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<?php declare(strict_types=1);
namespace DeepCopyTest\Filter;
use DeepCopy\Filter\KeepFilter;
use PHPUnit\Framework\TestCase;
use stdClass;
/**
* @covers \DeepCopy\Filter\KeepFilter
*/
class KeepFilterTest extends TestCase
{
public function test_it_does_not_change_the_filtered_object_property()
{
$object = new stdClass();
$keepObject = new stdClass();
$object->foo = $keepObject;
$filter = new KeepFilter();
$filter->apply($object, 'foo', null);
$this->assertSame($keepObject, $object->foo);
}
}
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