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<?php declare(strict_types=1);
/*
* This file is part of PHPUnit.
*
* (c) Sebastian Bergmann <[email protected]>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PHPUnit\Framework\MockObject\Stub;
use function array_shift;
use function sprintf;
use PHPUnit\Framework\MockObject\Invocation;
use SebastianBergmann\Exporter\Exporter;
/**
* @internal This class is not covered by the backward compatibility promise for PHPUnit
*/
final class ConsecutiveCalls implements Stub
{
/**
* @var array
*/
private $stack;
/**
* @var mixed
*/
private $value;
public function __construct(array $stack)
{
$this->stack = $stack;
}
public function invoke(Invocation $invocation)
{
$this->value = array_shift($this->stack);
if ($this->value instanceof Stub) {
$this->value = $this->value->invoke($invocation);
}
return $this->value;
}
public function toString(): string
{
$exporter = new Exporter;
return sprintf(
'return user-specified value %s',
$exporter->export($this->value)
);
}
}
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