Relative and absolute equality

UnitsNet.Tests/AssertEx.cs

@@ -1,4 +1,5 @@
-using Xunit;
+using System;
+using Xunit;
 
 namespace UnitsNet.Tests
 {
@@ -7,9 +8,22 @@ namespace UnitsNet.Tests
     /// </summary>
     public static class AssertEx
     {
-        public static void EqualTolerance(double expected, double actual, double tolerance)
+        public static void EqualTolerance(double expected, double actual, double tolerance, ComparisonType comparisonType = ComparisonType.Relative)
         {
-            Assert.True(actual >= expected - tolerance && actual <= expected + tolerance, $"Values are not equal within tolerance: {tolerance}\nExpected: {expected}\nActual: {actual}\nDiff: {actual - expected:e}");
+            if(comparisonType == ComparisonType.Relative)
+            {
+                bool areEqual = UnitsNet.Comparison.EqualsRelative(expected, actual, tolerance);
+
+                double difference = Math.Abs(expected - actual);
+                double relativeDifference = difference / expected;
+
+                Assert.True( areEqual, $"Values are not equal within relative tolerance: {tolerance:P4}\nExpected: {expected}\nActual: {actual}\nDiff: {relativeDifference:P4}" );
+            }
+            else if( comparisonType == ComparisonType.Absolute )
+            {
+                bool areEqual = UnitsNet.Comparison.EqualsAbsolute(expected, actual, tolerance);
+                Assert.True( areEqual, $"Values are not equal within absolute tolerance: {tolerance}\nExpected: {expected}\nActual: {actual}\nDiff: {actual - expected:e}" );
+            }
         }
     }
 }

UnitsNet.Tests/CustomCode/AccelerationTests.cs

@@ -39,7 +39,7 @@ public class AccelerationTests : AccelerationTestsBase
 
         protected override double NanometersPerSecondSquaredInOneMeterPerSecondSquared => 1E9;
 
-        protected override double StandardGravityInOneMeterPerSecondSquared => 0.1019727;
+        protected override double StandardGravityInOneMeterPerSecondSquared => 1.019716212977928e-1;
 
         protected override double InchesPerSecondSquaredInOneMeterPerSecondSquared => 39.3700787;
 

UnitsNet.Tests/CustomCode/AngleTests.cs

@@ -52,7 +52,7 @@ public class AngleTests : AngleTestsBase
 
         protected override double ArcsecondsInOneDegree => 3600.0;
 
-        protected override double RevolutionsInOneDegree => 2.77E-3;
+        protected override double RevolutionsInOneDegree => 2.777777777777777e-3;
 
         [Fact]
         public void AngleDividedByDurationEqualsRotationalSpeed()

UnitsNet.Tests/CustomCode/DurationTests.cs

@@ -36,19 +36,19 @@ public class DurationTests : DurationTestsBase
 
         protected override double MinutesInOneSecond => 0.0166667;
 
-        protected override double MonthsInOneSecond => 3.8027e-7;
+        protected override double MonthsInOneSecond => 3.858024691358024e-7;
 
-        protected override double Months30InOneSecond => 3.85802469135e-7;
+        protected override double Months30InOneSecond => 3.858024691358024e-7;
 
         protected override double NanosecondsInOneSecond => 1e+9;
 
         protected override double SecondsInOneSecond => 1;
 
-        protected override double WeeksInOneSecond => 1.6534e-6;
+        protected override double WeeksInOneSecond => 1.653439153439153e-6;
 
-        protected override double YearsInOneSecond => 3.1689e-8;
+        protected override double YearsInOneSecond => 3.170979198376458e-8;
 
-        protected override double Years365InOneSecond => 3.170979198376e-8;
+        protected override double Years365InOneSecond => 3.170979198376458e-8;
 
         [Fact]
         public static void ToTimeSpanShouldThrowExceptionOnValuesLargerThanTimeSpanMax()

