ObjFW  Check-in [58a082efe4]

			if (INTMAX_MAX / 10 < num ||
			    INTMAX_MAX - num * 10 < string[i] - '0')
				@throw [OFOutOfRangeException
				    newWithClass: isa];

			num = (num * 10) + (string[i] - '0');
		} else
			@throw [OFInvalidEncodingException newWithClass: isa];
			@throw [OFInvalidFormatException newWithClass: isa];
	}

	if (string[0] == '-')
		num *= -1;

	return num;
}

	if (length >= 2 && string[0] == '0' && string[1] == 'x')
		i = 2;
	else if (length >= 1 && (string[0] == 'x' || string[0] == '$'))
		i = 1;

	if (i == length)
		@throw [OFInvalidEncodingException newWithClass: isa];
		@throw [OFInvalidFormatException newWithClass: isa];

	for (; i < length; i++) {
		uintmax_t newnum;

		if (suffix)
			@throw [OFInvalidEncodingException newWithClass: isa];
			@throw [OFInvalidFormatException newWithClass: isa];

		if (string[i] >= '0' && string[i] <= '9')
			newnum = (num << 4) | (string[i] - '0');
		else if (string[i] >= 'A' && string[i] <= 'F')
			newnum = (num << 4) | (string[i] - 'A' + 10);
		else if (string[i] >= 'a' && string[i] <= 'f')
			newnum = (num << 4) | (string[i] - 'a' + 10);
		else if (string[i] == 'h') {
			suffix = YES;
			continue;
		} else
			@throw [OFInvalidEncodingException newWithClass: isa];
			@throw [OFInvalidFormatException newWithClass: isa];

		if (newnum < num)
			@throw [OFOutOfRangeException newWithClass: isa];

		num = newnum;
	}

	    [@"0xABcd" hexadecimalValue] == 0xABCD &&
	    [@"xbCDE" hexadecimalValue] == 0xBCDE &&
	    [@"$CdEf" hexadecimalValue] == 0xCDEF &&
	    [@"Feh" hexadecimalValue] == 0xFE &&
	    [@"" hexadecimalValue] == 0)

	EXPECT_EXCEPTION(@"Detect invalid characters in -[decimalValue] #1",
	    OFInvalidEncodingException, [@"abc" decimalValue])
	    OFInvalidFormatException, [@"abc" decimalValue])
	EXPECT_EXCEPTION(@"Detect invalid characters in -[decimalValue] #2",
	    OFInvalidEncodingException, [@"0a" decimalValue])
	    OFInvalidFormatException, [@"0a" decimalValue])

	EXPECT_EXCEPTION(@"Detect invalid chars in -[hexadecimalValue] #1",
	    OFInvalidEncodingException, [@"0xABCDEFG" hexadecimalValue])
	    OFInvalidFormatException, [@"0xABCDEFG" hexadecimalValue])
	EXPECT_EXCEPTION(@"Detect invalid chars in -[hexadecimalValue] #2",
	    OFInvalidEncodingException, [@"0x" hexadecimalValue])
	    OFInvalidFormatException, [@"0x" hexadecimalValue])
	EXPECT_EXCEPTION(@"Detect invalid chars in -[hexadecimalValue] #3",
	    OFInvalidEncodingException, [@"$" hexadecimalValue])
	    OFInvalidFormatException, [@"$" hexadecimalValue])

	EXPECT_EXCEPTION(@"Detect out of range in -[decimalValue]",
	    OFOutOfRangeException,
	    [@"12345678901234567890123456789012345678901234567890"
	     @"12345678901234567890123456789012345678901234567890"
	    decimalValue])