Initial import

DelphiProjectHandler.Tests/Utilities/MethodRunnerClassTests.cs

@@ -0,0 +1,93 @@
+using System;
+using NUnit.Framework;
+
+namespace DelphiProjectHandler.Tests.Utilities
+{
+    [TestFixture]
+    public class MethodRunnerClassTests
+    {
+        protected class MethodRunnerTester
+        {
+            protected static int Calculate(int iLeft, int iRight, int iMultiplier)
+            {
+                return (iLeft + iRight) * iMultiplier;
+            }
+
+            public MethodRunnerTester(int iOffset)
+            {
+                Offset = iOffset;
+            }
+
+            public int Offset;
+
+            public void VoidFunction(int iLeft, int iRight, ref int ivTotal)
+            {
+                ivTotal = Calculate(iLeft, iRight, 2) + Offset;
+            }
+
+            public int Function(int iLeft, int iRight)
+            {
+                return Calculate(iLeft, iRight, 3) + Offset;
+            }
+
+            public static void StaticVoidFunction(int iLeft, int iRight, ref int ivTotal)
+            {
+                ivTotal = Calculate(iLeft, iRight, 4);
+            }
+
+            public static int StaticFunction(int iLeft, int iRight)
+            {
+                return Calculate(iLeft, iRight, 5);
+            }
+        }
+
+        [Test]
+        public void RunInstanceFunction()
+        {
+            MethodRunnerTester vTester = new MethodRunnerTester(1);
+            int vActual = (int)MethodRunner.RunInstance(vTester, "Function", new object[] { 2, 3 });
+            Assert.AreEqual(16, vActual, "Wrong result for instance function");
+        }
+
+        [Test]
+        public void RunInstanceVoidFunction()
+        {
+            MethodRunnerTester vTester = new MethodRunnerTester(2);
+            int vActual = 0;
+            object[] vParams = new object[] { 2, 3, vActual };
+            MethodRunner.RunInstance(vTester, "VoidFunction", vParams);
+            Assert.AreEqual(12, vParams[2], "Wrong result for void instance function");
+        }
+
+        [Test]
+        public void RunStaticFunction()
+        {
+            int vActual = (int)MethodRunner.RunStatic(typeof(MethodRunnerTester), "StaticFunction", new object[] { 2, 3 });
+            Assert.AreEqual(25, vActual, "Wrong result for instance function");
+        }
+
+        [Test]
+        public void RunStaticVoidFunction()
+        {
+            int vActual = 0;
+            object[] vParams = new object[] { 2, 3, vActual };
+            MethodRunner.RunStatic(typeof(MethodRunnerTester), "StaticVoidFunction", vParams);
+            Assert.AreEqual(20, vParams[2], "Wrong result for instance function");
+        }
+
+        [Test]
+        [ExpectedException(typeof(ArgumentException))]
+        public void RunNonExistingMethod()
+        {
+            MethodRunnerTester vTester = new MethodRunnerTester(1);
+            MethodRunner.RunInstance(vTester, "NonExistingMethod", null);
+        }
+
+        [Test]
+        [ExpectedException(typeof(ArgumentException))]
+        public void RunNonExistingStaticMethod()
+        {
+            MethodRunner.RunStatic(typeof(MethodRunnerTester), "NonExistingMethod", null);
+        }
+    }
+}