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/*
* Copyright (c) 2022, 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 8283325
* @summary Ensure that decoding to ASCII from a stream with a non-ASCII
* character correctly decodes up until the byte in error.
*/
import java.nio.*;
import java.nio.charset.*;
import java.util.Arrays;
public class ASCIIDecode {
public static void main(String[] args) throws Exception {
final Charset ascii = Charset.forName("US-ASCII");
final CharsetDecoder decoder = ascii.newDecoder();
byte[] ba = new byte[] { 0x60, 0x60, 0x60, (byte)0xFF };
// Repeat enough times to test that interpreter and JIT:ed versions
// behave the same (without the patch for 8283325 this fails within
// 50 000 iterations on the system used for verification)
for (int i = 0; i < 100_000; i++) {
ByteBuffer bb = ByteBuffer.wrap(ba);
char[] ca = new char[4];
CharBuffer cb = CharBuffer.wrap(ca);
CoderResult buf = decoder.decode(bb, cb, true);
if (ca[0] != 0x60 || ca[1] != 0x60 || ca[2] != 0x60) {
throw new RuntimeException("Unexpected output on iteration " + i);
}
}
}
}
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