/**
* Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.analytics.financial.model.option.definition;
import static org.testng.AssertJUnit.assertEquals;
import static org.testng.AssertJUnit.assertFalse;
import org.testng.annotations.Test;
import org.threeten.bp.ZonedDateTime;
import com.opengamma.analytics.financial.model.interestrate.curve.YieldAndDiscountCurve;
import com.opengamma.analytics.financial.model.interestrate.curve.YieldCurve;
import com.opengamma.analytics.financial.model.volatility.surface.VolatilitySurface;
import com.opengamma.analytics.math.curve.ConstantDoublesCurve;
import com.opengamma.analytics.math.surface.ConstantDoublesSurface;
import com.opengamma.util.test.TestGroup;
import com.opengamma.util.time.DateUtils;
/**
* Test.
*/
@Test(groups = TestGroup.UNIT)
public class HullWhiteStochasticVolatilityModelDataBundleTest {
private static final double R = 0.03;
private static final double SIGMA = 0.3;
private static final YieldAndDiscountCurve CURVE = YieldCurve.from(ConstantDoublesCurve.from(R));
private static final YieldAndDiscountCurve OTHER_CURVE = YieldCurve.from(ConstantDoublesCurve.from(0.2));
private static final VolatilitySurface SURFACE = new VolatilitySurface(ConstantDoublesSurface.from(SIGMA));
private static final VolatilitySurface OTHER_SURFACE = new VolatilitySurface(ConstantDoublesSurface.from(0.25));
private static final double B = 0.01;
private static final double OTHER_B = 0.02;
private static final double SPOT = 100;
private static final double OTHER_SPOT = 99;
private static final double LAMBDA = 0.1;
private static final double OTHER_LAMBDA = 0.2;
private static final double SIGMA_LR = 0.3;
private static final double OTHER_SIGMA_LR = 0.4;
private static final double VOL_OF_VOL = 0.6;
private static final double OTHER_VOL_OF_VOL = 0.7;
private static final double RHO = 0.5;
private static final double OTHER_RHO = -0.5;
private static final ZonedDateTime DATE = DateUtils.getUTCDate(2010, 5, 1);
private static final ZonedDateTime OTHER_DATE = DateUtils.getUTCDate(2010, 6, 1);
private static final HullWhiteStochasticVolatilityModelDataBundle DATA = new HullWhiteStochasticVolatilityModelDataBundle(CURVE, B, SURFACE, SPOT, DATE, LAMBDA, SIGMA_LR, VOL_OF_VOL, RHO);
@Test(expectedExceptions = IllegalArgumentException.class)
public void testNullBundle() {
new HullWhiteStochasticVolatilityModelDataBundle(null);
}
@Test
public void testGetters() {
assertEquals(DATA.getCorrelation(), RHO, 0);
assertEquals(DATA.getCostOfCarry(), B, 0);
assertEquals(DATA.getDate(), DATE);
assertEquals(DATA.getInterestRateCurve(), CURVE);
assertEquals(DATA.getHalfLife(), LAMBDA, 0);
assertEquals(DATA.getLongRunVolatility(), SIGMA_LR, 0);
assertEquals(DATA.getSpot(), SPOT, 0);
assertEquals(DATA.getVolatilityOfVolatility(), VOL_OF_VOL, 0);
assertEquals(DATA.getVolatilitySurface(), SURFACE);
}
@Test
public void testGetData() {
assertEquals(DATA.getInterestRate(Math.random()), R, 0);
assertEquals(DATA.getVolatility(Math.random(), Math.random()), SIGMA, 0);
}
@Test
public void testEqualsAndHashCode() {
final HullWhiteStochasticVolatilityModelDataBundle data1 = new HullWhiteStochasticVolatilityModelDataBundle(CURVE, B, SURFACE, SPOT, DATE, LAMBDA, SIGMA_LR, VOL_OF_VOL, RHO);
