| /* |
| * Copyright (c) 2008, 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 6196991 |
| * @summary Roundtrip Encoding/Decoding of just one ASCII char |
| * @author Martin Buchholz |
| */ |
| |
| import java.util.*; |
| import java.nio.*; |
| import java.nio.charset.*; |
| |
| public class FindASCIICodingBugs { |
| private static int failures = 0; |
| |
| private static void check(boolean condition) { |
| if (! condition) { |
| new Error("test failed").printStackTrace(); |
| failures++; |
| } |
| } |
| |
| private static boolean equals(byte[] ba, ByteBuffer bb) { |
| if (ba.length != bb.limit()) |
| return false; |
| for (int i = 0; i < ba.length; i++) |
| if (ba[i] != bb.get(i)) |
| return false; |
| return true; |
| } |
| |
| public static void main(String[] args) throws Exception { |
| for (Map.Entry<String,Charset> e |
| : Charset.availableCharsets().entrySet()) { |
| String csn = e.getKey(); |
| Charset cs = e.getValue(); |
| |
| // Delete the following lines when these charsets are fixed! |
| if (csn.equals("x-JIS0208")) continue; // MalformedInput |
| if (csn.equals("JIS_X0212-1990")) continue; // MalformedInput |
| |
| if (! cs.canEncode()) continue; |
| |
| CharsetEncoder enc = cs.newEncoder(); |
| CharsetDecoder dec = cs.newDecoder(); |
| |
| if (! enc.canEncode('A')) continue; |
| |
| System.out.println(csn); |
| |
| try { |
| byte[] bytes1 = "A".getBytes(csn); |
| ByteBuffer bb = enc.encode(CharBuffer.wrap(new char[]{'A'})); |
| |
| check(equals(bytes1, bb)); |
| check(new String(bytes1, csn).equals("A")); |
| |
| CharBuffer cb = dec.decode(bb); |
| check(cb.toString().equals("A")); |
| } catch (Throwable t) { |
| t.printStackTrace(); |
| failures++; |
| } |
| } |
| |
| if (failures > 0) |
| throw new Exception(failures + "tests failed"); |
| } |
| } |