/**
* @depends testNext
* @param IteratorDecoratorAbstract
* @return IteratorDecoratorAbstract
*/
public function testPrevious(IteratorDecoratorAbstract $iteratorObject)
{
$this->assertTrue($iteratorObject->hasPrevious());
$iteratorObject->previous();
$this->assertTrue($iteratorObject->valid());
$this->assertEquals(1, $iteratorObject->key());
$this->assertEquals('item2', $iteratorObject->current());
$this->assertTrue($iteratorObject->hasPrevious());
$iteratorObject->previous();
$this->assertTrue($iteratorObject->valid());
$this->assertEquals(0, $iteratorObject->key());
$this->assertEquals('item1', $iteratorObject->current());
$this->assertFalse($iteratorObject->hasPrevious());
return $iteratorObject;
}
/**
* return true if iterator has a previous items
*
* @return bool has previous item
*/
public function hasPrevious()
{
if (parent::hasPrevious() && $this->getItemPosition() >= $this->getItemOffset()) {
return true;
}
return false;
}
