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<?php

namespace Guzzle\Tests\Iterator;

use Guzzle\Iterator\AppendIterator;

/**
 * @covers Guzzle\Iterator\AppendIterator
 */
class AppendIteratorTest extends \PHPUnit_Framework_TestCase
{
    public function testTraversesIteratorsInOrder()
    {
        $a = new \ArrayIterator(array(
            'a' => 1,
            'b' => 2
        ));
        $b = new \ArrayIterator(array());
        $c = new \ArrayIterator(array(
            'c' => 3,
            'd' => 4
        ));
        $i = new AppendIterator();
        $i->append($a);
        $i->append($b);
        $i->append($c);
        $this->assertEquals(array(1, 2, 3, 4), iterator_to_array($i, false));
    }
}