//------------------------------------------------------------------------- public virtual void test_requirementsAndCurrency() { FxSingleTradeCalculationFunction function = new FxSingleTradeCalculationFunction(); ISet <Measure> measures = function.supportedMeasures(); FunctionRequirements reqs = function.requirements(TRADE, measures, PARAMS, REF_DATA); assertThat(reqs.OutputCurrencies).containsExactly(GBP, USD); assertThat(reqs.ValueRequirements).isEqualTo(ImmutableSet.of(DISCOUNT_CURVE_GBP_ID, DISCOUNT_CURVE_USD_ID)); assertThat(reqs.TimeSeriesRequirements).Empty; assertThat(function.naturalCurrency(TRADE, REF_DATA)).isEqualTo(GBP); }