/*
* Copyright ( c ) 1997 , 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
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* questions .
*/
/* @test
@ summary Test interaction of buffer sizes in buffered char and byte streams
*/
import java.io.*;
public class BufferSizes {
static int min = 90 ;
static int max = 110 ;
static int chunk = 100 ;
static int count = 1000 ;
static void runBytes() throws IOException {
for (int sz = min; sz <= max; sz++) {
System.err.println(sz);
InputStream in
= new BufferedInputStream(new ABCInputStream(count, chunk), sz);
OutputStream out
= new BufferedOutputStream(new ABCOutputStream(count), sz);
int n;
byte [] buf = new byte [sz];
while ((n = in.read(buf, 0 , sz)) != -1 )
out.write(buf, 0 , n);
in.close();
out.close();
}
}
static void runChars() throws IOException {
for (int sz = min; sz <= max; sz++) {
System.err.println(sz);
Reader in
= new BufferedReader(new InputStreamReader(new ABCInputStream(count, chunk)), sz);
Writer out
= new BufferedWriter(new OutputStreamWriter(new ABCOutputStream(count)), sz);
int n;
char [] cbuf = new char [sz];
while ((n = in.read(cbuf, 0 , sz)) != -1 )
out.write(cbuf, 0 , n);
in.close();
out.close();
}
}
public static void main(String[] args) throws IOException {
runBytes();
runChars();
}
}
Messung V0.5 in Prozent C=98 H=69 G=84
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-09-29)
¤
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