public function testIsManipulationAllowed()
{
$this->_layout->addBlock('Mage_Core_Block_Text', 'block1');
$this->_layout->addBlock('Mage_Core_Block_Text', 'block2', 'block1');
$this->assertFalse($this->_layout->isManipulationAllowed('block1'));
$this->assertFalse($this->_layout->isManipulationAllowed('block2'));
$this->_layout->addContainer('container1', 'Container 1');
$this->_layout->addBlock('Mage_Core_Block_Text', 'block3', 'container1');
$this->_layout->addContainer('container2', 'Container 2', array(), 'container1');
$this->assertFalse($this->_layout->isManipulationAllowed('container1'));
$this->assertTrue($this->_layout->isManipulationAllowed('block3'));
$this->assertTrue($this->_layout->isManipulationAllowed('container2'));
}
