/* * 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); } } } }