diff options
Diffstat (limited to 'src/test/java/sevenUnits/unit/UnitTest.java')
| -rw-r--r-- | src/test/java/sevenUnits/unit/UnitTest.java | 135 |
1 files changed, 32 insertions, 103 deletions
diff --git a/src/test/java/sevenUnits/unit/UnitTest.java b/src/test/java/sevenUnits/unit/UnitTest.java index c93043b..fb21723 100644 --- a/src/test/java/sevenUnits/unit/UnitTest.java +++ b/src/test/java/sevenUnits/unit/UnitTest.java @@ -1,5 +1,5 @@ /** - * Copyright (C) 2018 Adrien Hopkins + * Copyright (C) 2018, 2021, 2022, 2024, 2025 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 @@ -21,7 +21,6 @@ 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.math.RoundingMode; import java.util.Random; import java.util.concurrent.ThreadLocalRandom; @@ -29,12 +28,11 @@ import org.junit.jupiter.api.Test; import sevenUnits.utils.DecimalComparison; import sevenUnits.utils.NameSymbol; -import sevenUnits.utils.UncertainDouble; /** * 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 @@ -45,21 +43,25 @@ class UnitTest { @Test public void testAdditionAndSubtraction() { - final LinearUnit inch = Metric.METRE.times(0.0254) + final var inch = Metric.METRE.times(0.0254) .withName(NameSymbol.of("inch", "in")); - final LinearUnit foot = Metric.METRE.times(0.3048) + final var foot = Metric.METRE.times(0.3048) .withName(NameSymbol.of("foot", "ft")); - assertEquals(inch.plus(foot), Metric.METRE.times(0.3302)); - assertEquals(foot.minus(inch), Metric.METRE.times(0.2794)); + assertTrue( + inch.plus(foot).equalsApproximately(Metric.METRE.times(0.3302)), + String.format("Expected: %s, Actual: %s", inch.plus(foot), + Metric.METRE.times(0.3302))); + assertTrue( + foot.minus(inch).equalsApproximately(Metric.METRE.times(0.2794)), + String.format("Expected: %s, Actual: %s", foot.minus(inch), + Metric.METRE.times(0.2794))); // test with LinearUnitValue - final LinearUnitValue value1 = LinearUnitValue.getExact(Metric.METRE, 15); - final LinearUnitValue value2 = LinearUnitValue.getExact(foot, 120); - final LinearUnitValue value3 = LinearUnitValue.getExact(Metric.METRE, - 0.5); - final LinearUnitValue value4 = LinearUnitValue.getExact(Metric.KILOGRAM, - 60); + final var value1 = LinearUnitValue.getExact(Metric.METRE, 15); + final var value2 = LinearUnitValue.getExact(foot, 120); + final var value3 = LinearUnitValue.getExact(Metric.METRE, 0.5); + final var value4 = LinearUnitValue.getExact(Metric.KILOGRAM, 60); // make sure addition is done correctly assertEquals(51.576, value1.plus(value2).getValueExact(), 0.001); @@ -81,24 +83,24 @@ class UnitTest { @Test public void testConversion() { - final LinearUnit metre = Metric.METRE; + final var metre = Metric.METRE; final Unit inch = metre.times(0.0254); - final UnitValue value = UnitValue.of(inch, 75); + final var 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++) { + for (var 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; + final var conversionFactor = UnitTest.rng.nextDouble() * 1000000; + final var testValue = UnitTest.rng.nextDouble() * 1000000; + final var expected = testValue * conversionFactor; // test final Unit unit = Metric.METRE.times(conversionFactor); - final double actual = unit.convertToBase(testValue); + final var actual = unit.convertToBase(testValue); assertEquals(actual, expected, expected * DecimalComparison.DOUBLE_EPSILON); @@ -107,7 +109,7 @@ class UnitTest { @Test public void testEquals() { - final