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<?php declare(strict_types = 1);
namespace PHPStan\PhpDocParser\Ast\NodeVisitor;
use PHPStan\PhpDocParser\Ast\Attribute;
use PHPStan\PhpDocParser\Ast\NodeTraverser;
use PHPStan\PhpDocParser\Ast\Type\IdentifierTypeNode;
use PHPStan\PhpDocParser\Ast\Type\NullableTypeNode;
use PHPUnit\Framework\TestCase;
class CloningVisitorTest extends TestCase
{
public function testVisitor(): void
{
$visitor = new CloningVisitor();
$traverser = new NodeTraverser([$visitor]);
$identifier = new IdentifierTypeNode('Foo');
$node = new NullableTypeNode($identifier);
$newNodes = $traverser->traverse([$node]);
$this->assertCount(1, $newNodes);
$this->assertInstanceOf(NullableTypeNode::class, $newNodes[0]);
$this->assertNotSame($node, $newNodes[0]);
$this->assertSame($node, $newNodes[0]->getAttribute(Attribute::ORIGINAL_NODE));
$this->assertInstanceOf(IdentifierTypeNode::class, $newNodes[0]->type);
$this->assertNotSame($identifier, $newNodes[0]->type);
$this->assertSame($identifier, $newNodes[0]->type->getAttribute(Attribute::ORIGINAL_NODE));
}
}
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