Fix inheriting from TypeReference backed interop type

Jint.Tests.Test262/Jint.Tests.Test262.csproj

@@ -5,6 +5,7 @@
     <AssemblyOriginatorKeyFile>..\Jint\Jint.snk</AssemblyOriginatorKeyFile>
     <SignAssembly>true</SignAssembly>
     <IsPackable>false</IsPackable>
+    <NoWarn>$(NoWarn);CS8002</NoWarn>
   </PropertyGroup>
   <ItemGroup>
     <ProjectReference Include="..\Jint\Jint.csproj" />

Jint.Tests/Runtime/GenericMethodTests.cs

@@ -79,6 +79,7 @@ public void TestFancyGenericFail()
     // we _may_ be able to address this by simply instantiating generic types using System.Object for the generic arguments
     // This test currently generates the following error:
     // No public methods with the specified arguments were found.
+    [Fact(Skip = "not supported yet")]
     public void TestGenericClassDeriveFromGenericInterface()
     {
         var engine = new Engine(cfg => cfg.AllowClr(typeof(OpenGenericTest<>).Assembly));
@@ -206,17 +207,15 @@ public static bool SelectInvoked
             private set;
         }
 
-        TState _stateSubject;
-
         public ReduxStore()
         {
             SelectInvoked = false;
         }
 
-        public IObservable<TResult> Select<TResult>(ISelectorWithoutProps<TState, TResult> selector, string? optionsStr = null)
+        public IObservable<TResult> Select<TResult>(ISelectorWithoutProps<TState, TResult> selector, string optionsStr = null)
         {
             SelectInvoked = true;
-            return selector.Apply(_stateSubject);
+            return selector.Apply(null);
         }
     }
 

Jint.Tests/Runtime/InteropTests.cs

@@ -789,20 +789,64 @@ public void CanUseDelegateAsFunction()
         [Fact]
         public void JavaScriptClassCanExtendClrType()
         {
-            var engine = new Engine();
-            engine.SetValue("TestClass", TypeReference.CreateTypeReference<TestClass>(engine));
+            _engine.SetValue("TestClass", TypeReference.CreateTypeReference<TestClass>(_engine));
+
+            _engine.Execute("class ExtendedType extends TestClass { constructor() { super(); this.a = 1; } get aProp() { return 'A'; } }");
+            _engine.Execute("class MyExtendedType extends ExtendedType { constructor() { super(); this.b = 2; } get bProp() { return 'B'; } }");
+            _engine.Evaluate("let obj = new MyExtendedType();");
 
-            engine.Execute("class ExtendedType extends TestClass { constructor() { super(); this.a = 1; } }");
-            engine.Execute("class MyExtendedType extends ExtendedType { constructor() { super(); this.b = 2; } }");
-            engine.Evaluate("let obj = new MyExtendedType();");
+            _engine.Evaluate("obj.setString('Hello World!');");
 
-            engine.Evaluate("obj.setString('Hello World!');");
+            Assert.Equal("Hello World!", _engine.Evaluate("obj.string"));
+            Assert.Equal(1, _engine.Evaluate("obj.a"));
+            Assert.Equal(2, _engine.Evaluate("obj.b"));
 
-            Assert.Equal("Hello World!", engine.Evaluate("obj.string"));
-            Assert.Equal(1, engine.Evaluate("obj.a"));
-            Assert.Equal(2, engine.Evaluate("obj.b"));
+            Assert.Equal("A", _engine.Evaluate("obj.aProp"));
+            Assert.Equal("B", _engine.Evaluate("obj.bProp"));
+
+            // TODO we should have a special prototype based on wrapped type so we could differentiate between own and type properties 
+            // Assert.Equal("[\"a\"]", _engine.Evaluate("JSON.stringify(Object.getOwnPropertyNames(new ExtendedType()))"));
+            // Assert.Equal("[\"a\",\"b\"]", _engine.Evaluate("JSON.stringify(Object.getOwnPropertyNames(new MyExtendedType()))"));
         }
+
+        [Fact]
+        public void ShouldAllowMethodsOnClrExtendedTypes()
+        {
+            _engine.SetValue("ClrBaseType", TypeReference.CreateTypeReference<TestClass>(_engine));
+            _engine.Evaluate(@"
+                class JsBaseType {}
+                class ExtendsFromJs extends JsBaseType {
+                    constructor() {
+                        super();
+                        this.a = 1;
+                    }
+
+                    getA() {
+                        return this.a;
+                    }
+                }
 