final HullWhiteStochasticVolatilityModelDataBundle data2 = new HullWhiteStochasticVolatilityModelDataBundle(DATA);
final HullWhiteStochasticVolatilityModelDataBundle data3 = new HullWhiteStochasticVolatilityModelDataBundle(new StandardOptionDataBundle(CURVE, B, SURFACE, SPOT, DATE), LAMBDA, SIGMA_LR,
VOL_OF_VOL, RHO);
assertEquals(DATA, data1);
assertEquals(DATA, data2);
assertEquals(DATA, data3);
assertEquals(DATA.hashCode(), data1.hashCode());
assertEquals(DATA.hashCode(), data2.hashCode());
assertEquals(DATA.hashCode(), data3.hashCode());
assertFalse(DATA.equals(new HullWhiteStochasticVolatilityModelDataBundle(OTHER_CURVE, B, SURFACE, SPOT, DATE, LAMBDA, SIGMA_LR, VOL_OF_VOL, RHO)));
assertFalse(DATA.equals(new HullWhiteStochasticVolatilityModelDataBundle(CURVE, OTHER_B, SURFACE, SPOT, DATE, LAMBDA, SIGMA_LR, VOL_OF_VOL, RHO)));
assertFalse(DATA.equals(new HullWhiteStochasticVolatilityModelDataBundle(CURVE, B, OTHER_SURFACE, SPOT, DATE, LAMBDA, SIGMA_LR, VOL_OF_VOL, RHO)));
assertFalse(DATA.equals(new HullWhiteStochasticVolatilityModelDataBundle(CURVE, B, SURFACE, OTHER_SPOT, DATE, LAMBDA, SIGMA_LR, VOL_OF_VOL, RHO)));
assertFalse(DATA.equals(new HullWhiteStochasticVolatilityModelDataBundle(CURVE, B, SURFACE, SPOT, OTHER_DATE, OTHER_LAMBDA, SIGMA_LR, VOL_OF_VOL, RHO)));
assertFalse(DATA.equals(new HullWhiteStochasticVolatilityModelDataBundle(CURVE, B, SURFACE, SPOT, DATE, LAMBDA, OTHER_SIGMA_LR, VOL_OF_VOL, RHO)));
assertFalse(DATA.equals(new HullWhiteStochasticVolatilityModelDataBundle(CURVE, B, SURFACE, SPOT, DATE, LAMBDA, SIGMA_LR, OTHER_VOL_OF_VOL, RHO)));
assertFalse(DATA.equals(new HullWhiteStochasticVolatilityModelDataBundle(CURVE, B, SURFACE, SPOT, DATE, LAMBDA, SIGMA_LR, VOL_OF_VOL, OTHER_RHO)));
}
@Test
public void testBuilders() {
assertEquals(new HullWhiteStochasticVolatilityModelDataBundle(OTHER_CURVE, B, SURFACE, SPOT, DATE, LAMBDA, SIGMA_LR, VOL_OF_VOL, RHO), DATA.withInterestRateCurve(OTHER_CURVE));
assertEquals(new HullWhiteStochasticVolatilityModelDataBundle(CURVE, OTHER_B, SURFACE, SPOT, DATE, LAMBDA, SIGMA_LR, VOL_OF_VOL, RHO), DATA.withCostOfCarry(OTHER_B));
assertEquals(new HullWhiteStochasticVolatilityModelDataBundle(CURVE, B, OTHER_SURFACE, SPOT, DATE, LAMBDA, SIGMA_LR, VOL_OF_VOL, RHO), DATA.withVolatilitySurface(OTHER_SURFACE));
assertEquals(new HullWhiteStochasticVolatilityModelDataBundle(CURVE, B, SURFACE, OTHER_SPOT, DATE, LAMBDA, SIGMA_LR, VOL_OF_VOL, RHO), DATA.withSpot(OTHER_SPOT));
assertEquals(new HullWhiteStochasticVolatilityModelDataBundle(CURVE, B, SURFACE, SPOT, OTHER_DATE, LAMBDA, SIGMA_LR, VOL_OF_VOL, RHO), DATA.withDate(OTHER_DATE));
assertEquals(new HullWhiteStochasticVolatilityModelDataBundle(CURVE, B, SURFACE, SPOT, DATE, OTHER_LAMBDA, SIGMA_LR, VOL_OF_VOL, RHO), DATA.withHalfLife(OTHER_LAMBDA));
assertEquals(new HullWhiteStochasticVolatilityModelDataBundle(CURVE, B, SURFACE, SPOT, DATE, LAMBDA, OTHER_SIGMA_LR, VOL_OF_VOL, RHO), DATA.withLongRunVolatility(OTHER_SIGMA_LR));
assertEquals(new HullWhiteStochasticVolatilityModelDataBundle(CURVE, B, SURFACE, SPOT, DATE, LAMBDA, SIGMA_LR, OTHER_VOL_OF_VOL, RHO), DATA.withVolatilityOfVolatility(OTHER_VOL_OF_VOL));
assertEquals(new HullWhiteStochasticVolatilityModelDataBundle(CURVE, B, SURFACE, SPOT, DATE, LAMBDA, SIGMA_LR, VOL_OF_VOL, OTHER_RHO), DATA.withCorrelation(OTHER_RHO));
}
}