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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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*
* 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 .
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*/
/* @test
* @ bug 7188852
* @ summary Test De / Inflater . getBytesRead / Written ( )
* @ key randomness
*/
import java.io.*;
import java.util.*;
import java.util.zip.*;
public class TotalInOut {
static final int BUF_SIZE= 1 * 1024 * 1024 ;
static void realMain (String[] args) throws Throwable {
long dataSize = 128 L * 1024 L * 1024 L; // 128MB
if (args.length > 0 && "large" .equals(args[0 ]))
dataSize = 5 L * 1024 L * 1024 L * 1024 L; // 5GB
Deflater deflater = new Deflater();
Inflater inflater = new Inflater();
byte [] dataIn = new byte [BUF_SIZE];
byte [] dataOut = new byte [BUF_SIZE];
byte [] tmp = new byte [BUF_SIZE];
Random r = new Random();
r.nextBytes(dataIn);
long bytesReadDef = 0 ;
long bytesWrittenDef = 0 ;
long bytesReadInf = 0 ;
long bytesWrittenInf = 0 ;
deflater.setInput(dataIn, 0 , dataIn.length);
while (bytesReadDef < dataSize || bytesWrittenInf < dataSize) {
int len = r.nextInt(BUF_SIZE/2 ) + BUF_SIZE / 2 ;
if (deflater.needsInput()) {
bytesReadDef += dataIn.length;
check(bytesReadDef == deflater.getBytesRead());
deflater.setInput(dataIn, 0 , dataIn.length);
}
int n = deflater.deflate(tmp, 0 , len);
bytesWrittenDef += n;
check(bytesWrittenDef == deflater.getBytesWritten());
inflater.setInput(tmp, 0 , n);
bytesReadInf += n;
while (!inflater.needsInput()) {
bytesWrittenInf += inflater.inflate(dataOut, 0 , dataOut.length);
check(bytesWrittenInf == inflater.getBytesWritten());
}
check(bytesReadInf == inflater.getBytesRead());
}
}
//--------------------- Infrastructure ---------------------------
static volatile int passed = 0 , failed = 0 ;
static void pass() {passed++;}
static void pass(String msg) {System.out.println(msg); passed++;}
static void fail() {failed++; Thread .dumpStack();}
static void fail(String msg) {System.out.println(msg); fail();}
static void unexpected(Throwable t) {failed++; t.printStackTrace();}
static void unexpected(Throwable t, String msg) {
System.out.println(msg); failed++; t.printStackTrace();}
static boolean check(boolean cond) {if (cond) pass(); else fail(); return cond;}
static void equal(Object x, Object y) {
if (x == null ? y == null : x.equals(y)) pass();
else fail(x + " not equal to " + y);}
public static void main(String[] args) throws Throwable {
try {realMain(args);} catch (Throwable t) {unexpected(t);}
System.out.println("\nPassed = " + passed + " failed = " + failed);
if (failed > 0 ) throw new AssertionError("Some tests failed" );}
}
Messung V0.5 in Prozent C=93 H=88 G=90
¤ Dauer der Verarbeitung: 0.11 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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