UnitsNet.Tests/CustomCode/EnergyTests.cs

@@ -24,7 +24,7 @@ namespace UnitsNet.Tests.CustomCode
     public class EnergyTests : EnergyTestsBase
     {
         // TODO Override properties in base class here
-        protected override double ThermsImperialInOneJoule => 9.478171203551087813109937767482e-15;
+        protected override double ThermsImperialInOneJoule => 9.478171203551087813109937767482e-9;
 
         protected override double JoulesInOneJoule => 1;
 
@@ -40,11 +40,11 @@ public class EnergyTests : EnergyTestsBase
 
         protected override double CaloriesInOneJoule => 0.239005736;
 
-        protected override double DecathermsEcInOneJoule => 9.47816988e-10;
+        protected override double DecathermsEcInOneJoule => 9.478171203133172e-10;
 
-        protected override double DecathermsImperialInOneJoule => 9.478171203551087813109937767482e-15;
+        protected override double DecathermsImperialInOneJoule => 9.478171203551087813109937767482e-10;
 
-        protected override double DecathermsUsInOneJoule => 9.4804342797334860315281322406817e-10;
+        protected override double DecathermsUsInOneJoule => 9.480434279733486e-10;
 
         protected override double ElectronVoltsInOneJoule => 6.241509343260179e18;
 
@@ -68,4 +68,4 @@ public class EnergyTests : EnergyTestsBase
 
         protected override double WattHoursInOneJoule => 0.000277777778;
     }
-}
+}

UnitsNet.Tests/CustomCode/ForceTests.cs

@@ -41,7 +41,7 @@ public class ForceTests : ForceTestsBase
 
         protected override double PoundsForceInOneNewton => 0.22481;
 
-        protected override double TonnesForceInOneNewton => 1.02e-4;
+        protected override double TonnesForceInOneNewton => 1.019716212977928e-4;
 
         [Fact]
         public void ForceDividedByAreaEqualsPressure()

UnitsNet.Tests/CustomCode/IrradiationTests.cs

@@ -48,8 +48,8 @@ public class IrradiationTests : IrradiationTestsBase
     {
         protected override double JoulesPerSquareMeterInOneJoulePerSquareMeter => 1;
 
-        protected override double WattHoursPerSquareMeterInOneJoulePerSquareMeter => 2.78E-04;
+        protected override double WattHoursPerSquareMeterInOneJoulePerSquareMeter => 2.777777777777778e-4;
 
-        protected override double KilowattHoursPerSquareMeterInOneJoulePerSquareMeter => 2.78E-07;
+        protected override double KilowattHoursPerSquareMeterInOneJoulePerSquareMeter => 2.777777777777778e-7;
     }
 }

UnitsNet.Tests/CustomCode/MassTests.cs

@@ -42,11 +42,11 @@ public class MassTests : MassTestsBase
 
         protected override double KilotonnesInOneKilogram => 1E-6;
 
-        protected override double LongTonsInOneKilogram => 0.000984207;
+        protected override double LongTonsInOneKilogram => 9.842065276110606e-4;
 
         protected override double MegapoundsInOneKilogram => 2.2046226218487757e-6;
 
-        protected override double MegatonnesInOneKilogram => 1E-6;
+        protected override double MegatonnesInOneKilogram => 1E-9;
 
         protected override double MicrogramsInOneKilogram => 1E9;
 
@@ -60,7 +60,7 @@ public class MassTests : MassTestsBase
 
         protected override double PoundsInOneKilogram => 2.2046226218487757d;
 
-        protected override double ShortTonsInOneKilogram => 0.00110231;
+        protected override double ShortTonsInOneKilogram => 1.102311310924388e-3;
 
         protected override double StoneInOneKilogram => 0.1574731728702698;
 
@@ -105,4 +105,4 @@ public void MassTimesAccelerationEqualsForce()
             Assert.Equal(force, Force.FromNewtons(54));
         }
     }
-}
+}

UnitsNet.Tests/CustomCode/PressureTests.cs

@@ -30,11 +30,11 @@ public class PressureTests : PressureTestsBase
 
         protected override double BarsInOnePascal => 1E-5;
 
