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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
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*
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* 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 ) .
*
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* 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 5101128
@ summary Check behavior of CharsetDecoder . decode when overflow occurs
@ author Martin Buchholz
*/
import java.util.*;
import java.nio.*;
import java.nio.charset.*;
public class DecoderOverflow {
static int failures = 0 ;
public static void main(String[] args) throws Exception {
for (String csn : Charset.availableCharsets().keySet()) {
try {
test(csn);
} catch (Throwable t) {
System.out.println(csn);
t.printStackTrace();
failures++;
}
}
if (failures > 0 )
throw new Exception(failures + " charsets failed" );
}
static void test(String encoding) throws Exception {
String text = "Vote for Duke!" ;
Charset cs = Charset.forName(encoding);
if (! cs.canEncode() || ! cs.newEncoder().canEncode('.' )) return ;
ByteBuffer in = ByteBuffer.wrap(text.getBytes(encoding));
CharBuffer out = CharBuffer.allocate(text.length()/2 );
CoderResult result = cs.newDecoder().decode(in, out, true );
if (out.hasRemaining() || ! result.isOverflow())
throw new Exception
("out.hasRemaining()=" + out.hasRemaining() +
" result.isOverflow()=" + result.isOverflow() +
" in.capacity()=" + in.capacity() +
" encoding=" + encoding);
}
}
Messung V0.5 in Prozent C=88 H=92 G=89
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-10)
¤
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