/*
* Copyright (c) 2012, 2015, Credit Suisse (Anatole Tresch), Werner Keil.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package org.javamoney.calc.common;
import org.javamoney.moneta.Money;
import org.junit.Test;
import javax.money.MonetaryAmount;
import javax.money.MonetaryException;
import java.math.BigDecimal;
import static org.junit.Assert.*;
/**
* Created by atsticks on 15.05.16.
* @see http://www.financeformulas.net/Future-Value-of-Growing-Annuity.html#calcHeader
*/
public class FutureValueGrowingAnnuityTest {
@Test
public void getDiscountRate() throws Exception {
FutureValueGrowingAnnuity val = FutureValueGrowingAnnuity.of(
Rate.of(0.01),Rate.of(0.03),1
);
assertEquals(val.getDiscountRate(), Rate.of(0.01));
}
@Test
public void getGrowthRate() throws Exception {
FutureValueGrowingAnnuity val = FutureValueGrowingAnnuity.of(
Rate.of(0.01),Rate.of(0.03),1
);
assertEquals(val.getGrowthRate(), Rate.of(0.03));
}
@Test
public void getPeriods() throws Exception {
FutureValueGrowingAnnuity val = FutureValueGrowingAnnuity.of(
Rate.of(0.01),Rate.of(0.03),3654
);
assertEquals(val.getPeriods(), 3654);
}
@Test
public void of_Period1() throws Exception {
FutureValueGrowingAnnuity val = FutureValueGrowingAnnuity.of(
Rate.of(0.07), Rate.of(0.05), 1
);
assertNotNull(val);
}
@Test
public void of_Period0() throws Exception {
FutureValueGrowingAnnuity val = FutureValueGrowingAnnuity.of(
Rate.of(0.07),Rate.of(0.08),0
);
assertNotNull(val);
}
@Test
public void calculate_Periods0() throws Exception {
Money m = Money.of(10, "CHF");
FutureValueGrowingAnnuity val = FutureValueGrowingAnnuity.of(
Rate.of(-0.05), Rate.of(0.05), 0
);
assertEquals(Money.of(0,"CHF"), m.with(val));
val = FutureValueGrowingAnnuity.of(
Rate.of(0.05), Rate.of(-0.05), 0
);
assertEquals(Money.of(0,"CHF"), m.with(val));
}
@Test(expected = MonetaryException.class)
public void of_InvalidWithEqualRates() throws Exception {
FutureValueGrowingAnnuity val = FutureValueGrowingAnnuity.of(
Rate.of(0.05), Rate.of(0.05), 0
);
}
@Test
public void calculate_Periods1() throws Exception {
Money m = Money.of(10, "CHF");
FutureValueGrowingAnnuity val = FutureValueGrowingAnnuity.of(
Rate.of(-0.05), Rate.of(0.05), 1
);
assertEquals(Money.of(0,"CHF"), m.with(val));
val = FutureValueGrowingAnnuity.of(
Rate.of(0.05), Rate.of(-0.05), 1
);
assertEquals(Money.of(10,"CHF"), m.with(val));
}
@Test
public void calculate_PeriodsN() throws Exception {
Money m = Money.of(10, "CHF");
FutureValueGrowingAnnuity val = FutureValueGrowingAnnuity.of(
Rate.of(-0.05), Rate.of(0.05), 10
);
assertEquals(Money.of(0.0,"CHF").getNumber().numberValue(BigDecimal.class)
.doubleValue(), m.with(val).getNumber().numberValue(BigDecimal.class)
.doubleValue(), 0.00000000000001d);
val = FutureValueGrowingAnnuity.of(
Rate.of(0.05), Rate.of(-0.05), 10
);
assertEquals(Money.of(103.0157687539062,"CHF").getNumber().numberValue(BigDecimal.class).doubleValue(),
m.with(val).getNumber().numberValue(BigDecimal.class).doubleValue(), 0.000000000000001d);
}
@Test
public void apply() throws Exception {
FutureValueGrowingAnnuity val = FutureValueGrowingAnnuity.of(
Rate.of(0.07), Rate.of(0.08), 10
);
Money m = Money.of(10, "CHF");
assertEquals(val.apply(m), m.with(val));
}
@Test
public void toStringTest() throws Exception {
FutureValueGrowingAnnuity val = FutureValueGrowingAnnuity.of(
Rate.of(0.07), Rate.of(0.05), 10
);
assertEquals("FutureValueGrowingAnnuity{discountRate=Rate[0.07], growthRate=Rate[0.05], periods=10}", val.toString());
}
}