json mapper test

public class Vim430TestCase extends TestCase {

    private ObjectMapper objectMapper;

    @Override protected void setUp() throws Exception {
        super.setUp();
        objectMapper = ObjectMapperFactory.create();
    }

    public void testMapping() {
        String addressJson = "{" +
                             "\"city\": \"Berlin\"," +
                             "\"lines\": [\"Deutschland\"," +
                             "\"10405 Berlin\"," +
                             "\"Prenzlauer Allee 3\"]," +
                             "\"country\": \"Deutschland\"" +
                             "}";

        try {
            Address address = objectMapper.readValue(addressJson, Address.class);
            assertThat(address.getLines()).hasSize(3);
        } catch (IOException e) {
            fail(e.getMessage());
        }
    }
}