LinearUnit metre = Metric.METRE; + final var metre = Metric.METRE; final Unit meter = Metric.BaseUnits.METRE.asLinearUnit(); assertEquals(metre, meter); @@ -127,19 +129,19 @@ class UnitTest { @Test public void testMultiplicationAndDivision() { // test unit-times-unit multiplication - final LinearUnit generatedJoule = Metric.KILOGRAM + final var generatedJoule = Metric.KILOGRAM .times(Metric.METRE.toExponent(2)) .dividedBy(Metric.SECOND.toExponent(2)); - final LinearUnit actualJoule = Metric.JOULE; + final var actualJoule = Metric.JOULE; assertEquals(generatedJoule, actualJoule); // test multiplication by conversion factors - final LinearUnit kilometre = Metric.METRE.times(1000); - final LinearUnit hour = Metric.SECOND.times(3600); - final LinearUnit generatedKPH = kilometre.dividedBy(hour); + final var kilometre = Metric.METRE.times(1000); + final var hour = Metric.SECOND.times(3600); + final var generatedKPH = kilometre.dividedBy(hour); - final LinearUnit actualKPH = Metric.METRE.dividedBy(Metric.SECOND) + final var actualKPH = Metric.METRE.dividedBy(Metric.SECOND) .dividedBy(3.6); assertEquals(generatedKPH, actualKPH); @@ -147,82 +149,9 @@ class UnitTest { @Test public void testPrefixes() { - final LinearUnit generatedKilometre = Metric.METRE - .withPrefix(Metric.KILO); - final LinearUnit actualKilometre = Metric.METRE.times(1000); + final var generatedKilometre = Metric.METRE.withPrefix(Metric.KILO); + final var actualKilometre = Metric.METRE.times(1000); assertEquals(generatedKilometre, actualKilometre); } - - /** - * Tests converting an uncertain LinearUnitValue to a string. - * - * @since 2021-11-04 - */ - @Test - public void testValueToString1() { - final LinearUnitValue value = LinearUnitValue.of(Metric.METRE, - UncertainDouble.of(10, 0.24)); - - assertEquals("(10.0 � 0.2) m", value.toString()); - assertEquals("(10.0 � 0.2) m", - value.toString(true, RoundingMode.HALF_EVEN)); - assertEquals("10.0 m", value.toString(false, RoundingMode.HALF_EVEN)); - } - - /** - * Tests converting a certain LinearUnitValue to a string. - * - * @since 2021-11-04 - */ - @Test - public void testValueToString2() { - final LinearUnitValue value = LinearUnitValue.of(Metric.METRE, - UncertainDouble.of(10, 0)); - - assertEquals("10.0 m", value.toString()); - assertEquals("(10.0 � 0.0) m", - value.toString(true, RoundingMode.HALF_EVEN)); - assertEquals("10.0 m", value.toString(false, RoundingMode.HALF_EVEN)); - } - - /** - * Tests converting an unnamed LinearUnitValue to a string. - * - * @since 2021-11-04 - */ - @Test - public void testValueToString3() { - final LinearUnitValue value = LinearUnitValue.of( - Metric.METRE.withName(NameSymbol.EMPTY), - UncertainDouble.of(10, 0.24)); - - assertEquals("10.0 unnamed unit (= 10.0 m)", - value.toString(false, RoundingMode.HALF_EVEN)); - } - - /** - * Tests converting a named UnitValue to a string. - * - * @since 2021-11-04 - */ - @Test - public void testValueToString4() { - final UnitValue value = UnitValue.of(BritishImperial.FAHRENHEIT, 80); - - assertEquals("80.0 \u00B0F", value.toString()); - } - - /** - * Tests converting an unnamed UnitValue to a string. - * - * @since 2021-11-04 - */ - @Test - public void testValueToString5() { - final UnitValue value = UnitValue - .of(USCustomary.FAHRENHEIT.withName(NameSymbol.EMPTY), 50); - - assertEquals("50.0 unnamed unit (= 283.15 K)", value.toString()); - } } |