| /* |
| * Copyright (c) 1998, 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 |
| * @bug 4054043 |
| * @summary Test bufferedinputstream when stream is interrupted |
| * |
| */ |
| |
| import java.io.*; |
| |
| /** |
| * This class tests to see if bufferinputstream updates count |
| * when the stream is interrupted and restarted |
| * It was adapted from a test class provided in the bug report |
| * |
| */ |
| |
| public class CountUpdate { |
| |
| public static void main(String[] args) throws Exception { |
| BufferBreaker breaker = new BufferBreaker(); |
| BufferedInputStream in = new BufferedInputStream(breaker, 1000); |
| |
| byte b[] = new byte[100]; |
| int total = 0; |
| |
| for (int i=0; i<5; i++) { |
| |
| if (i>0) breaker.breakIt = true; |
| try { |
| int n = in.read(b); |
| total += n; |
| //System.out.print("read "+n+" bytes: ["); |
| //System.out.write(b, 0, n); |
| //System.out.println("]"); |
| } |
| catch (IOException e) { |
| //System.out.println(e); |
| } |
| } |
| |
| if (total>7) |
| throw new RuntimeException( |
| "BufferedInputStream did not reset count."); |
| } |
| } |
| |
| class BufferBreaker extends InputStream { |
| public boolean breakIt = false; |
| |
| public int read() { |
| return 'x'; |
| } |
| |
| public static final byte[] buffer = {(byte)'a', |
| (byte)'b', |
| (byte)'c', |
| (byte)'d', |
| (byte)'e', |
| (byte)'f', |
| (byte)'g'}; |
| |
| public int read(byte b[]) throws IOException { |
| return read(b, 0, b.length); |
| } |
| |
| public int read(byte b[], int off, int len) throws IOException { |
| if (breakIt) throw new IOException("BREAK"); |
| if (len > buffer.length) len = buffer.length; |
| System.arraycopy(buffer, 0, b, off, len); |
| return len; |
| } |
| |
| public long skip(long n) { |
| return 0; |
| } |
| |
| public int available() { |
| return 0; |
| } |
| |
| } |