public void test_of() { PriceIndexObservation test = PriceIndexObservation.of(GB_HICP, FIXING_MONTH); assertEquals(test.getIndex(), GB_HICP); assertEquals(test.getFixingMonth(), FIXING_MONTH); assertEquals(test.getCurrency(), GB_HICP.getCurrency()); assertEquals(test.toString(), "PriceIndexObservation[GB-HICP on 2016-02]"); }