### Question:
DeleteResult { public int numberOfRowsDeleted() { return numberOfRowsDeleted; } private  DeleteResult(int numberOfRowsDeleted, @NonNull Set<Uri> affectedUris); @NonNull static DeleteResult newInstance(int numberOfRowsDeleted, @NonNull Set<Uri> affectedUris); @NonNull static DeleteResult newInstance(int numberOfRowsDeleted, @NonNull Uri affectedUri); int numberOfRowsDeleted(); @NonNull Set<Uri> affectedUris(); @Override boolean equals(Object o); @Override int hashCode(); @Override String toString();  }### Answer:
@Test public void numberOfRowsDeleted() { final DeleteResult deleteResult = DeleteResult.newInstance(3, mock(Uri.class)); assertThat(deleteResult.numberOfRowsDeleted()).isEqualTo(3); }