CrapIndex.php

<?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\Node;

use function sprintf;

/**
 * @internal This class is not covered by the backward compatibility promise for phpunit/php-code-coverage
 */
final class CrapIndex {
    private readonly int $cyclomaticComplexity;
    private readonly float $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);
    }

}