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75 lines
1.4 KiB
75 lines
1.4 KiB
<?php |
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/** |
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* @link http://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license http://www.yiiframework.com/license/ |
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*/ |
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namespace yiiunit\data\base; |
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/** |
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* TraversableObject |
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* Object that implements `\Traversable` and `\Countable`, but counting throws an exception; |
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* Used for testing support for traversable objects instead of arrays. |
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* @author Sam Mousa <sam@mousa.nl> |
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* @since 2.0.8 |
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*/ |
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class TraversableObject implements \Iterator, \Countable |
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{ |
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protected $data; |
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private $position = 0; |
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public function __construct(array $array) |
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{ |
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$this->data = $array; |
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} |
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/** |
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* @throws \Exception |
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* @since 5.1.0 |
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*/ |
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public function count() |
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{ |
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throw new \Exception('Count called on object that should only be traversed.'); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function current() |
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{ |
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return $this->data[$this->position]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function next() |
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{ |
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$this->position++; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function key() |
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{ |
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return $this->position; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function valid() |
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{ |
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return array_key_exists($this->position, $this->data); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function rewind() |
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{ |
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$this->position = 0; |
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} |
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}
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