Adding JoulePerSquareCentimeter and KiloJoulesPerSquareMeter (#608)

Author: ngeslin

Common/UnitDefinitions/Irradiation.json

@@ -13,13 +13,26 @@
       "PluralName": "JoulesPerSquareMeter",
       "FromUnitToBaseFunc": "x",
       "FromBaseToUnitFunc": "x",
+      "Prefixes": [ "Kilo" ],
       "Localization": [
         {
           "Culture": "en-US",
           "Abbreviations": [ "J/m²" ]
         }
       ]
     },
+    {
+      "SingularName": "JoulePerSquareCentimeter",
+      "PluralName": "JoulesPerSquareCentimeter",
+      "FromUnitToBaseFunc": "x*1e4",
+      "FromBaseToUnitFunc": "x/1e4",
+      "Localization": [
+        {
+          "Culture": "en-US",
+          "Abbreviations": [ "J/cm²" ]
+        }
+      ]
+    },
     {
       "SingularName": "JoulePerSquareMillimeter",
       "PluralName": "JoulesPerSquareMillimeter",

UnitsNet.Tests/CustomCode/IrradiationTests.cs

@@ -47,6 +47,10 @@ public class IrradiationTests : IrradiationTestsBase
     {
         protected override double JoulesPerSquareMeterInOneJoulePerSquareMeter => 1;
 
+        protected override double KilojoulesPerSquareMeterInOneJoulePerSquareMeter => 1E-3;
+
+        protected override double JoulesPerSquareCentimeterInOneJoulePerSquareMeter => 1E-4;
+
         protected override double JoulesPerSquareMillimeterInOneJoulePerSquareMeter => 1E-6;
 
         protected override double WattHoursPerSquareMeterInOneJoulePerSquareMeter => 2.777777777777778e-4;