/*
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* 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 .
*
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*/
/*
* @ test
* @ bug 4242173 5017980 6576055
* @ summary Test Byte . decode method
* @ author madbot
* @ author Joseph D . Darcy
*/
/**
* There are six methods in java . lang . Byte which transform strings
* into a byte or Byte value :
*
* public Byte ( String s )
* public static Byte decode ( String nm )
* public static byte parseByte ( String s , int radix )
* public static byte parseByte ( String s )
* public static Byte valueOf ( String s , int radix )
* public static Byte valueOf ( String s )
*
* However , of these only decode has a nontrivial implementation
* in that class .
*/
public class Decode {
private static void check(String val, byte expected) {
byte n = (Byte .decode(val)).byteValue();
if (n != expected)
throw new RuntimeException("Byte.decode failed. String:" +
val + " Result:" + n);
}
private static void checkFailure(String val, String message) {
try {
byte n = (Byte .decode(val)).byteValue();
throw new RuntimeException(message);
} catch (NumberFormatException e) { /* Okay */}
}
public static void main(String[] args) throws Exception {
check(new String("" +Byte .MIN_VALUE), Byte .MIN_VALUE);
check(new String("" +Byte .MAX_VALUE), Byte .MAX_VALUE);
check("10" , (byte )10 );
check("0x10" , (byte )16 );
check("0X10" , (byte )16 );
check("010" , (byte )8 );
check("#10" , (byte )16 );
check("+10" , (byte )10 );
check("+0x10" , (byte )16 );
check("+0X10" , (byte )16 );
check("+010" , (byte )8 );
check("+#10" , (byte )16 );
check("-10" , (byte )-10 );
check("-0x10" , (byte )-16 );
check("-0X10" , (byte )-16 );
check("-010" , (byte )-8 );
check("-#10" , (byte )-16 );
check(Integer.toString((int )Byte .MIN_VALUE), Byte .MIN_VALUE);
check(Integer.toString((int )Byte .MAX_VALUE), Byte .MAX_VALUE);
checkFailure("0x-10" , "Byte.decode allows negative sign in wrong position." );
checkFailure("0x+10" , "Byte.decode allows positive sign in wrong position." );
checkFailure("+" , "Raw plus sign allowed." );
checkFailure("-" , "Raw minus sign allowed." );
checkFailure(Integer.toString((int )Byte .MIN_VALUE - 1 ), "Out of range" );
checkFailure(Integer.toString((int )Byte .MAX_VALUE + 1 ), "Out of range" );
checkFailure("" , "Empty String" );
}
}
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