BufferedImage.TYPE_INT_BGR:
+            return  "TYPE_INT_BGR";
+        case BufferedImage.TYPE_INT_RGB:
+            return "TYPE_INT_RGB";
+        case BufferedImage.TYPE_BYTE_INDEXED:
+            return "TYPE_BYTE_INDEXED";
+        default:
+            throw new RuntimeException("Test FAILED: unknown type " + type);
+        }
+    }
+}