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<?php
declare(strict_types=1);
namespace LaminasTest\Stdlib\Guard;
use Laminas\Stdlib\Exception\InvalidArgumentException;
use Laminas\Stdlib\Guard\NullGuardTrait;
use LaminasTest\Stdlib\TestAsset\GuardedObject;
use PHPUnit\Framework\Attributes\CoversClass;
use PHPUnit\Framework\TestCase;
#[CoversClass(NullGuardTrait::class)]
final class NullGuardTraitTest extends TestCase
{
public function testGuardAgainstNullThrowsException(): void
{
$object = new GuardedObject();
$this->expectException(InvalidArgumentException::class);
$this->expectExceptionMessage('Argument cannot be null');
$object->setNotNull(null);
}
public function testGuardAgainstNullAllowsNonNull(): void
{
$object = new GuardedObject();
self::assertNull($object->setNotNull('foo'));
}
}
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