Adding new java based test cases.

2010-11-12 12:13:56 +00:00
parent c352030c3c
commit 85d26e79a4
129 changed files with 20383 additions and 1739 deletions
@@ -0,0 +1,120 @@
+package de.rtner.misc;
+
+/**
+ * <p>
+ * Free auxiliary functions. Copyright (c) 2007 Matthias G&auml;rtner
+ * </p>
+ * <p>
+ * This library is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU Lesser General Public License as published by the Free
+ * Software Foundation; either version 2.1 of the License, or (at your option)
+ * any later version.
+ * </p>
+ * <p>
+ * This library 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 Lesser General Public License for more
+ * details.
+ * </p>
+ * <p>
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this library; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * </p>
+ * <p>
+ * For Details, see <a
+ * href="http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html">http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html</a>.
+ * </p>
+ * 
+ * @author Matthias G&auml;rtner
+ * @version 1.0
+ */
+public class BinTools
+{
+    public static final String hex = "0123456789ABCDEF";
+
+    /**
+     * Simple binary-to-hexadecimal conversion.
+     * 
+     * @param b
+     *            Input bytes. May be <code>null</code>.
+     * @return Hexadecimal representation of b. Uppercase A-F, two characters
+     *         per byte. Empty string on <code>null</code> input.
+     */
+    public static String bin2hex(final byte[] b)
+    {
+        if (b == null)
+        {
+            return "";
+        }
+        StringBuffer sb = new StringBuffer(2 * b.length);
+        for (int i = 0; i < b.length; i++)
+        {
+            int v = (256 + b[i]) % 256;
+            sb.append(hex.charAt((v / 16) & 15));
+            sb.append(hex.charAt((v % 16) & 15));
+        }
+        return sb.toString();
+    }
+
+    /**
+     * Convert hex string to array of bytes.
+     * 
+     * @param s
+     *            String containing hexadecimal digits. May be <code>null</code>.
+     *            On odd length leading zero will be assumed.
+     * @return Array on bytes, non-<code>null</code>.
+     * @throws IllegalArgumentException
+     *             when string contains non-hex character
+     */
+    public static byte[] hex2bin(final String s)
+    {
+        String m = s;
+        if (s == null)
+        {
+            // Allow empty input string.
+            m = "";
+        }
+        else if (s.length() % 2 != 0)
+        {
+            // Assume leading zero for odd string length
+            m = "0" + s;
+        }
+        byte r[] = new byte[m.length() / 2];
+        for (int i = 0, n = 0; i < m.length(); n++)
+        {
+            char h = m.charAt(i++);
+            char l = m.charAt(i++);
+            r[n] = (byte) (hex2bin(h) * 16 + hex2bin(l));
+        }
+        return r;
+    }
+
+    /**
+     * Convert hex digit to numerical value.
+     * 
+     * @param c
+     *            0-9, a-f, A-F allowd.
+     * @return 0-15
+     * @throws IllegalArgumentException
+     *             on non-hex character
+     */
+    public static int hex2bin(char c)
+    {
+        if (c >= '0' && c <= '9')
+        {
+            return (c - '0');
+        }
+        if (c >= 'A' && c <= 'F')
+        {
+            return (c - 'A' + 10);
+        }
+        if (c >= 'a' && c <= 'f')
+        {
+            return (c - 'a' + 10);
+        }
+        throw new IllegalArgumentException(
+                "Input string may only contain hex digits, but found '" + c
+                        + "'");
+    }
+}