How do i test this?

gistfile1.java

public void saveRecord(Record record) {

        ContentValues values = new ContentValues();

        for (int i = 0; i < record.getSchema().getColumnNames().length; i++) {

            String columnName = record.getSchema().getColumnNames()[i];
            ColumnType columnType = record.getSchema().getColumnTypes()[i];

            //check if we have a new record. If we do, skip setting this value
            if(columnName.equals("_id") && record.getValue(columnName) == null){
                continue;
            }

            switch (columnType) {
                case BOOL:
                    Boolean BoolValue = false;

                    if(record.getValue(columnName) != null) {
                        BoolValue = (Boolean) record.getValue(columnName);
                    }

                    values.put(columnName, BoolValue);
                    break;
                case TEXT:
                    String textValue = "";

                    if(record.getValue(columnName) != null){
                        textValue = record.getValue(columnName).toString();
                    }
                    values.put(columnName, textValue);
                    break;
                case INTEGER:
                    Integer intValue = 0;

                    if(record.getValue(columnName) != null){
                       intValue = (Integer) record.getValue(columnName);
                    }
                    values.put(columnName, intValue);
                    break;
                case TIMESTAMP:

                    Integer timeValue = 0;

                    if(record.getValue(columnName) != null){
                        timeValue = (Integer) record.getValue(columnName);
                    }
                    values.put(columnName, timeValue);
                    break;
                case LONG:

                    Long longValue = Long.valueOf(0);

                    if(record.getValue(columnName) != null){
                        longValue = (Long) record.getValue(columnName);
                    }
                    values.put(columnName, longValue);
                    break;
                case DOUBLE:

                    Double doubleValue = 0.0;

                    if(record.getValue(columnName) != null){
                        doubleValue = (Double) record.getValue(columnName);
                    }
                    values.put(columnName, doubleValue);
                    break;
                default:
                    break;
            }

        }

        Date now = new Date();
        long currentTime = now.getTime();

        values.put("updated_at", currentTime);

        // new record; set created time stamp, attach the returned id to the record
        if (record.getId() <= 0) {

            values.put("created_at", currentTime);

            int insertId = (int) database.insert(record.getSchema().getTable(), null, values);

            record.setId(insertId);
        } else {
            database.update(record.getSchema().getTable(), values, "_id = " + record.getId(), null);
        }
    }