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<?php declare(strict_types=1);

/*

* This file is part of phpunit/php-code-coverage.

*

* (c) Sebastian Bergmann <sebastian@phpunit.de>

*

* For the full copyright and license information, please view the LICENSE

* file that was distributed with this source code.

*/

namespace SebastianBergmann\CodeCoverage;

use function sprintf;

/**

* @internal This class is not covered by the backward compatibility promise for phpunit/php-code-coverage

*/

final class CrapIndex

{

/**

* @var int

*/

private $cyclomaticComplexity;

/**

* @var float

*/

private $codeCoverage;

public static function fromCyclomaticComplexityAndCoveragePercentage(int $cyclomaticComplexity, float $codeCoverage): self

{

return new self($cyclomaticComplexity, $codeCoverage);

}

public function __construct(int $cyclomaticComplexity, float $codeCoverage)

{

$this->cyclomaticComplexity = $cyclomaticComplexity;

$this->codeCoverage = $codeCoverage;

}

public function asString(): string

{

if ($this->codeCoverage === 0.0) {

return (string) ($this->cyclomaticComplexity ** 2 + $this->cyclomaticComplexity);

}

if ($this->codeCoverage >= 95) {

return (string) $this->cyclomaticComplexity;

}

return sprintf(

'%01.2F',

$this->cyclomaticComplexity ** 2 * (1 - $this->codeCoverage / 100) ** 3 + $this->cyclomaticComplexity

);

}

}