@Test
public void getNullableDoubleWithColumnIndexWorks() throws SQLException {
ResultSet mockResultSet = mock(ResultSet.class);
when(mockResultSet.getDouble(2)).thenReturn(7.0);
assertEquals(7.0, ResultSets.getNullableDouble(mockResultSet, 2).doubleValue(), 0.0001);
assertEquals(7.0, ResultSets.enhance(mockResultSet).getNullableDouble(2).doubleValue(), 0.0001);
when(mockResultSet.getDouble(2)).thenReturn(0.0);
when(mockResultSet.wasNull()).thenReturn(true);
assertNull(ResultSets.getNullableDouble(mockResultSet, 2));
assertNull(ResultSets.enhance(mockResultSet).getNullableDouble(2));
}
