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/*
* 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");
}
}
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