Feature: Add LapseRate extensions

UnitsNet.Tests/CustomCode/LapseRateTests.cs

@@ -41,11 +41,40 @@
 
 
 using System;
+using Xunit;
 
 namespace UnitsNet.Tests.CustomCode
 {
     public class LapseRateTests : LapseRateTestsBase
     {
         protected override double DegreesCelciusPerKilometerInOneDegreeCelsiusPerKilometer => 1e0;
+
+        [Fact]
+        public void TemperatureDeltaDividedByLapseRateEqualsLength()
+        {
+            Length length = TemperatureDelta.FromDegreesCelsiusDelta(50) / LapseRate.FromDegreesCelciusPerKilometer(5);
+            Assert.Equal(length, Length.FromKilometers(10));
+        }
+
+        [Fact]
+        public void TemperatureDeltaDividedByLengthEqualsLapseRate()
+        {
+            LapseRate lapseRate = TemperatureDelta.FromDegreesCelsiusDelta(50) / Length.FromKilometers(10);
+            Assert.Equal(lapseRate, LapseRate.FromDegreesCelciusPerKilometer(5));
+        }
+
+        [Fact]
+        public void LengthMultipliedByLapseRateEqualsTemperatureDelta()
+        {
+            TemperatureDelta temperatureDelta = Length.FromKilometers(10) * LapseRate.FromDegreesCelciusPerKilometer(5);
+            Assert.Equal(temperatureDelta, TemperatureDelta.FromDegreesCelsiusDelta(50));
+        }
+
+        [Fact]
+        public void LapseRateMultipliedByLengthEqualsTemperatureDelta()
+        {
+            TemperatureDelta temperatureDelta = LapseRate.FromDegreesCelciusPerKilometer(5) * Length.FromKilometers(10);
+            Assert.Equal(temperatureDelta, TemperatureDelta.FromDegreesCelsiusDelta(50));
+        }
     }
 }

UnitsNet/CustomCode/Quantities/LapseRate.extra.cs

@@ -0,0 +1,48 @@
+// Copyright (c) 2013 Andreas Gullberg Larsen ([email protected]).
+// https://github.com/angularsen/UnitsNet
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+namespace UnitsNet
+{
+    // Windows Runtime Component has constraints on public types: https://msdn.microsoft.com/en-us/library/br230301.aspx#Declaring types in Windows Runtime Components
+    // Public structures can't have any members other than public fields, and those fields must be value types or strings.
+    // Public classes must be sealed (NotInheritable in Visual Basic). If your programming model requires polymorphism, you can create a public interface and implement that interface on the classes that must be polymorphic.
+#if WINDOWS_UWP
+    public sealed partial class LapseRate
+#else
+    public partial struct LapseRate
+#endif
+    {
+        // Windows Runtime Component does not allow operator overloads: https://msdn.microsoft.com/en-us/library/br230301.aspx
+#if !WINDOWS_UWP
+        public static Length operator /(TemperatureDelta left, LapseRate right)
+        {
+            return Length.FromKilometers(left.KelvinsDelta / right.DegreesCelciusPerKilometer);
+        }
+
+        public static TemperatureDelta operator *(Length left, LapseRate right) => right * left;
+
+        public static TemperatureDelta operator *(LapseRate left, Length right)
+        {
+            return TemperatureDelta.FromDegreesCelsiusDelta(left.DegreesCelciusPerKilometer * right.Kilometers);
+        }
+#endif
+    }
+}

UnitsNet/CustomCode/Quantities/TemperatureDelta.extra.cs

@@ -0,0 +1,43 @@
+// Copyright (c) 2013 Andreas Gullberg Larsen ([email protected]).
+// https://github.com/angularsen/UnitsNet
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+using UnitsNet.Units;
+
+namespace UnitsNet
+{
+    // Windows Runtime Component has constraints on public types: https://msdn.microsoft.com/en-us/library/br230301.aspx#Declaring types in Windows Runtime Components
+    // Public structures can't have any members other than public fields, and those fields must be value types or strings.
+    // Public classes must be sealed (NotInheritable in Visual Basic). If your programming model requires polymorphism, you can create a public interface and implement that interface on the classes that must be polymorphic.
+#if WINDOWS_UWP
+    public sealed partial class TemperatureDelta
+#else
+    public partial struct TemperatureDelta
+#endif
+    {
+        // Windows Runtime Component does not allow operator overloads: https://msdn.microsoft.com/en-us/library/br230301.aspx
+#if !WINDOWS_UWP
+        public static LapseRate operator /(TemperatureDelta left, Length right)
+        {
+            return LapseRate.FromDegreesCelciusPerKilometer(left.DegreesCelsiusDelta / right.Kilometers);
+        }
+#endif
+    }
+}

UnitsNet/GeneratedCode/UnitSystem.Default.g.cs

@@ -1526,7 +1526,7 @@ private static readonly ReadOnlyCollection<UnitLocalization> DefaultLocalization
                         new CulturesForEnumValue((int) LapseRateUnit.DegreeCelsiusPerKilometer,
                             new[]
                             {
-                                new AbbreviationsForCulture("en-US", "°C/m"),
+                                new AbbreviationsForCulture("en-US", "∆°C/km"),
                             }),
                     }),
                 new UnitLocalization(typeof (LengthUnit),

UnitsNet/UnitDefinitions/LapseRate.json

@@ -11,7 +11,7 @@
       "Localization": [
         {
           "Culture": "en-US",
-          "Abbreviations": [ "°C/m" ]
+          "Abbreviations": [ "∆°C/km" ]
         }
       ]
     }