-        protected override double KilogramsForcePerSquareCentimeterInOnePascal => 0.101971621e-5;
+        protected override double KilogramsForcePerSquareCentimeterInOnePascal => 1.019716212977928e-5;
 
         protected override double KilogramsForcePerSquareMeterInOnePascal => 0.101971621;
 
-        protected override double KilogramsForcePerSquareMillimeterInOnePascal => 0.101971621e-7;
+        protected override double KilogramsForcePerSquareMillimeterInOnePascal => 1.019716212977928e-7;
 
         protected override double KilonewtonsPerSquareCentimeterInOnePascal => 1e-7;
 
@@ -44,9 +44,9 @@ public class PressureTests : PressureTestsBase
 
         protected override double KilopascalsInOnePascal => 1e-3;
 
-        protected override double KilopoundsForcePerSquareFootInOnePascal => 2.089e-5;
+        protected override double KilopoundsForcePerSquareFootInOnePascal => 2.088543423315013e-5;
 
-        protected override double KilopoundsForcePerSquareInchInOnePascal => 1.45e-7;
+        protected override double KilopoundsForcePerSquareInchInOnePascal => 1.450377377302092e-7;
 
         protected override double MegapascalsInOnePascal => 1E-6;
 
@@ -64,17 +64,17 @@ public class PressureTests : PressureTestsBase
 
         protected override double PoundsForcePerSquareFootInOnePascal => 0.0208854342;
 
-        protected override double PoundsForcePerSquareInchInOnePascal => 0.000145037737730209;
+        protected override double PoundsForcePerSquareInchInOnePascal => 1.450377377302092e-4;
 
-        protected override double PsiInOnePascal => 1.450377*1E-4;
+        protected override double PsiInOnePascal => 1.450377377302092e-4;
 
         protected override double TechnicalAtmospheresInOnePascal => 1.0197*1E-5;
 
-        protected override double TonnesForcePerSquareCentimeterInOnePascal => 1e-8;
+        protected override double TonnesForcePerSquareCentimeterInOnePascal => 1.019716212977928e-8;
 
-        protected override double TonnesForcePerSquareMeterInOnePascal => 1e-4;
+        protected override double TonnesForcePerSquareMeterInOnePascal => 1.019716212977928e-4;
 
-        protected override double TonnesForcePerSquareMillimeterInOnePascal => 1e-10;
+        protected override double TonnesForcePerSquareMillimeterInOnePascal => 1.019716212977928e-10;
 
         protected override double TorrsInOnePascal => 7.5006*1E-3;
 

UnitsNet.Tests/CustomCode/SpecificWeightTests.cs

@@ -25,37 +25,37 @@ namespace UnitsNet.Tests.CustomCode
 {
     public class SpecificWeightTests : SpecificWeightTestsBase
     {
-        protected override double KilogramsForcePerCubicCentimeterInOneNewtonPerCubicMeter => 0.101971621e-7;
+        protected override double KilogramsForcePerCubicCentimeterInOneNewtonPerCubicMeter => 1.019716212977928e-7;
 
         protected override double KilogramsForcePerCubicMeterInOneNewtonPerCubicMeter => 0.101971621;
 
-        protected override double KilogramsForcePerCubicMillimeterInOneNewtonPerCubicMeter => 0.101971621e-10;
+        protected override double KilogramsForcePerCubicMillimeterInOneNewtonPerCubicMeter => 1.019716212977928e-10;
 
         protected override double KilonewtonsPerCubicCentimeterInOneNewtonPerCubicMeter => 1e-9;
 
         protected override double KilonewtonsPerCubicMeterInOneNewtonPerCubicMeter => 1e-3;
 
         protected override double KilonewtonsPerCubicMillimeterInOneNewtonPerCubicMeter => 1e-12;
 
-        protected override double KilopoundsForcePerCubicFootInOneNewtonPerCubicMeter => 6.366e-6;
+        protected override double KilopoundsForcePerCubicFootInOneNewtonPerCubicMeter => 6.365880354264159e-6;
 
