| /* |
| * Copyright (c) 2010, 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 |
| * @summary Check that array-crossing surrogate pairs are handled properly |
| */ |
| |
| import java.io.*; |
| import java.nio.*; |
| import java.nio.charset.*; |
| |
| |
| public class Surrogates { |
| |
| static PrintStream log = System.err; |
| |
| static char[] input; |
| static byte[] output; |
| |
| static final int LEN = 128; |
| |
| static void initData() throws IOException { |
| StringBuffer sb = new StringBuffer(); |
| for (int i = 0; i < LEN; i++) { |
| int c = Character.MIN_SUPPLEMENTARY_CODE_POINT + 1; |
| sb.append(Character.toChars(c)); |
| } |
| input = sb.toString().toCharArray(); |
| ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| OutputStreamWriter osw |
| = new OutputStreamWriter(bos, Charset.forName("UTF-8")); |
| osw.write(input); |
| osw.close(); |
| output = bos.toByteArray(); |
| } |
| |
| static void testLeftovers(boolean doMalformed) |
| throws Exception |
| { |
| log.print("Leftover surrogates, doMalformed = " + doMalformed); |
| ByteArrayOutputStream bos = new ByteArrayOutputStream(); |
| OutputStreamWriter osw |
| = new OutputStreamWriter(bos, Charset.forName("UTF-8")); |
| for (int i = 0; i < input.length; i += 7) |
| osw.write(input, i, Math.min(input.length - i, 7)); |
| if (doMalformed) |
| osw.write(input, 0, 1); |
| osw.close(); |
| byte[] result = bos.toByteArray(); |
| |
| // Ignore a trailing '?' if we wrote a malformed final surrogate |
| int rl = result.length + (doMalformed ? -1 : 0); |
| |
| if (rl != output.length) |
| throw new Exception("Incorrect result length " |
| + rl + ", expected " + output.length); |
| for (int i = 0; i < output.length; i++) |
| if (result[i] != output[i]) |
| throw new Exception("Unexpected result value at index " + i); |
| log.println(": Passed"); |
| } |
| |
| public static void main(String[] args) throws Exception { |
| initData(); |
| testLeftovers(false); |
| testLeftovers(true); |
| } |
| |
| } |