93 lines
3.7 KiB
Java
93 lines
3.7 KiB
Java
/*
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* Copyright (c) 2008, 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 4508058 6378911
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@summary Check if UTF8 decoder handles BOM correctly
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*/
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import java.io.IOException;
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import java.nio.BufferOverflowException;
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import java.nio.*;
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import java.nio.charset.*;
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/* The fix for 6378911 is to backout the change we made for 4508058,
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so this regtest is modified accordingly to leave the beginning
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BOM untouched during decoding.
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*/
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public class TestUTF8BOM {
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private static ByteBuffer bf = ByteBuffer.allocateDirect(1000);
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private static void testDecode(String expected, byte[] input)
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throws Exception
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{
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String out = new String(input, "utf8");
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if (!out.equals(expected)) {
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failureReport (out, expected);
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throw new Exception("UTF_8 Decoding test failed");
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}
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//try directBuffer.
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bf.clear();
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bf.put(input).flip();
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out = Charset.forName("UTF-8")
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.decode(bf)
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.toString();
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if (!out.equals(expected)) {
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failureReport (out, expected);
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throw new Exception("UTF_8 Decoding test failed(directbuffer)");
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}
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}
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private static void failureReport(String testStr,
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String expected) {
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System.err.println ("Expected Characters:");
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for (int i = 0; i < expected.length() ; i++) {
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System.out.println("expected char[" + i + "] : " +
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Integer.toHexString((int)expected.charAt(i)) +
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" obtained char[" + i + "] : " +
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Integer.toHexString((int)testStr.charAt(i)));
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}
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}
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public static void main (String[] args) throws Exception {
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// Test 1: with BOM at beginning
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testDecode("\ufeff\u0092\u0093",
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new byte[] { (byte) 0xef, (byte) 0xbb, (byte) 0xbf,
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(byte) 0xc2, (byte) 0x92,
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(byte) 0xc2, (byte) 0x93 });
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// Test 2: with BOM at middle
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testDecode("\u9200\ufeff\u9300",
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new byte[] { (byte) 0xe9, (byte) 0x88, (byte) 0x80,
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(byte) 0xef, (byte) 0xbb, (byte) 0xbf,
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(byte) 0xe9, (byte) 0x8c, (byte) 0x80 });
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// Test 3: with BOM at end
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testDecode("\u9200\u9300\ufeff",
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new byte[] { (byte) 0xe9, (byte) 0x88, (byte) 0x80,
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(byte) 0xe9, (byte) 0x8c, (byte) 0x80,
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(byte) 0xef, (byte) 0xbb, (byte) 0xbf });
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System.err.println ("\nPASSED UTF-8 decode BOM test");
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}
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}
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