@Test
public void testSetClientIdsIfSpecified_unspecified() throws Exception {

  annotationConfig.setClientIdsIfSpecified(null);
  Mockito.verifyZeroInteractions(config);
  String[] unspecified = {Api.UNSPECIFIED_STRING_FOR_LIST};
  annotationConfig.setClientIdsIfSpecified(unspecified);
  Mockito.verifyZeroInteractions(config);
  String[] clientIds = {"bleh", "more bleh"};
  annotationConfig.setClientIdsIfSpecified(clientIds);
  annotationConfig.setClientIdsIfSpecified(unspecified);
  Mockito.verify(config).setClientIds(Arrays.asList(clientIds));
  Mockito.verifyNoMoreInteractions(config);
}