--- /dev/null	Wed May 20 19:01:51 2009
+++ new/test/sun/nio/cs/OLD/SimpleEUCDecoder.java	Wed May 20 19:01:50 2009
@@ -0,0 +1,156 @@
+/*
+ * Copyright 2003-2006 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ */
+
+/**
+ * Simple EUC-like decoder used by IBM01383 and IBM970
+ * supports G1 - no support for G2 or G3
+ */
+
+
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.Charset;
+import java.nio.charset.CharsetDecoder;
+import java.nio.charset.CoderResult;
+
+abstract class SimpleEUCDecoder
+    extends CharsetDecoder
+{
+    private final int SS2 =  0x8E;
+    private final int SS3 =  0x8F;
+
+    protected static String  mappingTableG1;
+    protected static String  byteToCharTable;
+
+    protected SimpleEUCDecoder(Charset cs) {
+        super(cs, 0.5f, 1.0f);
+    }
+
+    private CoderResult decodeArrayLoop(ByteBuffer src, CharBuffer dst) {
+        byte[] sa = src.array();
+        int sp = src.arrayOffset() + src.position();
+        int sl = src.arrayOffset() + src.limit();
+        assert (sp <= sl);
+        sp = (sp <= sl ? sp : sl);
+        char[] da = dst.array();
+        int dp = dst.arrayOffset() + dst.position();
+        int dl = dst.arrayOffset() + dst.limit();
+        assert (dp <= dl);
+        dp = (dp <= dl ? dp : dl);
+
+        try {
+            while (sp < sl) {
+                int byte1, byte2;
+                int inputSize = 1;
+                char outputChar = '\uFFFD';
+
+                byte1 = sa[sp] & 0xff;
+
+                if ( byte1 <= 0x9f ) {  // < 0x9f has its own table (G0)
+                    if (byte1 == SS2 || byte1 == SS3 ) {
+                        // No support provided for G2/G3 at this time.
+                        return CoderResult.malformedForLength(1);
+                    }
+                    outputChar = byteToCharTable.charAt(byte1);
+                } else if (byte1 < 0xa1 || byte1 > 0xfe) {  // invalid range?
+                    return CoderResult.malformedForLength(1);
+                } else {                                        // (G1)
+                    if (sl - sp < 2) {
+                        return CoderResult.UNDERFLOW;
+                    }
+                    byte2 = sa[sp + 1] & 0xff;
+                    inputSize++;
+                    if ( byte2 < 0xa1 || byte2 > 0xfe) {
+                        return CoderResult.malformedForLength(2);
+                    }
+                    outputChar = mappingTableG1.charAt(((byte1 - 0xa1) * 94) + byte2 - 0xa1);
+                }
+                if  (outputChar == '\uFFFD') {
+                    return CoderResult.unmappableForLength(inputSize);
+                }
+                if (dl - dp < 1)
+                    return CoderResult.OVERFLOW;
+                da[dp++] = outputChar;
+                sp += inputSize;
+            }
+            return CoderResult.UNDERFLOW;
+        } finally {
+            src.position(sp - src.arrayOffset());
+            dst.position(dp - dst.arrayOffset());
+        }
+    }
+
+    private CoderResult decodeBufferLoop(ByteBuffer src, CharBuffer dst) {
+        int mark = src.position();
+
+        try {
+            while (src.hasRemaining()) {
+                char outputChar = '\uFFFD';
+                int inputSize = 1;
+                int byte1, byte2;
+
+                byte1 = src.get() & 0xff;
+                if ( byte1 <= 0x9f ) {
+                    if (byte1 == SS2 || byte1 == SS3 ) {
+                        return CoderResult.malformedForLength(1);
+                    }
+                    outputChar = byteToCharTable.charAt(byte1);
+                } else if (byte1 < 0xa1 || byte1 > 0xfe) {
+                    return CoderResult.malformedForLength(1);
+                } else {
+                    if (!src.hasRemaining()) {
+                        return CoderResult.UNDERFLOW;
+                    }
+                    byte2 = src.get() & 0xff;
+                    inputSize++;
+                    if ( byte2 < 0xa1 || byte2 > 0xfe) {
+                        return CoderResult.malformedForLength(2);
+                    }
+                    outputChar = mappingTableG1.charAt(((byte1 - 0xa1) * 94) + byte2 - 0xa1);
+                }
+                if (outputChar == '\uFFFD') {
+                    return CoderResult.unmappableForLength(inputSize);
+                }
+                if (!dst.hasRemaining())
+                    return CoderResult.OVERFLOW;
+                    dst.put(outputChar);
+                mark += inputSize;
+            }
+            return CoderResult.UNDERFLOW;
+        } finally {
+            src.position(mark);
+        }
+    }
+
+    protected CoderResult decodeLoop(ByteBuffer src, CharBuffer dst) {
+        if (src.hasArray() && dst.hasArray())
+            return decodeArrayLoop(src, dst);
+        else
+            return decodeBufferLoop(src, dst);
+    }
+}