270 lines
8.0 KiB
Java
270 lines
8.0 KiB
Java
/*************************************************************************
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/* RandomAccessFileTest.java -- Tests RandomAccessFile's
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/*
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/* Copyright (c) 1998 Free Software Foundation, Inc.
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/* Written by Aaron M. Renn (arenn@urbanophile.com)
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/*
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/* This program is free software; you can redistribute it and/or modify
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/* it under the terms of the GNU General Public License as published
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/* by the Free Software Foundation, either version 2 of the License, or
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/* (at your option) any later version.
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/*
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/* This program is distributed in the hope that it will be useful, but
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/* WITHOUT ANY WARRANTY; without even the implied warranty of
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/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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/* GNU General Public License for more details.
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/*
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/* You should have received a copy of the GNU General Public License
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/* along with this program; if not, write to the Free Software Foundation
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/* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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/*************************************************************************/
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import java.io.*;
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// Write some data using DataOutput and read it using DataInput.
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public class RandomAccessFileTest
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{
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public static void
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runReadTest(String filename, int seq, String testname)
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{
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try
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{
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System.out.println("Test " + seq + ": " + testname);
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RandomAccessFile ras = new RandomAccessFile(filename, "r");
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boolean passed = true;
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boolean b = ras.readBoolean();
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if (b != true)
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{
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passed = false;
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System.out.println("Failed to read boolean. Expected true and got false");
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}
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b = ras.readBoolean();
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if (b != false)
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{
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passed = false;
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System.out.println("Failed to read boolean. Expected false and got true");
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}
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byte bt = ras.readByte();
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if (bt != 8)
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{
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passed = false;
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System.out.println("Failed to read byte. Expected 8 and got "+ bt);
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}
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bt = ras.readByte();
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if (bt != -122)
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{
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passed = false;
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System.out.println("Failed to read byte. Expected -122 and got "+ bt);
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}
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char c = ras.readChar();
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if (c != 'a')
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{
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passed = false;
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System.out.println("Failed to read char. Expected a and got " + c);
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}
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c = ras.readChar();
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if (c != '\uE2D2')
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{
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passed = false;
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System.out.println("Failed to read char. Expected \\uE2D2 and got " + c);
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}
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short s = ras.readShort();
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if (s != 32000)
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{
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passed = false;
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System.out.println("Failed to read short. Expected 32000 and got " + s);
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}
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int i = ras.readInt();
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if (i != 8675309)
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{
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passed = false;
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System.out.println("Failed to read int. Expected 8675309 and got " + i);
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}
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long l = ras.readLong();
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if (l != 696969696969L)
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{
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passed = false;
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System.out.println("Failed to read long. Expected 696969696969 and got " + l);
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}
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float f = ras.readFloat();
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if (!Float.toString(f).equals("3.1415"))
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{
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passed = false;
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System.out.println("Failed to read float. Expected 3.1415 and got " + f);
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}
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double d = ras.readDouble();
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if (d != 999999999.999)
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{
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passed = false;
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System.out.println("Failed to read double. Expected 999999999.999 and got " + d);
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}
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String str = ras.readUTF();
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if (!str.equals("Testing code is such a boring activity but it must be done"))
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{
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passed = false;
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System.out.println("Read unexpected String: " + str);
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}
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str = ras.readUTF();
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if (!str.equals("a-->\u01FF\uA000\u6666\u0200RRR"))
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{
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passed = false;
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System.out.println("Read unexpected String: " + str);
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}
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if (passed)
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System.out.println("PASSED: " + testname + " read test");
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else
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System.out.println("FAILED: " + testname + " read test");
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}
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catch (IOException e)
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{
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System.out.println("FAILED: " + testname + " read test: " + e);
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}
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}
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public static void
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main(String[] argv)
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{
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System.out.println("Started test of RandomAccessFile");
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System.out.println("Test 1: RandomAccessFile write test");
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try
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{
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RandomAccessFile raf = new RandomAccessFile("dataoutput.out", "rw");
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raf.writeBoolean(true);
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raf.writeBoolean(false);
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raf.writeByte((byte)8);
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raf.writeByte((byte)-122);
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raf.writeChar((char)'a');
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raf.writeChar((char)'\uE2D2');
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raf.writeShort((short)32000);
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raf.writeInt((int)8675309);
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raf.writeLong((long) 696969696969L);
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raf.writeFloat((float)3.1415);
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raf.writeDouble((double)999999999.999);
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raf.writeUTF("Testing code is such a boring activity but it must be done");
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raf.writeUTF("a-->\u01FF\uA000\u6666\u0200RRR");
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raf.close();
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// We'll find out if this was really right later, but conditionally
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// report success for now
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System.out.println("PASSED: RandomAccessFile write test");
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}
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catch(IOException e)
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{
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System.out.println("FAILED: RandomAccessFile write test: " + e);
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}
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runReadTest("dataoutput.out", 2, "Read of JCL written data file");
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runReadTest("dataoutput-jdk.out", 3, "Read of JDK written data file");
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System.out.println("Test 2: Seek Test");
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try
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{
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RandomAccessFile raf = new RandomAccessFile("/etc/services", "r");
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System.out.println("Length: " + raf.length());
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raf.skipBytes(24);
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if (raf.getFilePointer() != 24)
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throw new IOException("Unexpected file pointer value " +
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raf.getFilePointer());
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raf.seek(0);
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if (raf.getFilePointer() != 0)
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throw new IOException("Unexpected file pointer value " +
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raf.getFilePointer());
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raf.seek(100);
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if (raf.getFilePointer() != 100)
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throw new IOException("Unexpected file pointer value " +
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raf.getFilePointer());
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System.out.println("PASSED: Seek Test");
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}
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catch(IOException e)
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{
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System.out.println("FAILED: Seek Test: " + e);
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}
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System.out.println("Test 3: Validation Test");
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boolean failed = false;
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try
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{
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new RandomAccessFile("/vmlinuz", "rwx");
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System.out.println("Did not detect invalid mode");
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failed = true;
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}
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catch (IllegalArgumentException e) { ; }
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catch (IOException e) { ; }
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try
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{
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new RandomAccessFile("/vmlinuz", "rw");
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System.out.println("Did not detect read only file opened for write");
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failed = true;
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}
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catch (IOException e) { ; }
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try
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{
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new RandomAccessFile("/sherlockholmes", "r");
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System.out.println("Did not detect non-existent file");
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failed = true;
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}
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catch (IOException e) { ; }
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try
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{
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RandomAccessFile raf = new RandomAccessFile("/etc/services", "r");
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raf.seek(raf.length());
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raf.write('\n');
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System.out.println("Did not detect invalid write operation on read only file");
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failed = true;
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}
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catch (IOException e) { ; }
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if (failed)
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System.out.println("FAILED: Validation Test");
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else
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System.out.println("PASSED: Validation Test");
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/*
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System.out.println("Test 4: Set File Length Rest");
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try
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{
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File f = new File("tmptmptmp");
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RandomAccessFile raf = new RandomAccessFile("tmptmptmp", "rw");
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raf.setLength(50L);
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if (raf.length() != 50)
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throw new IOException("Bad length on extending file of " + raf.length());
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raf.setLength(25L);
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if (raf.length() != 25)
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throw new IOException("Bad length on extending file of " + raf.length());
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raf.close();
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f.delete();
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System.out.println("PASSED: Set File Length Test");
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}
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catch(IOException e)
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{
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System.out.println("FAILED: Set File Length Test: " + e);
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(new File("tmptmptmp")).delete();
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}
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*/
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System.out.println("Finished test of RandomAccessFile");
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} // main
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} // class DataInputOutputTest
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