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 5101128 26 @summary Check behavior of CharsetDecoder.decode when overflow occurs 27 @author Martin Buchholz 28 */ 29 30import java.util.*; 31import java.nio.*; 32import java.nio.charset.*; 33 34public class DecoderOverflow { 35 static int failures = 0; 36 37 public static void main(String[] args) throws Exception { 38 for (String csn : Charset.availableCharsets().keySet()) { 39 try { 40 test(csn); 41 } catch (Throwable t) { 42 System.out.println(csn); 43 t.printStackTrace(); 44 failures++; 45 } 46 } 47 if (failures > 0) 48 throw new Exception(failures + " charsets failed"); 49 } 50 51 static void test(String encoding) throws Exception { 52 String text = "Vote for Duke!"; 53 Charset cs = Charset.forName(encoding); 54 if (! cs.canEncode() || ! cs.newEncoder().canEncode('.')) return; 55 ByteBuffer in = ByteBuffer.wrap(text.getBytes(encoding)); 56 CharBuffer out = CharBuffer.allocate(text.length()/2); 57 CoderResult result = cs.newDecoder().decode(in, out, true); 58 if (out.hasRemaining() || ! result.isOverflow()) 59 throw new Exception 60 ("out.hasRemaining()=" + out.hasRemaining() + 61 " result.isOverflow()=" + result.isOverflow() + 62 " in.capacity()=" + in.capacity() + 63 " encoding=" + encoding); 64 } 65} 66