russell@unturf.com
0a580b313d
Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com Patches, unit tests, benchmarks, whitepaper, and outreach briefs. Public domain — no copyright claimed. Use freely.
76 lines
3.1 KiB
Java
76 lines
3.1 KiB
Java
/*
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* Copyright (c) 2019, 2026, 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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/*
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* @test
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* @bug 8216140
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* @summary Test reversed BOM (U+FFFE) in the middle of a byte buffer
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* passes through during decoding with UnicodeDecoder.
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* @run junit TestUnicodeReversedBOM
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*/
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import java.nio.charset.*;
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import java.nio.*;
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import java.util.*;
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import java.util.stream.Stream;
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import org.junit.jupiter.params.ParameterizedTest;
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import org.junit.jupiter.params.provider.Arguments;
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import org.junit.jupiter.params.provider.MethodSource;
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public class TestUnicodeReversedBOM {
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private static byte[] A_REVERSED_BE =
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{(byte)0x0, (byte)'A', (byte)0xff, (byte)0xfe};
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private static byte[] A_REVERSED_LE =
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{(byte)'A', (byte)0x0, (byte)0xfe, (byte)0xff};
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private static byte[] BOM_REVERSED_BE =
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{(byte)0xfe, (byte)0xff, (byte)0xff, (byte)0xfe};
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private static byte[] BOM_REVERSED_LE =
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{(byte)0xff, (byte)0xfe, (byte)0xfe, (byte)0xff};
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public static Stream<Arguments> ReversedBOM() {
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return Stream.of(
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Arguments.of(A_REVERSED_BE, StandardCharsets.UTF_16),
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Arguments.of(A_REVERSED_LE, StandardCharsets.UTF_16),
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Arguments.of(A_REVERSED_BE, StandardCharsets.UTF_16BE),
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Arguments.of(A_REVERSED_LE, StandardCharsets.UTF_16BE),
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Arguments.of(A_REVERSED_BE, StandardCharsets.UTF_16LE),
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Arguments.of(A_REVERSED_LE, StandardCharsets.UTF_16LE),
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Arguments.of(BOM_REVERSED_BE, StandardCharsets.UTF_16),
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Arguments.of(BOM_REVERSED_LE, StandardCharsets.UTF_16),
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Arguments.of(BOM_REVERSED_BE, StandardCharsets.UTF_16BE),
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Arguments.of(BOM_REVERSED_LE, StandardCharsets.UTF_16BE),
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Arguments.of(BOM_REVERSED_BE, StandardCharsets.UTF_16LE),
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Arguments.of(BOM_REVERSED_LE, StandardCharsets.UTF_16LE)
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);
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}
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@ParameterizedTest
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@MethodSource("ReversedBOM")
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public void testReversedBOM(byte[] ba, Charset cs) throws CharacterCodingException {
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cs.newDecoder()
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.onMalformedInput(CodingErrorAction.REPORT)
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.onUnmappableCharacter(CodingErrorAction.REPORT)
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.decode(ByteBuffer.wrap(ba));
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}
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}
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