Добавил тесты

LR1/AppTesting.Tests/ArrayProcTests.cs

@@ -0,0 +1,44 @@
+using Xunit;
+
+namespace AppTesting
+{
+    public class ArrayProcTests
+    {
+        // Путь 1
+
+        [Fact]
+        public void ArrayProc_Way_1_1()
+        {
+            double[] input = new double[0];
+            var result = Program.ArrayProc(input);
+            Assert.Null(result);
+        }
+
+        [Fact]
+        public void ArrayProc_Way_1_2()
+        {
+            double[] input = new double[] { 5.0 };
+            var result = Program.ArrayProc(input);
+            Assert.Null(result);
+        }
+
+        [Fact]
+        public void ArrayProc_Way_1_3()
+        {
+            double[] input = new double[] { 1.0, 2.0, 3.0, 4.0, 5.0 };
+            var result = Program.ArrayProc(input);
+            Assert.Null(result);
+        }
+
+        [Theory]
+        [InlineData(new double[] { })]
+        [InlineData(new double[] { 10.0 })]
+        [InlineData(new double[] { 1.0, 2.0, 3.0 })]
+        [InlineData(new double[] { 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0 })]
+        public void ArrayProc_Way_1_4(double[] input)
+        {
+            var result = Program.ArrayProc(input);
+            Assert.Null(result);
+        }
+    }
+}