/**
* @covers ::alert
* @expectedException GanbaroDigital\Defensive\Exceptions\E5xx_UnreachableCodeReached
*/
public function testThrowsException()
{
// ----------------------------------------------------------------
// setup your test
// ----------------------------------------------------------------
// perform the change
throw UnreachableCode::alert();
}
/**
* get a list of which subclasses a VersionNumber uses
*
* our requirement (for this check) is to ensure that programmers can
* subclass version numbers, and their subclasses still pass this check
*
* for example, given this:
*
* class MyVersion extends SemanticVersion { ... }
*
* objects of type MyVersion should be compatible with:
*
* - other objects of type MyVersion
* - any objects of type SemanticVersion
*
* but they cannot be compatible with objects of type VersionNumber
*
* @param VersionNumber $versionNumber
* the object to study
* @return array
* a list of the subclasses that $versionNumber will be
* compatible with
*/
private static function getCompatibleVersionSubclasses(VersionNumber $versionNumber)
{
$retval = [];
$list = AllMatchingTypesList::from($versionNumber);
foreach ($list as $type) {
if ($type === VersionNumber::class) {
return $retval;
}
$retval[$type] = $type;
}
// @codeCoverageIgnoreStart
UnreachableCode::alert();
}
