text: <?php
  
  /*
   * This file is part of the Symfony package.
   *
   * (c) Fabien Potencier <fabien@symfony.com>
   *
   * For the full copyright and license information, please view the LICENSE
   * file that was distributed with this source code.
   */
  
  namespace Symfony\Component\VarDumper\Tests\Cloner;
  
  use PHPUnit\Framework\TestCase;
  use Symfony\Component\VarDumper\Caster\Caster;
  use Symfony\Component\VarDumper\Caster\ClassStub;
  use Symfony\Component\VarDumper\Cloner\Data;
  use Symfony\Component\VarDumper\Cloner\VarCloner;
  
  class DataTest extends TestCase
  {
      public function testBasicData()
      {
          $values = array(1 => 123, 4.5, 'abc', null, false);
          $data = $this->cloneVar($values);
          $clonedValues = array();
  
          $this->assertInstanceOf(Data::class, $data);
          $this->assertCount(count($values), $data);
          $this->assertFalse(isset($data->{0}));
          $this->assertFalse(isset($data[0]));
  
          foreach ($data as $k => $v) {
              $this->assertTrue(isset($data->{$k}));
              $this->assertTrue(isset($data[$k]));
              $this->assertSame(gettype($values[$k]), $data->seek($k)->getType());
              $this->assertSame($values[$k], $data->seek($k)->getValue());
              $this->assertSame($values[$k], $data->{$k});
              $this->assertSame($values[$k], $data[$k]);
              $this->assertSame((string) $values[$k], (string) $data->seek($k));
  
              $clonedValues[$k] = $v->getValue();
          }
  
          $this->assertSame($values, $clonedValues);
      }
  
      public function testObject()
      {
          $data = $this->cloneVar(new \Exception('foo'));
  
          $this->assertSame('Exception', $data->getType());
  
          $this->assertSame('foo', $data->message);
          $this->assertSame('foo', $data->{Caster::PREFIX_PROTECTED.'message'});
  
          $this->assertSame('foo', $data['message']);
          $this->assertSame('foo', $data[Caster::PREFIX_PROTECTED.'message']);
  
          $this->assertStringMatchesFormat('Exception (count=%d)', (string) $data);
      }
  
      public function testArray()
      {
          $values = array(array(), array(123));
          $data = $this->cloneVar($values);
  
          $this->assertSame($values, $data->getValue(true));
  
          $children = $data->getValue();
  
          $this->assertInternalType('array', $children);
  
          $this->assertInstanceOf(Data::class, $children[0]);
          $this->assertInstanceOf(Data::class, $children[1]);
  
          $this->assertEquals($children[0], $data[0]);
          $this->assertEquals($children[1], $data[1]);
  
          $this->assertSame($values[0], $children[0]->getValue(true));
          $this->assertSame($values[1], $children[1]->getValue(true));
      }
  
      public function testStub()
      {
          $data = $this->cloneVar(array(new ClassStub('stdClass')));
          $data = $data[0];
  
          $this->assertSame('string', $data->getType());
          $this->assertSame('stdClass', $data->getValue());
          $this->assertSame('stdClass', (string) $data);
      }
  
      public function testHardRefs()
      {
          $values = array(array());
          $values[1] = &$values[0];
          $values[2][0] = &$values[2];
  
          $data = $this->cloneVar($values);
  
          $this->assertSame(array(), $data[0]->getValue());
          $this->assertSame(array(), $data[1]->getValue());
          $this->assertEquals(array($data[2]->getValue()), $data[2]->getValue(true));
  
          $this->assertSame('array (count=3)', (string) $data);
      }
  
      private function cloneVar($value)
      {
          $cloner = new VarCloner();
  
          return $cloner->cloneVar($value);
      }
  }
  