1/* 2 * Copyright (c) 2004, 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 4654722 26 * @summary Ensure that ridiculously tiny buffers work with 27 * Channels.newReader 28 */ 29 30import java.io.*; 31import java.nio.*; 32import java.nio.channels.*; 33import java.nio.charset.*; 34 35 36public class TinyBuffers { 37 38 private static Charset cs = Charset.forName("UTF-16"); 39 40 private static void test(int sz) throws Exception { 41 ByteArrayInputStream bis = new ByteArrayInputStream(new byte[100]); 42 ReadableByteChannel ch = Channels.newChannel(bis); 43 Reader r = Channels.newReader(ch, cs.newDecoder(), sz); 44 char [] arr = new char[100]; 45 System.out.println(r.read(arr, 0, arr.length)); 46 } 47 48 public static void main(String[] args) throws Exception { 49 for (int i = -2; i < 10; i++) 50 test(i); 51 } 52 53} 54