-        protected override double KilopoundsForcePerCubicInchInOneNewtonPerCubicMeter => 3.684e-9;
+        protected override double KilopoundsForcePerCubicInchInOneNewtonPerCubicMeter => 3.683958538347314e-9;
 
         protected override double NewtonsPerCubicCentimeterInOneNewtonPerCubicMeter => 1e-6;
 
         protected override double NewtonsPerCubicMeterInOneNewtonPerCubicMeter => 1;
 
         protected override double NewtonsPerCubicMillimeterInOneNewtonPerCubicMeter => 1e-9;
 
-        protected override double PoundsForcePerCubicFootInOneNewtonPerCubicMeter => 0.006366;
+        protected override double PoundsForcePerCubicFootInOneNewtonPerCubicMeter => 6.365880354264159e-3;
 
-        protected override double PoundsForcePerCubicInchInOneNewtonPerCubicMeter => 3.684e-6;
+        protected override double PoundsForcePerCubicInchInOneNewtonPerCubicMeter => 3.683958538347314e-6;
 
-        protected override double TonnesForcePerCubicCentimeterInOneNewtonPerCubicMeter => 1.02e-13;
+        protected override double TonnesForcePerCubicCentimeterInOneNewtonPerCubicMeter => 1.019716212977928e-10;
 
-        protected override double TonnesForcePerCubicMeterInOneNewtonPerCubicMeter => 1.02e-4;
+        protected override double TonnesForcePerCubicMeterInOneNewtonPerCubicMeter => 1.019716212977928e-4;
 
-        protected override double TonnesForcePerCubicMillimeterInOneNewtonPerCubicMeter => 1.02e-10;
+        protected override double TonnesForcePerCubicMillimeterInOneNewtonPerCubicMeter => 1.019716212977928e-13;
 
         protected override double MeganewtonsPerCubicMeterInOneNewtonPerCubicMeter => 1e-6;
 

UnitsNet.Tests/CustomCode/TorqueTests.cs

@@ -43,13 +43,13 @@ public class TorqueTests : TorqueTestsBase
 
         protected override double KilonewtonMillimetersInOneNewtonMeter => 1;
 
-        protected override double MegapoundForceFeetInOneNewtonMeter => 7.376e-7;
+        protected override double MegapoundForceFeetInOneNewtonMeter => 7.375621492772654e-7;
 
-        protected override double KilopoundForceFeetInOneNewtonMeter => 7.376e-4;
+        protected override double KilopoundForceFeetInOneNewtonMeter => 7.375621492772654e-4;
 
-        protected override double MegapoundForceInchesInOneNewtonMeter => 8.8516E-6;
+        protected override double MegapoundForceInchesInOneNewtonMeter => 8.850745791327184e-6;
 
-        protected override double KilopoundForceInchesInOneNewtonMeter => 8.8516E-3;
+        protected override double KilopoundForceInchesInOneNewtonMeter => 8.850745791327184e-3;
 
         protected override double NewtonCentimetersInOneNewtonMeter => 100;
 
@@ -81,4 +81,4 @@ public void TorqueDividedByLengthEqualsForce()
             Assert.Equal(force, Force.FromNewtons(2));
         }
     }
-}
+}

UnitsNet.Tests/CustomCode/VolumeTests.cs

@@ -40,7 +40,7 @@ public class VolumeTests : VolumeTestsBase
 
         protected override double CubicMetersInOneCubicMeter => 1;
 
-        protected override double CubicMilesInOneCubicMeter => 3.86102*1E-7;
+        protected override double CubicMilesInOneCubicMeter => 2.399127585789277e-10;
 
         protected override double CubicMillimetersInOneCubicMeter => 1E9;
 

UnitsNet.Tests/QuantityTests.ToString.cs

@@ -28,7 +28,7 @@ namespace UnitsNet.Tests
     [Collection(nameof(UnitSystemFixture))]
     public partial class QuantityTests
     {
-        public class ToString
+        public class ToStringTests
         {
             [Fact]
             public void CreatedByDefaultCtor_ReturnsValueInBaseUnit()