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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 ) .
*
* 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 6378295
* @ summary Roundtrip Encoding / Decoding of ASCII chars from 0 x00 - 0 x7f
*/
import java.util.*;
import java.nio.*;
import java.nio.charset.*;
public class FindASCIIRangeCodingBugs {
private static int failures = 0 ;
private static byte [] asciiBytes = new byte [0 x80];
private static char [] asciiChars = new char [0 x80];
private static String asciiString;
private static void check(String csn) throws Exception {
System.out.println(csn);
if (! Arrays.equals(asciiString.getBytes(csn), asciiBytes)) {
System.out.printf("%s -> bytes%n" , csn);
failures++;
}
if (! new String(asciiBytes, csn).equals(asciiString)) {
System.out.printf("%s -> chars%n" , csn);
failures++;
}
}
public static void main(String[] args) throws Exception {
for (int i = 0 ; i < 0 x80; i++) {
asciiBytes[i] = (byte ) i;
asciiChars[i] = (char ) i;
}
asciiString = new String(asciiChars);
Charset ascii = Charset.forName("ASCII" );
for (Map.Entry<String,Charset> e
: Charset.availableCharsets().entrySet()) {
String csn = e.getKey();
Charset cs = e.getValue();
if (!cs.contains(ascii) ||
csn.matches(".*2022.*" ) || //iso2022 family
csn.matches("x-windows-5022[0|1]" ) || //windows 2022jp
csn.matches(".*UTF-[16|32].*" )) //multi-bytes
continue ;
if (! cs.canEncode()) continue ;
try {
check(csn);
} catch (Throwable t) {
t.printStackTrace();
failures++;
}
}
if (failures > 0 )
throw new Exception(failures + "tests failed" );
}
}
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