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/*
* Copyright (c) 1998, 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 4092350
@summary Verify that reads and writes of primitives are correct
*/
// The bug mentioned is actually a performance bug that prompted
// changes in the methods to write primitives
import java.io.*;
import java.io.*;
public class ReadWritePrimitives {
public static void main(String args[]) throws IOException {
long start, finish;
start = System.currentTimeMillis();
testShort();
finish = System.currentTimeMillis();
// System.err.println("Time taken="+(finish-start));
start = System.currentTimeMillis();
testChar();
finish = System.currentTimeMillis();
// System.err.println("Time taken="+(finish-start));
start = System.currentTimeMillis();
testInt();
finish = System.currentTimeMillis();
// System.err.println("Time taken="+(finish-start));
start = System.currentTimeMillis();
testLong();
finish = System.currentTimeMillis();
// System.err.println("Time taken="+(finish-start));
}
private static void testShort() throws IOException {
File fh = new File(System.getProperty("test.dir", "."),
"x.ReadWriteGenerated");
RandomAccessFile f = new RandomAccessFile(fh,"rw");
for(int i = 0; i < 10000; i++){
f.writeShort((short)i);
}
f.writeShort((short)65535);
f.close();
f = new RandomAccessFile(fh,"r");
for(int i = 0; i < 10000; i++) {
short r = f.readShort();
if (r != ((short)i)) {
System.err.println("An error occurred. Read:" + r
+ " i:" + ((short)i));
throw new IOException("Bad read from a writeShort");
}
}
short rmax = f.readShort();
if (rmax != ((short)65535)) {
System.err.println("An error occurred. Read:" + rmax);
throw new IOException("Bad read from a writeShort");
}
f.close();
}
private static void testChar() throws IOException {
File fh = new File(System.getProperty("test.dir", "."),
"x.ReadWriteGenerated");
RandomAccessFile f = new RandomAccessFile(fh,"rw");
for(int i = 0; i < 10000; i++){
f.writeChar((char)i);
}
f.close();
f = new RandomAccessFile(fh,"r");
for(int i = 0; i < 10000; i++) {
char r = f.readChar();
if (r != ((char)i)){
System.err.println("An error occurred. Read:" + r
+ " i:" + ((char) i));
throw new IOException("Bad read from a writeChar");
}
}
f.close();
}
private static void testInt() throws IOException {
File fh = new File(System.getProperty("test.dir", "."),
"x.ReadWriteGenerated");
RandomAccessFile f = new RandomAccessFile(fh,"rw");
for(int i = 0; i < 10000; i++){
f.writeInt((short)i);
}
f.writeInt(Integer.MAX_VALUE);
f.close();
f = new RandomAccessFile(fh, "r");
for(int i = 0; i < 10000; i++) {
int r = f.readInt();
if (r != i){
System.err.println("An error occurred. Read:" + r
+ " i:" + i);
throw new IOException("Bad read from a writeInt");
}
}
int rmax = f.readInt();
if (rmax != Integer.MAX_VALUE){
System.err.println("An error occurred. Read:" + rmax);
throw new IOException("Bad read from a writeInt");
}
f.close();
}
private static void testLong() throws IOException {
File fh = new File(System.getProperty("test.dir", "."),
"x.ReadWriteGenerated");
RandomAccessFile f = new RandomAccessFile(fh,"rw");
for(int i = 0; i < 10000; i++){
f.writeLong(123456789L * (long)i);
}
f.close();
f = new RandomAccessFile(fh,"r");
for(int i = 0; i < 10000; i++){
long r = f.readLong();
if (r != (((long) i) * 123456789L) ) {
System.err.println("An error occurred. Read:" + r
+ " i" + ((long) i));
throw new IOException("Bad read from a writeInt");
}
}
f.close();
}
}
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