MinimumEvaluations.php
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MinimumEvaluations.php
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	<?php
	namespace Eris\Listener;

	use Eris\Listener;
	use Eris\Listener\EmptyListener;
	use OutOfBoundsException;
	use Exception;

	class MinimumEvaluations extends EmptyListener implements Listener
	{
	private $threshold;

	/**
	* @param float $threshold from 0.0 to 1.0
	*/
	public static function ratio($threshold)
	{
	return new self($threshold);
	}

	private function __construct($threshold)
	{
	$this->threshold = $threshold;
	}

	public function endPropertyVerification($ordinaryEvaluations, $iterations, Exception $exception = null)
	{
	if ($exception) {
	return;
	}
	$evaluationRatio = $ordinaryEvaluations / $iterations;
	if ($evaluationRatio < $this->threshold) {
	throw new OutOfBoundsException("Evaluation ratio {$evaluationRatio} is under the threshold {$this->threshold}");
	}
	}
	}