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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 4489146 5017980
* @ summary tests String constructors of BigInteger
* @ author Joseph D . Darcy
*/
import java.math.*;
public class StringConstructor {
public static void main(String [] argv) {
// Good strings
constructWithoutError("0" , 0 L);
constructWithoutError("000000000000000000" , 0 L);
constructWithoutError("1" , 1 L);
constructWithoutError("-1" , -1 L);
constructWithoutError("+1" , +1 L);
constructWithoutError( "123456789123456789" , 123456789123456789 L);
constructWithoutError("+123456789123456789" , 123456789123456789 L);
constructWithoutError("-123456789123456789" , -123456789123456789 L);
constructWithoutError(Integer.toString(Integer.MIN_VALUE),
(long )Integer.MIN_VALUE);
constructWithoutError(Integer.toString(Integer.MAX_VALUE),
(long )Integer.MAX_VALUE);
constructWithoutError(Long .toString(Long .MIN_VALUE),
Long .MIN_VALUE);
constructWithoutError(Long .toString(Long .MAX_VALUE),
Long .MAX_VALUE);
// Bad strings
constructWithError("" );
constructWithError("-" );
constructWithError("+" );
constructWithError("--" );
constructWithError("++" );
constructWithError("-000-0" );
constructWithError("+000+0" );
constructWithError("+000-0" );
constructWithError("--1234567890" );
constructWithError("++1234567890" );
constructWithError("-0-12345678" );
constructWithError("+0+12345678" );
constructWithError("--12345678-12345678-12345678" );
constructWithError("++12345678+12345678+12345678" );
constructWithError("12345-" );
constructWithError("12345+" );
}
// this method adapted from ../BigDecimal/StringConstructor.java
private static void constructWithError(String badString) {
try {
BigInteger bi = new BigInteger(badString);
throw new RuntimeException(badString + " accepted" );
} catch (NumberFormatException e) {
}
}
private static void constructWithoutError(String goodString, long value) {
BigInteger bi = new BigInteger(goodString);
if (bi.longValue() != value) {
System.err.printf("From ``%s'' expected %d, got %s.\n" , goodString, value, bi);
throw new RuntimeException();
}
}
}
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