Viewer of IsoFields is added

StructureHelperTests/FieldsVisualizerTests/ColorOperationTests/GetColorByValueTest.cs

@@ -0,0 +1,46 @@
+using FieldVisualizer.Entities.ColorMaps;
+using FieldVisualizer.Entities.ColorMaps.Factories;
+using FieldVisualizer.Entities.Values;
+using FieldVisualizer.InfraStructures.Enums;
+using FieldVisualizer.Services.ColorServices;
+using NUnit.Framework;
+using System.Windows.Media;
+
+namespace StructureHelperTests.FieldsVisualizerTests.ColorOperationTests
+{
+    public class GetColorByValueTest
+    {
+        private IColorMap FullSpectrum;
+        private IValueRange valueRange;
+
+        [SetUp]
+        public void Setup()
+        {
+            FullSpectrum = ColorMapFactory.GetColorMap(ColorMapsTypes.FullSpectrum);
+            valueRange = new ValueRange() { BottomValue = 0, TopValue = 100 };
+        }
+
+        [TestCase(-10, 255, 128, 128, 128)] //Gray as less than minimum
+        [TestCase(0, 255, 255, 128, 128)]
+        [TestCase(50, 255, 255, 255, 0)]
+        [TestCase(100, 255, 0, 0, 255)]//Blue
+        [TestCase(110, 255,128, 128, 128)] //Gray as greater than maximum
+        public void Run_ShouldPass(double val, int expectedA, int expectedR, int expectedG, int expectedB)
+        {
+            //Arrange
+
+            //Act
+            var result = ColorOperations.GetColorByValue(valueRange, FullSpectrum, val);
+            var actualA = result.A;
+            var actualR = result.R;
+            var actualG = result.G;
+            var actualB = result.B;
+            //Assert
+            Assert.NotNull(result);
+            Assert.AreEqual(expectedA, actualA);
+            Assert.AreEqual(expectedR, actualR);
+            Assert.AreEqual(expectedG, actualG);
+            Assert.AreEqual(expectedB, actualB);
+        }
+    }
+}