ObjFW  Check-in [8afa16c9e9]

{
	int i = 0;
	intmax_t num = 0;

	if (string[0] == '-')
		i++;

	/* FIXME: Add overflow check */
	for (; i < length; i++) {
		if (string[i] >= '0' && string[i] <= '9')
			num = (num * 10) + (string[i] - '0');
		else
		if (string[i] >= '0' && string[i] <= '9') {
			intmax_t newnum = (num * 10) + (string[i] - '0');

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

			num = newnum;
		} else
			@throw [OFInvalidEncodingException newWithClass: isa];
	}

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

	return num;
}

- (intmax_t)hexadecimalValueAsInteger
{
	int i = 0;
	intmax_t num = 0;
	uintmax_t num = 0;

	if (length == 0)
		return 0;

	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];

	/* FIXME: Add overflow check */
	for (; i < length; i++) {
		uintmax_t newnum;

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

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

		num = newnum;
	}

	return num;
}

- setToCString: (const char*)str
{

	    [[a objectAtIndex: i++] isEqual: @""] &&
	    [[a objectAtIndex: i++] isEqual: @"baz"] &&
	    [[a objectAtIndex: i++] isEqual: @""] &&
	    [[a objectAtIndex: i++] isEqual: @""])

	TEST(@"-[decimalValueAsInteger]",
	    [@"1234" decimalValueAsInteger] == 1234 &&
	    [@"-500" decimalValueAsInteger] == -500 &&
	    [@"" decimalValueAsInteger] == 0)

	TEST(@"-[hexadecimalValueAsInteger]",
	    [@"123f" hexadecimalValueAsInteger] == 0x123f &&
	    [@"0xABcd" hexadecimalValueAsInteger] == 0xABCD &&
	    [@"xbCDE" hexadecimalValueAsInteger] == 0xBCDE &&
	    [@"$CdEf" hexadecimalValueAsInteger] == 0xCDEF &&

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

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

	EXPECT_EXCEPTION(@"Detect out of range in -[hexadecilamValueAsInteger",
	    OFOutOfRangeException,
	    [@"0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF"
	     @"0123456789ABCDEF0123456789ABCDEF0123456789ABCDEF"
	    hexadecimalValueAsInteger])

	TEST(@"-[md5Hash]", [[@"asdfoobar" md5Hash]
	    isEqual: @"184dce2ec49b5422c7cfd8728864db4c"])

	TEST(@"-[sha1Hash]", [[@"asdfoobar" sha1Hash]
	    isEqual: @"f5f81ac0a8b5cbfdc4585ec1ad32e7b3a12b9b49"])