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-rwxr-xr-xsrc/test/java/UnitTest.java116
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diff --git a/src/test/java/UnitTest.java b/src/test/java/UnitTest.java
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-/**
- * Copyright (C) 2018 Adrien Hopkins
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <https://www.gnu.org/licenses/>.
- */
-package test.java;
-
-import static org.junit.Assert.assertEquals;
-
-import java.util.Random;
-import java.util.concurrent.ThreadLocalRandom;
-
-import org.junit.Test;
-import org.unitConverter.dimension.StandardDimensions;
-import org.unitConverter.math.DecimalComparison;
-import org.unitConverter.unit.BaseUnit;
-import org.unitConverter.unit.LinearUnit;
-import org.unitConverter.unit.SI;
-import org.unitConverter.unit.SIPrefix;
-import org.unitConverter.unit.Unit;
-
-/**
- * Testing the various Unit classes. This is NOT part of this program's public API.
- *
- * @author Adrien Hopkins
- * @since 2018-12-22
- * @since v0.1.0
- */
-public class UnitTest {
- /** A random number generator */
- private static final Random rng = ThreadLocalRandom.current();
-
- @Test
- public void testAdditionAndSubtraction() {
- final LinearUnit inch = SI.METRE.times(0.0254);
- final LinearUnit foot = SI.METRE.times(0.3048);
-
- assertEquals(inch.plus(foot), SI.METRE.times(0.3302));
- assertEquals(foot.minus(inch), SI.METRE.times(0.2794));
- }
-
- @Test
- public void testBaseUnitExclusives() {
- // this test should have a compile error if I am doing something wrong
- final BaseUnit metrePerSecondSquared = SI.METRE.dividedBy(SI.SECOND.toExponent(2));
-
- assertEquals(metrePerSecondSquared, SI.SI.getBaseUnit(StandardDimensions.ACCELERATION));
- }
-
- @Test
- public void testConversion() {
- final BaseUnit metre = SI.METRE;
- final Unit inch = metre.times(0.0254);
-
- assertEquals(1.9, inch.convertToBase(75), 0.01);
-
- // try random stuff
- for (int i = 0; i < 1000; i++) {
- // initiate random values
- final double conversionFactor = rng.nextDouble() * 1000000;
- final double testValue = rng.nextDouble() * 1000000;
- final double expected = testValue * conversionFactor;
-
- // test
- final Unit unit = SI.METRE.times(conversionFactor);
- final double actual = unit.convertToBase(testValue);
-
- assertEquals(actual, expected, expected * DecimalComparison.DOUBLE_EPSILON);
- }
- }
-
- @Test
- public void testEquals() {
- final BaseUnit metre = SI.METRE;
- final Unit meter = SI.SI.getBaseUnit(StandardDimensions.LENGTH);
-
- assertEquals(metre, meter);
- }
-
- @Test
- public void testMultiplicationAndDivision() {
- // test unit-times-unit multiplication
- final LinearUnit generatedJoule = SI.KILOGRAM.times(SI.METRE.toExponent(2)).dividedBy(SI.SECOND.toExponent(2));
- final LinearUnit actualJoule = SI.SI.getBaseUnit(StandardDimensions.ENERGY);
-
- assertEquals(generatedJoule, actualJoule);
-
- // test multiplication by conversion factors
- final LinearUnit kilometre = SI.METRE.times(1000);
- final LinearUnit hour = SI.SECOND.times(3600);
- final LinearUnit generatedKPH = kilometre.dividedBy(hour);
-
- final LinearUnit actualKPH = SI.SI.getBaseUnit(StandardDimensions.VELOCITY).dividedBy(3.6);
-
- assertEquals(generatedKPH, actualKPH);
- }
-
- @Test
- public void testPrefixes() {
- final LinearUnit generatedKilometre = SI.METRE.withPrefix(SIPrefix.KILO);
- final LinearUnit actualKilometre = SI.METRE.times(1000);
-
- assertEquals(generatedKilometre, actualKilometre);
- }
-}