function testFillDelta()
 {
     $fixture = array('delta_id' => 'add new object to collection', 'changes' => array(array('change_type' => 'insert', 'collection_id' => 'my_schedule', 'record_id' => 'monday', 'changes' => array(array('change_type' => 'set', 'field_id' => 'work', 'value' => array('string' => 'from 11am to 7pm', 'type' => 'string'))))));
     $recordFieldValue = new RecordFieldValue();
     $recordFieldValue->setValue($fixture['changes'][0]['changes'][0]['value']['string']);
     //Field changes
     $recordField = new RecordField();
     $recordField->setValue($recordFieldValue)->setFieldId($fixture['changes'][0]['changes'][0]['field_id'])->setChangeType(RecordField::CHANGE_TYPE_SET);
     //Record changes
     $record = new Record();
     $record->setChangeType(Record::CHANGE_TYPE_INSERT)->setCollectionId($fixture['changes'][0]['collection_id'])->setRecordId($fixture['changes'][0]['record_id'])->setChanges(array($recordField))->setFields(array($recordField))->setRevision(0);
     $delta = new Database\Delta();
     $delta->setDeltaId($fixture['delta_id'])->setChanges(array($record));
     $delta2 = new Database\Delta();
     $delta2->setDeltaId($fixture['delta_id'])->setChanges(new Database\Delta\Records(array($record)));
     $array1 = $delta->toArray();
     $array2 = $delta2->toArray();
     $this->assertEquals($fixture['delta_id'], $delta->getDeltaId());
     $this->assertEquals($delta2->getChanges(), $delta->getChanges());
     $this->assertTrue($array1 === $array2, 'Is Equals arrays');
 }