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authorAdrien Hopkins <ahopk127@my.yorku.ca>2021-06-28 17:16:12 -0500
committerAdrien Hopkins <ahopk127@my.yorku.ca>2021-06-28 17:16:12 -0500
commit78af49e0e5b2ab2eaab87e62c33089c5caa834f8 (patch)
tree14d2a49900d706070882cfe150e08ec1882cdbc2 /src/test/java/org/unitConverter/unit/UnitTest.java
parenta34d79383061ba53951f3f69a44f142820e82216 (diff)
Renamed project to 7Units
Diffstat (limited to 'src/test/java/org/unitConverter/unit/UnitTest.java')
-rw-r--r--src/test/java/org/unitConverter/unit/UnitTest.java146
1 files changed, 0 insertions, 146 deletions
diff --git a/src/test/java/org/unitConverter/unit/UnitTest.java b/src/test/java/org/unitConverter/unit/UnitTest.java
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--- a/src/test/java/org/unitConverter/unit/UnitTest.java
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@@ -1,146 +0,0 @@
-/**
- * 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 org.unitConverter.unit;
-
-import static org.junit.jupiter.api.Assertions.assertEquals;
-import static org.junit.jupiter.api.Assertions.assertFalse;
-import static org.junit.jupiter.api.Assertions.assertThrows;
-import static org.junit.jupiter.api.Assertions.assertTrue;
-
-import java.util.Random;
-import java.util.concurrent.ThreadLocalRandom;
-
-import org.junit.jupiter.api.Test;
-import org.unitConverter.math.DecimalComparison;
-
-/**
- * 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
- */
-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)
- .withName(NameSymbol.of("inch", "in"));
- final LinearUnit foot = SI.METRE.times(0.3048)
- .withName(NameSymbol.of("foot", "ft"));
-
- assertEquals(inch.plus(foot), SI.METRE.times(0.3302));
- assertEquals(foot.minus(inch), SI.METRE.times(0.2794));
-
- // test with LinearUnitValue
- final LinearUnitValue value1 = LinearUnitValue.getExact(SI.METRE, 15);
- final LinearUnitValue value2 = LinearUnitValue.getExact(foot, 120);
- final LinearUnitValue value3 = LinearUnitValue.getExact(SI.METRE, 0.5);
- final LinearUnitValue value4 = LinearUnitValue.getExact(SI.KILOGRAM, 60);
-
- // make sure addition is done correctly
- assertEquals(51.576, value1.plus(value2).getValueExact(), 0.001);
- assertEquals(15.5, value1.plus(value3).getValueExact());
- assertEquals(52.076, value1.plus(value2).plus(value3).getValueExact(),
- 0.001);
-
- // make sure addition uses the correct unit, and is still associative
- // (ignoring floating-point rounding errors)
- assertEquals(SI.METRE, value1.plus(value2).getUnit());
- assertEquals(SI.METRE, value1.plus(value2).plus(value3).getUnit());
- assertEquals(foot, value2.plus(value1).getUnit());
- assertTrue(value1.plus(value2).equals(value2.plus(value1), true));
-
- // make sure errors happen when they should
- assertThrows(IllegalArgumentException.class, () -> value1.plus(value4));
- }
-
- @Test
- public void testConversion() {
- final LinearUnit metre = SI.METRE;
- final Unit inch = metre.times(0.0254);
-
- final UnitValue value = UnitValue.of(inch, 75);
-
- assertEquals(1.9, inch.convertTo(metre, 75), 0.01);
- assertEquals(1.9, value.convertTo(metre).getValue(), 0.01);
-
- // try random stuff
- for (int i = 0; i < 1000; i++) {
- // initiate random values
- final double conversionFactor = UnitTest.rng.nextDouble() * 1000000;
- final double testValue = UnitTest.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 LinearUnit metre = SI.METRE;
- final Unit meter = SI.BaseUnits.METRE.asLinearUnit();
-
- assertEquals(metre, meter);
- }
-
- @Test
- public void testIsMetric() {
- final Unit metre = SI.METRE;
- final Unit megasecond = SI.SECOND.withPrefix(SI.MEGA);
- final Unit hour = SI.HOUR;
-
- assertTrue(metre.isMetric());
- assertTrue(megasecond.isMetric());
- assertFalse(hour.isMetric());
- }
-
- @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.JOULE;
-
- 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.METRE.dividedBy(SI.SECOND).dividedBy(3.6);
-
- assertEquals(generatedKPH, actualKPH);
- }
-
- @Test
- public void testPrefixes() {
- final LinearUnit generatedKilometre = SI.METRE.withPrefix(SI.KILO);
- final LinearUnit actualKilometre = SI.METRE.times(1000);
-
- assertEquals(generatedKilometre, actualKilometre);
- }
-}