@Test
public void putLongTypeDataProperty() {

    BdioContext context = DEFAULT_CONTEXT;
    Map<String, Object> map = new LinkedHashMap<>();
    context.putFieldValue(map, Bdio.DataProperty.byteCount, 1L);
    assertThat(map).containsEntry(Bdio.DataProperty.byteCount.toString(),
            ImmutableMap.of("@type", Bdio.Datatype.Long.toString(), "@value", 1L));
}