@Test
public void verifyGetPeriodTypePeriodMapExitOnNull()
{

    // Given | When
    ListMap<String, DimensionalItemObject> periodTypePeriodMap = PeriodOffsetUtils
        .getPeriodTypePeriodMap( null );
    // Then
    assertThat( periodTypePeriodMap.size(), is( 0 ) );
    // Given | When
    PeriodOffsetUtils.getPeriodTypePeriodMap( DataQueryParams.newBuilder().build() );
    // Then
    assertThat( periodTypePeriodMap.size(), is( 0 ) );
}