TestProtobufTypeUtil.java 文件源码

@Test
public void testEmptyRepeated() throws DataGeneratorException {
  Record r = RecordCreator.create();
  Map<String, Field> repeated = new HashMap<>();
  repeated.put("samples", Field.create(Field.Type.LIST, new ArrayList<>()));
  r.set(Field.create(repeated));
  Descriptors.Descriptor descriptor = RepeatedProto.getDescriptor().findMessageTypeByName("Repeated");
  // repeated field samples is null and ignored
  DynamicMessage dynamicMessage = ProtobufTypeUtil.sdcFieldToProtobufMsg(
    r,
    descriptor,
    typeToExtensionMap,
    defaultValueMap
  );
  // null repeated fields are treated as empty arrays
  Object samples = dynamicMessage.getField(descriptor.findFieldByName("samples"));
  Assert.assertNotNull(samples);
  Assert.assertTrue(samples instanceof List);
  Assert.assertEquals(0, ((List)samples).size());
}