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/*
* 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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