56 lines
2.2 KiB
Java
56 lines
2.2 KiB
Java
/*
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* Copyright (c) 2022, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/* @test
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* @bug 8283325
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* @summary Ensure that decoding to ASCII from a stream with a non-ASCII
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* character correctly decodes up until the byte in error.
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*/
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import java.nio.*;
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import java.nio.charset.*;
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import java.util.Arrays;
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public class ASCIIDecode {
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public static void main(String[] args) throws Exception {
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final Charset ascii = Charset.forName("US-ASCII");
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final CharsetDecoder decoder = ascii.newDecoder();
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byte[] ba = new byte[] { 0x60, 0x60, 0x60, (byte)0xFF };
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// Repeat enough times to test that interpreter and JIT:ed versions
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// behave the same (without the patch for 8283325 this fails within
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// 50 000 iterations on the system used for verification)
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for (int i = 0; i < 100_000; i++) {
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ByteBuffer bb = ByteBuffer.wrap(ba);
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char[] ca = new char[4];
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CharBuffer cb = CharBuffer.wrap(ca);
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CoderResult buf = decoder.decode(bb, cb, true);
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if (ca[0] != 0x60 || ca[1] != 0x60 || ca[2] != 0x60) {
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throw new RuntimeException("Unexpected output on iteration " + i);
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}
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}
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}
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}
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