public void test_buildInto() { ZeroRateSensitivity base = ZeroRateSensitivity.of(GBP, YEARFRAC, 32d); MutablePointSensitivities combo = new MutablePointSensitivities(); MutablePointSensitivities test = base.buildInto(combo); assertSame(test, combo); assertEquals(test.getSensitivities(), ImmutableList.of(base)); }