/**
* @covers ::calculate
* @covers ::calculatePartDifference
* @dataProvider providePreReleaseParts
*/
public function testCanComparePreReleases($a, $b, $expectedResult)
{
// ----------------------------------------------------------------
// setup your test
// ----------------------------------------------------------------
// perform the change
$actualResult = CompareTwoPreReleaseParts::calculate($a, $b);
// ----------------------------------------------------------------
// test the results
$this->assertEquals($expectedResult, $actualResult);
}
/**
* compare the segments of the <pre-release> section
*
* @param array $aParts
* the <pre-release> part of LHS, split by '.'
* @param array $bParts
* the <pre-release> part of RHS, split by '.'
* @return int
*/
private static function comparePreReleaseParts($aParts, $bParts)
{
// step-by-step comparison
foreach ($aParts as $i => $aPart) {
// if we've run out of parts, $a wins
if (!isset($bParts[$i])) {
return CompareTwoNumbers::A_IS_GREATER;
}
// shorthand
$bPart = $bParts[$i];
// what can we learn about them?
$res = CompareTwoPreReleaseParts::calculate($aPart, $bPart);
if ($res !== CompareTwoNumbers::BOTH_ARE_EQUAL) {
return $res;
}
}
return CompareTwoNumbers::BOTH_ARE_EQUAL;
}