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<?php
/**
* Copyright © Magento, Inc. All rights reserved.
* See COPYING.txt for license details.
*/
/**
* Bootstrap of the memory monitoring
*/
namespace Magento\TestFramework\Bootstrap;
class Memory
{
/**
* Policy to perform requested actions on shutdown
*/
const POLICY_SHUTDOWN = 'register_shutdown_function';
/**
* @var \Magento\TestFramework\MemoryLimit
*/
private $_memoryLimit;
/**
* @var callable
*/
private $_activationPolicy;
/**
* @param \Magento\TestFramework\MemoryLimit $memoryLimit
* @param callable|string $activationPolicy
* @throws \InvalidArgumentException
*/
public function __construct(
\Magento\TestFramework\MemoryLimit $memoryLimit,
$activationPolicy = self::POLICY_SHUTDOWN
) {
if (!is_callable($activationPolicy)) {
throw new \InvalidArgumentException('Activation policy is expected to be a callable.');
}
$this->_memoryLimit = $memoryLimit;
$this->_activationPolicy = $activationPolicy;
}
/**
* Display memory usage statistics
*/
public function displayStats()
{
echo $this->_memoryLimit->printHeader() . $this->_memoryLimit->printStats() . PHP_EOL;
}
/**
* Activate displaying of the memory usage statistics
*/
public function activateStatsDisplaying()
{
call_user_func($this->_activationPolicy, [$this, 'displayStats']);
}
/**
* Activate validation of the memory usage/leak limitations
*/
public function activateLimitValidation()
{
call_user_func($this->_activationPolicy, [$this->_memoryLimit, 'validateUsage']);
}
}