+                class ExtendsFromClr extends ClrBaseType {
+                    constructor() {
+                        super();
+                        this.a = 1;
+                    }
+
+                    getA() {
+                        return this.a;
+                    }
+                }
+            ");
+
+            var extendsFromJs = _engine.Construct("ExtendsFromJs");
+            Assert.Equal(1, _engine.Evaluate("new ExtendsFromJs().getA();"));
+            Assert.NotEqual(JsValue.Undefined, extendsFromJs.Get("getA"));
+
+            var extendsFromClr = _engine.Construct("ExtendsFromClr");
+            Assert.Equal(1, _engine.Evaluate("new ExtendsFromClr().getA();"));
+            Assert.NotEqual(JsValue.Undefined, extendsFromClr.Get("getA"));
+        }
+
         private struct TestStruct
         {
             public int Value;

Jint.Tests/Runtime/ModuleTests.cs

@@ -1,5 +1,4 @@
 #if(NET6_0_OR_GREATER)
-using System;
 using System.IO;
 using System.Reflection;
 #endif

Jint/Native/BigInt/BigIntConstructor.cs

@@ -115,7 +115,9 @@ ObjectInstance IConstructor.Construct(JsValue[] arguments, JsValue newTarget)
         var o = OrdinaryCreateFromConstructor(
             newTarget,
             static intrinsics => intrinsics.BigInt.PrototypeObject,
-            static (engine, realm, state) => new BigIntInstance(engine, (JsBigInt) state), value);
+            static (engine, realm, state) => new BigIntInstance(engine, state),
+            value);
+
         return o;
     }
 

Jint/Native/BigInt/BigIntPrototype.cs

@@ -150,4 +150,4 @@ private JsBigInt ThisBigIntValue(JsValue value)
                 return JsBigInt.One;
         }
     }
-}
+}

Jint/Native/DataView/DataViewConstructor.cs

@@ -80,7 +80,7 @@ ObjectInstance IConstructor.Construct(JsValue[] arguments, JsValue newTarget)
             var o = OrdinaryCreateFromConstructor(
                 newTarget,
                 static intrinsics => intrinsics.DataView.PrototypeObject,
-                static (engine, realm, state) => new DataViewInstance(engine));
+                static (Engine engine, Realm _, object _) => new DataViewInstance(engine));
 
             if (buffer.IsDetachedBuffer)
             {

Jint/Native/Date/DateConstructor.cs

@@ -212,7 +212,7 @@ private ObjectInstance Construct(JsValue[] arguments, JsValue newTarget)
             var o = OrdinaryCreateFromConstructor(
                 newTarget,
                 static intrinsics => intrinsics.Date.PrototypeObject,
-                static (engine, realm, _) => new DateInstance(engine));
+                static (Engine engine, Realm _, object _) => new DateInstance(engine));
             o.DateValue = dv;
             return o;
         }

Jint/Native/Error/ErrorConstructor.cs

@@ -47,7 +47,7 @@ private ObjectInstance Construct(JsValue[] arguments, JsValue newTarget)
             var o = OrdinaryCreateFromConstructor(
                 newTarget,
                 _intrinsicDefaultProto,
-                static (engine, realm, state) => new ErrorInstance(engine));
+                static (Engine engine, Realm _, object _) => new ErrorInstance(engine));
 
             var jsValue = arguments.At(0);
             if (!jsValue.IsUndefined())

