/**
* compare a single part of a pre-release string
*
* each one of these can be:
*
* - a number (a string that's a number)
* - a string (a string that isn't a number)
*
* @param string $aPart
* @param string $bPart
* @return int
*/
public static function calculate($aPart, $bPart)
{
// what are we looking at?
$aPartIsNumeric = ctype_digit($aPart);
$bPartIsNumeric = ctype_digit($bPart);
if (!$aPartIsNumeric && !$bPartIsNumeric) {
// two strings to compare
return CompareTwoStrings::calculate($aPart, $bPart);
}
if (($retval = self::calculatePartDifference($aPartIsNumeric, $bPartIsNumeric)) !== CompareTwoNumbers::BOTH_ARE_EQUAL) {
return $retval;
}
// at this point, we have two numbers
return CompareTwoNumbers::calculate($aPart, $bPart);
}
/**
* @covers ::calculate
* @dataProvider provideNonStrings
* @expectedException GanbaroDigital\TextTools\Exceptions\E4xx_UnsupportedType
*/
public function testRejectsNonStrings($lhs, $rhs)
{
// ----------------------------------------------------------------
// setup your test
// ----------------------------------------------------------------
// perform the change
CompareTwoStrings::calculate($lhs, $rhs);
}