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);
+    }
+}

Source/Engine/Tests/TestScripting.cs

@@ -0,0 +1,23 @@
+// Copyright (c) 2012-2022 Wojciech Figat. All rights reserved.
+
+#if FLAX_TESTS
+namespace FlaxEngine
+{
+    /// <summary>
+    /// Test class.
+    /// </summary>
+    public class TestClassManaged : TestClassNative
+    {
+        TestClassManaged()
+        {
+            SimpleField = 2;
+        }
+
+        /// <inheritdoc />
+        public override int Test(string str)
+        {
+            return str.Length + base.Test(str);
+        }
+    }
+}
+#endif

Source/Engine/Tests/TestScripting.h

@@ -0,0 +1,23 @@
+// Copyright (c) 2012-2022 Wojciech Figat. All rights reserved.
+
+#pragma once
+
+#include "Engine/Core/ISerializable.h"
+#include "Engine/Scripting/ScriptingObject.h"
+
+// Test class.
+API_CLASS() class TestClassNative : public ScriptingObject, public ISerializable
+{
+    API_AUTO_SERIALIZATION();
+    DECLARE_SCRIPTING_TYPE(TestClassNative);
+
+public:
+    // Test value
+    API_FIELD() int32 SimpleField = 1;
+
+    // Test virtual method
+    API_FUNCTION() virtual int32 Test(const String& str)
+    {
+        return str.Length();
+    }
+};

Source/FlaxTests.Build.cs

@@ -45,6 +45,8 @@ public class FlaxTestsTarget : FlaxEditor
     {
         base.SetupTargetEnvironment(options);
 
+        options.ScriptingAPI.Defines.Add("FLAX_TESTS");
+
         // Produce console program
         options.LinkEnv.LinkAsConsoleProgram = true;
     }