/*
* Copyright ( c ) 2001 , 2017 , 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 4430395
* @ summary Checks if write ( int ) properly pads unwritten bits with zeros
*/
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.IOException;
import java.io.OutputStream;
import javax.imageio.stream.FileCacheImageOutputStream;
public class BitPadding {
public static void main(String[] args) throws IOException {
OutputStream ostream = new ByteArrayOutputStream();
File f = null ;
FileCacheImageOutputStream fcios =
new FileCacheImageOutputStream(ostream, f);
fcios.writeBit(1 );
fcios.write(96 );
fcios.seek(0 );
int r1 = fcios.read();
if (r1 != 128 ) {
throw new RuntimeException("Failed, first byte is " + r1);
}
int r2 = fcios.read();
if (r2 != 96 ) {
throw new RuntimeException("Failed, second byte is " + r2);
}
}
}
Messung V0.5 in Prozent C=92 H=96 G=93
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