public function testAppendPrependAndSetThrowExceptionsWhenNonMetaValueProvided() { try { $this->helper->append('foo'); $this->fail('Non-meta value should not append'); } catch (Zend_View_Exception $e) { } try { $this->helper->offsetSet(3, 'foo'); $this->fail('Non-meta value should not offsetSet'); } catch (Zend_View_Exception $e) { } try { $this->helper->prepend('foo'); $this->fail('Non-meta value should not prepend'); } catch (Zend_View_Exception $e) { } try { $this->helper->set('foo'); $this->fail('Non-meta value should not set'); } catch (Zend_View_Exception $e) { } }