Add unit test for scripting features

Source/Engine/Tests/TestScripting.cpp

@@ -0,0 +1,40 @@
+// Copyright (c) 2012-2022 Wojciech Figat. All rights reserved.
+
+#include "TestScripting.h"
+#include "Engine/Scripting/Scripting.h"
+#include <ThirdParty/catch2/catch.hpp>
+
+TestClassNative::TestClassNative(const SpawnParams& params)
+    : ScriptingObject(params)
+{
+}
+
+TEST_CASE("Scripting")
+{
+    SECTION("Test Class")
+    {
+        // Test native class
+        ScriptingTypeHandle type = Scripting::FindScriptingType("FlaxEngine.TestClassNative");
+        CHECK(type == TestClassNative::TypeInitializer);
+        ScriptingObject* object = Scripting::NewObject(type.GetType().ManagedClass);
+        CHECK(object);
+        CHECK(object->Is<TestClassNative>());
+        TestClassNative* testClass = (TestClassNative*)object;
+        CHECK(testClass->SimpleField == 1);
+        int32 methodResult = testClass->Test(TEXT("123"));
+        CHECK(methodResult == 3);
+
+        // Test managed class
+        type = Scripting::FindScriptingType("FlaxEngine.TestClassManaged");
+        CHECK(type);
+        object = Scripting::NewObject(type.GetType().ManagedClass);
+        CHECK(object);
+        CHECK(object->Is<TestClassNative>());
+        testClass = (TestClassNative*)object;
+        MObject* managed = testClass->GetOrCreateManagedInstance(); // Ensure to create C# object and run it's ctor
+        CHECK(managed);
+        CHECK(testClass->SimpleField == 2);
+        methodResult = testClass->Test(TEXT("123"));
+        CHECK(methodResult == 6);
+    }
+}