1/*
2 * Copyright (c) 2002, 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 4773447
26 * @summary Test Channels.newInputStream.read() method
27 */
28
29import java.nio.ByteBuffer;
30import java.nio.channels.ReadableByteChannel;
31import java.nio.channels.Channels;
32import java.io.InputStream;
33import java.io.IOException;
34
35public class ReadByte {
36    public static void main(String[] args) throws IOException {
37        ReadableByteChannel channel = new ReadableByteChannel() {
38            public int read(ByteBuffer dst) {
39                dst.put((byte) 129);
40                return 1;
41            }
42
43            public boolean isOpen() {
44                return true;
45            }
46
47            public void close() {
48            }
49        };
50
51        InputStream in = Channels.newInputStream(channel);
52        int data = in.read();
53        if (data < 0)
54            throw new RuntimeException(
55                "InputStream.read() spec'd to return 0-255");
56    }
57}
58