1 /* 2 * Copyright (c) 2008, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* @test 25 @bug 4160949 26 @summary Verify that left over high surrogate does not 27 cause an UnknownCharacterException when substitutition mode is turned on. 28 */ 29 30 import java.nio.*; 31 import java.nio.charset.*; 32 33 public class LeftOverSurrogate { 34 main(String args[])35 public static void main(String args[]) throws Exception { 36 String s = "abc\uD800\uDC00qrst"; // Valid surrogate 37 char[] c = s.toCharArray(); 38 CharsetEncoder enc = Charset.forName("ISO8859_1").newEncoder() 39 .onUnmappableCharacter(CodingErrorAction.REPLACE); 40 /* Process the first 4 characters, including the high surrogate 41 which should be stored */ 42 ByteBuffer bb = ByteBuffer.allocate(10); 43 CharBuffer cb = CharBuffer.wrap(c); 44 cb.limit(4); 45 enc.encode(cb, bb, false); 46 cb.limit(7); 47 enc.encode(cb, bb, true); 48 byte[] first = bb.array(); 49 for(int i = 0; i < 7; i++) 50 System.err.printf("[%d]=%d was %d\n", 51 i, 52 (int) first[i] &0xffff, 53 (int) c[i] & 0xffff); 54 } 55 } 56