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23 results

EOF.java

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  • EOF.java 1.71 KiB
    /*
     * 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();
            }
        }
    
    }