| /* |
| * Copyright (c) 2010, 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 4821286 |
| * @summary Check correctness of CharsetEncoder.isLegalReplacement(byte[]) |
| */ |
| |
| import java.io.*; |
| import java.nio.*; |
| import java.nio.charset.*; |
| import java.util.*; |
| |
| |
| public class IsLegalReplacement { |
| |
| static PrintStream out = System.err; |
| static int errors = 0; |
| |
| static String toString(byte[] ba) { |
| StringBuffer sb = new StringBuffer(); |
| for (int i = 0; i < ba.length; i++) { |
| byte b = ba[i]; |
| if (i > 0) |
| sb.append(' '); |
| sb.append(Integer.toHexString((b >> 4) & 0xf)); |
| sb.append(Integer.toHexString((b >> 0) & 0xf)); |
| } |
| return sb.toString(); |
| } |
| |
| static CoderResult ilr(String csn, byte[] repl) { |
| CharsetDecoder dec = Charset.forName(csn).newDecoder(); |
| dec.onMalformedInput(CodingErrorAction.REPORT); |
| dec.onUnmappableCharacter(CodingErrorAction.REPORT); |
| ByteBuffer bb = ByteBuffer.wrap(repl); |
| CharBuffer cb = CharBuffer.allocate((int)(bb.remaining() |
| * dec.maxCharsPerByte())); |
| return dec.decode(bb, cb, true); |
| } |
| |
| static void test(String csn, byte[] repl, boolean expected) |
| throws Exception |
| { |
| CharsetEncoder enc = Charset.forName(csn).newEncoder(); |
| out.print(csn + ": " + toString(repl) + ": "); |
| if (enc.isLegalReplacement(repl) == expected) { |
| out.print("Okay"); |
| } else { |
| out.print("Wrong: Expected " + expected); |
| errors++; |
| } |
| out.println(" (" + ilr(csn, repl) + ")"); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| |
| test("UTF-16", new byte [] { (byte)0xd8, 0, (byte)0xdc, 0 }, true); |
| test("UTF-16", new byte [] { (byte)0xdc, 0, (byte)0xd8, 0 }, false); |
| test("UTF-16", new byte [] { (byte)0xd8, 0 }, false); |
| test("UTF-16BE", new byte [] { (byte)0xd8, 0, (byte)0xdc, 0 }, true); |
| test("UTF-16BE", new byte [] { (byte)0xdc, 0, (byte)0xd8, 0 }, false); |
| test("UTF-16BE", new byte [] { (byte)0xd8, 0 }, false); |
| test("UTF-16LE", new byte [] { 0, (byte)0xd8, 0, (byte)0xdc }, true); |
| test("UTF-16LE", new byte [] { 0, (byte)0xdc, 0, (byte)0xd8 }, false); |
| test("UTF-16LE", new byte [] { 0, (byte)0xd8 }, false); |
| |
| if (errors > 0) |
| throw new Exception(errors + " error(s) occurred"); |
| |
| } |
| |
| } |