### Question:
UnnamedFieldsMapping implements IFieldsMapping { @Override public int size() { return fieldsCount; } UnnamedFieldsMapping( int fieldsCount ); @Override int fieldMetaIndex( int index ); @Override int size(); static UnnamedFieldsMapping mapping( int fieldsCount );  }### Answer:
@Test public void size() { assertEquals( 2, fieldsMapping.size() ); }