public void test_values() { ConstantNodalCurve test = ConstantNodalCurve.of(METADATA, XVALUE, YVALUE); assertThat(test.yValue(10.2421)).isEqualTo(YVALUE); assertThat(test.yValueParameterSensitivity(10.2421).getMarketDataName()).isEqualTo(CURVE_NAME); assertThat(test.yValueParameterSensitivity(10.2421).getSensitivity()).isEqualTo(DoubleArray.of(1d)); assertThat(test.firstDerivative(10.2421)).isEqualTo(0d); }