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/LookupOp/IntImageReverseTest.java

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+/*
+ * Copyright (c) 2013, 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     8004801
+ * @summary Test verifies that byte lookup table with single lookup
+ *          affects only color components in buffered images with
+ *          integer data type, and that this operation does not distort
+ *          colors in the destination image.
+ * @run     main IntImageReverseTest
+ */
+
+import java.awt.image.BufferedImage;
+import java.awt.image.ByteLookupTable;
+import java.awt.image.LookupOp;
+import java.awt.image.LookupTable;
+
+public class IntImageReverseTest {
+
+    public static void main(String[] args) {
+        LookupTable tbl = createReverseTable();
+        LookupOp op = new LookupOp(tbl, null);
+
+        for (ImageType t : ImageType.values()) {
+            System.out.print(t);
+
+            BufferedImage src = createSourceImage(t);
+
+            BufferedImage dst = op.filter(src, null);
+
+            int rgb = dst.getRGB(0, 0);
+
+            System.out.printf(" Result: 0x%X ", rgb);
+
+            if (rgb != argbReverse) {
+                throw new RuntimeException("Test failed.");
+            }
+            System.out.println("Passed.");
+        }
+    }
+
+    /**
+     * Reverse image color components, leave alpha unchanged.
+     */
+    private static LookupTable createReverseTable() {
+        byte[] data = new byte[256];
+
+        for (int i = 0; i < 256; i++) {
+            data[i] = (byte) (255 - i);
+        }
+
+
+        return new ByteLookupTable(0, data);
+    }
+
+    private static BufferedImage createSourceImage(ImageType type) {
+        BufferedImage img = new BufferedImage(1, 1, type.bi_type);
+
+        img.setRGB(0, 0, argbTest);
+
+        return img;
+    }
+    private static final int argbTest = 0xFFDDAA77;
+    private static final int argbReverse = 0xFF225588;
+
+    private static enum ImageType {
+
+        INT_ARGB(BufferedImage.TYPE_INT_ARGB),
+        INT_ARGB_PRE(BufferedImage.TYPE_INT_ARGB_PRE),
+        INT_RGB(BufferedImage.TYPE_INT_BGR),
+        INT_BGR(BufferedImage.TYPE_INT_BGR);
+
+        private ImageType(int bi_type) {
+            this.bi_type = bi_type;
+        }
+        public final int bi_type;
+    }
+}