jdk/test/java/io/RandomAccessFile/ReadLine.java
author alanb
Sat, 19 Jun 2010 15:17:36 +0100
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parent 5506 202f599c92aa
child 7668 d4a77089c587
permissions -rw-r--r--
6962419: TEST_BUG: java_io tests fails in samevm mode Reviewed-by: ohair, sherman
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/*
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 * Copyright (c) 1997, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 */
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/* @test
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   @bug 1238814
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   @summary check for correct implementation of RandomAccessFile.readLine
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   */
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import java.io.*;
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public class ReadLine {
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    public static void main(String args[]) throws Exception {
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        File fn = new File("x.ReadLine");
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        RandomAccessFile raf = new RandomAccessFile(fn,"rw");
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        try {
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            String line;
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            int ctr = 1;
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            String expected;
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            raf.writeBytes
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                ("ln1\rln2\r\nln3\nln4\rln5\r\nln6\n\rln8\r\rln10\n\nln12\r\r\nln14");
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            raf.seek(0);
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            while ((line=raf.readLine()) != null) {
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                if ((ctr == 7) || (ctr == 9) ||
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                    (ctr == 11) || (ctr == 13)) {
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                     expected = "";
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                } else {
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                    expected = "ln" + ctr;
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                }
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                if (!line.equals(expected)) {
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                    throw new Exception("Expected \"" + expected + "\"" +
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                                        ", read \"" + line + "\"");
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                }
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                ctr++;
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            }
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        } finally {
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            raf.close();
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        }
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        System.err.println("Successfully completed test!");
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    }
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}