/* * Copyright (c) 2002, 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 4773447 * @summary Test Channels.newInputStream.read() method */ import java.nio.ByteBuffer; import java.nio.channels.ReadableByteChannel; import java.nio.channels.Channels; import java.io.InputStream; import java.io.IOException; public class ReadByte { public static void main(String[] args) throws IOException { ReadableByteChannel channel = new ReadableByteChannel() { public int read(ByteBuffer dst) { dst.put((byte) 129); return 1; } public boolean isOpen() { return true; } public void close() { } }; InputStream in = Channels.newInputStream(channel); int data = in.read(); if (data < 0) throw new RuntimeException( "InputStream.read() spec'd to return 0-255"); } }