/*
* Copyright ( c ) 2007 , 2013 , 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 6359397
* @ summary Test if RandomAccessFile methods will check if the stream
* has been closed .
*/
import java.io.*;
public enum OpsAfterClose {
READ { boolean check(RandomAccessFile r) {
try {
r.read();
} catch (IOException io) {
System.out.print("Excep Msg: " + io.getMessage() + ", " );
return true ;
}
return false ;
} },
READ_BUF { boolean check(RandomAccessFile r) {
try {
byte buf[] = new byte [2 ];
int len = 1 ;
r.read(buf, 0 , len);
} catch (IOException io) {
System.out.print("Excep Msg: " + io.getMessage() + ", " );
return true ;
}
return false ;
} },
GET_CHANNEL { boolean check(RandomAccessFile r) {
r.getChannel();
return true ;
} },
GET_FD { boolean check(RandomAccessFile r) {
try {
r.getFD();
return true ;
} catch (IOException io) {
System.out.print("Excep Msg: " + io.getMessage() + ", " );
return false ;
}
} },
GET_FILE_PTR { boolean check(RandomAccessFile r) {
try {
r.getFilePointer();
} catch (IOException io) {
System.out.print("Excep Msg: " + io.getMessage() + ", " );
return true ;
}
return false ;
} },
GET_LENGTH { boolean check(RandomAccessFile r) {
try {
r.length();
} catch (IOException io) {
System.out.print("Excep Msg: " + io.getMessage() + ", " );
return true ;
}
return false ;
} },
SEEK { boolean check(RandomAccessFile r) {
try {
r.seek(1 );
} catch (IOException io) {
System.out.print("Excep Msg: " + io.getMessage() + ", " );
return true ;
}
return false ;
} },
SET_LENGTH { boolean check(RandomAccessFile r) {
try {
r.setLength(1 );
} catch (IOException io) {
System.out.print("Excep Msg: " + io.getMessage() + ", " );
return true ;
}
return false ;
} },
SKIP_BYTES { boolean check(RandomAccessFile r) {
try {
r.skipBytes(1 );
} catch (IOException io) {
System.out.print("Excep Msg: " + io.getMessage() + ", " );
return true ;
}
return false ;
} },
WRITE { boolean check(RandomAccessFile r) {
try {
r.write(1 );
} catch (IOException io) {
System.out.print("Excep Msg: " + io.getMessage() + ", " );
return true ;
}
return false ;
} },
WRITE_BUF { boolean check(RandomAccessFile r) {
try {
byte buf[] = new byte [2 ];
int len = 1 ;
r.write(buf, 0 , len);
} catch (IOException io) {
System.out.print("Excep Msg: " + io.getMessage() + ", " );
return true ;
}
return false ;
} },
CLOSE { boolean check(RandomAccessFile r) {
try {
r.close();
return true ; // No Exception thrown on windows
} catch (IOException io) {
System.out.print("Excep Msg: " + io.getMessage() + ", " );
return true ; // Exception thrown on solaris and linux
}
} };
abstract boolean check(RandomAccessFile r);
public static void main(String args[]) throws Exception {
boolean failed = false ;
File f = new File(System.getProperty("test.dir" , "." ),
"raf.txt" );
f.createNewFile();
f.deleteOnExit();
RandomAccessFile raf = new RandomAccessFile(f, "rw" );
if (testRandomAccessFile(raf)) {
throw new Exception("Test failed for some of the operation{s}" +
" on RandomAccessFile, check the messages" );
}
}
private static boolean testRandomAccessFile(RandomAccessFile r)
throws Exception {
r.close();
boolean failed = false ;
boolean result;
System.out.println("Testing File:" + r);
for (OpsAfterClose op : OpsAfterClose.values()) {
result = op.check(r);
if (!result) {
failed = true ;
}
System.out.println(op + ":" + result);
}
if (failed) {
System.out.println("Test failed for the failed operation{s}" +
" above for the RandomAccessFile:" + r);
}
return failed;
}
}
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