/*
* Copyright (c) 2012, 2013, Trivadis (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 java.math.BigDecimal;
import static org.junit.Assert.assertEquals;
/**
* Created by atsticks on 15.05.16.
* @see http://www.financeformulas.net/Perpetuity.html#calcHeader
* shows incorrect values in this case.
*/
public class PresentValueOfPerpetuityTest {
@Test
public void testRate(){
PresentValueOfPerpetuity op = PresentValueOfPerpetuity.of(Rate.of(0.05));
assertEquals(Rate.of(0.05), op.getRate());
}
@Test
public void testApply(){
PresentValueOfPerpetuity op = PresentValueOfPerpetuity.of(Rate.of(0.05));
assertEquals(Money.of(2000, "CHF"), Money.of(100, "CHF").with(op));
assertEquals(Money.of(2000, "CHF"), op.apply(Money.of(100, "CHF")));
assertEquals(Money.of(-2000, "CHF"), Money.of(-100, "CHF").with(op));
op = PresentValueOfPerpetuity.of(Rate.of(-0.05));
assertEquals(Money.of(-2000, "CHF"), op.apply(Money.of(100, "CHF")));
}
@Test
public void calculate_positive() throws Exception {
assertEquals(Money.of(2000, "CHF"), PresentValueOfPerpetuity.calculate(Money.of(100, "CHF"), Rate.of(0.05)));
}
@Test
public void calculate_negative() throws Exception {
assertEquals(Money.of(-2000, "CHF"), PresentValueOfPerpetuity.calculate(Money.of(100, "CHF"), Rate.of(-0.05)));
}
@Test
public void calculate_positive_value_neg() throws Exception {
assertEquals(Money.of(-2000, "CHF"), PresentValueOfPerpetuity.calculate(Money.of(-100, "CHF"), Rate.of(0.05)));
}
@Test
public void calculate_negative_value_neg() throws Exception {
assertEquals(Money.of(2000, "CHF"), PresentValueOfPerpetuity.calculate(Money.of(-100, "CHF"), Rate.of(-0.05)));
}
@Test
public void testToString(){
PresentValueOfPerpetuity op = PresentValueOfPerpetuity.of(Rate.of(0.056778));
assertEquals("PresentValueOfPerpetuity{rate=Rate[0.056778]}", op.toString());
}
}