RuleOf72Test.java example

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javamoney-lib-master
/*
 *  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.junit.Test;

import java.math.BigDecimal;

import static org.junit.Assert.*;

/**
 * Created by atsticks on 27.05.16.
 * @see http://www.financeformulas.net/Rule_of_72.html
 */
public class RuleOf72Test {

    @Test
    public void calculate_POSITIVE() throws Exception {
        assertEquals(BigDecimal.valueOf(9.411764705882353), RuleOf72.calculate(Rate.of(0.0765)));
    }

    @Test
    public void calculate_NEGATIVE() throws Exception {
        assertEquals(BigDecimal.valueOf(-9.411764705882353), RuleOf72.calculate(Rate.of(-0.0765)));
    }
}