/* * Copyright (c) 1997, 2010, 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 4017497 @summary Check that read returns -1 on EOF, as specified */ import java.io.*; public class EOF { public static void main(String[] args) throws IOException { byte buf[] = new byte[100]; int n; String dir = System.getProperty("test.src", "."); RandomAccessFile raf = new RandomAccessFile(new File(dir, "EOF.java"), "r"); try { for (;;) { n = raf.read(buf, 0, buf.length); if (n <= 0) break; } if (n != -1) throw new RuntimeException("Expected -1 for EOF, got " + n); } finally { raf.close(); } } }