Jint/Native/Function/FunctionInstance.cs

@@ -227,11 +227,11 @@ internal void SetFunctionName(JsValue name, string prefix = null, bool force = f
         /// In spec intrinsicDefaultProto is string pointing to intrinsic, but we do a selector.
         /// </remarks>
         [MethodImpl(MethodImplOptions.AggressiveInlining)]
-        internal T OrdinaryCreateFromConstructor<T>(
+        internal T OrdinaryCreateFromConstructor<T, TState>(
             JsValue constructor,
             Func<Intrinsics, ObjectInstance> intrinsicDefaultProto,
-            Func<Engine, Realm, JsValue, T> objectCreator,
-            JsValue state = null) where T : ObjectInstance
+            Func<Engine, Realm, TState, T> objectCreator,
+            TState state = default) where T : ObjectInstance
         {
             var proto = GetPrototypeFromConstructor(constructor, intrinsicDefaultProto);
 

Jint/Native/Function/ScriptFunctionInstance.cs

@@ -11,7 +11,7 @@ namespace Jint.Native.Function
 {
     public sealed class ScriptFunctionInstance : FunctionInstance, IConstructor
     {
-        internal bool _isClassConstructor;
+        private bool _isClassConstructor;
 
         /// <summary>
         /// http://www.ecma-international.org/ecma-262/5.1/#sec-13.2
@@ -121,7 +121,7 @@ ObjectInstance IConstructor.Construct(JsValue[] arguments, JsValue newTarget)
                 thisArgument = OrdinaryCreateFromConstructor(
                     newTarget,
                     static intrinsics => intrinsics.Object.PrototypeObject,
-                    static (engine, realm, _) => new ObjectInstance(engine));
+                    static (Engine engine, Realm _, object _) => new ObjectInstance(engine));
             }
 
             var calleeContext = PrepareForOrdinaryCall(newTarget);

Jint/Native/Map/MapConstructor.cs

@@ -61,7 +61,8 @@ ObjectInstance IConstructor.Construct(JsValue[] arguments, JsValue newTarget)
             var map = OrdinaryCreateFromConstructor(
                 newTarget,
                 static intrinsics => intrinsics.Map.PrototypeObject,
-                static (engine, realm, _) => new MapInstance(engine, realm));
+                static (Engine engine, Realm realm, object _) => new MapInstance(engine, realm));
+
             if (arguments.Length > 0 && !arguments[0].IsNullOrUndefined())
             {
                 var adder = map.Get("set");

Jint/Native/Object/ObjectConstructor.cs

@@ -163,7 +163,7 @@ private ObjectInstance Construct(JsValue[] arguments, JsValue newTarget)
                 return OrdinaryCreateFromConstructor(
                     newTarget,
                     static intrinsics => intrinsics.Object.PrototypeObject,
-                    (engine, realm, state) => new ObjectInstance(engine));
+                    static (Engine engine, Realm _, object _) => new ObjectInstance(engine));
             }
 
             if (arguments.Length > 0)

Jint/Native/Promise/PromiseConstructor.cs

@@ -87,7 +87,7 @@ ObjectInstance IConstructor.Construct(JsValue[] arguments, JsValue newTarget)
             var instance = OrdinaryCreateFromConstructor(
                 newTarget,
                 static intrinsics => intrinsics.Promise.PrototypeObject,
-                static(engine, realm, _) => new PromiseInstance(engine));
+                static (Engine engine, Realm _, object _) => new PromiseInstance(engine));
 
             var (resolve, reject) = instance.CreateResolvingFunctions();
             promiseExecutor.Call(Undefined, new JsValue[] {resolve, reject});

Jint/Native/RegExp/RegExpConstructor.cs

@@ -134,7 +134,7 @@ private RegExpInstance RegExpAlloc(JsValue newTarget)
             var r = OrdinaryCreateFromConstructor(
                 newTarget,
                 static intrinsics => intrinsics.RegExp.PrototypeObject,
-                static (engine, realm, _) => new RegExpInstance(engine));
+                static (Engine engine, Realm _, object _) => new RegExpInstance(engine));
             return r;
         }
 

Jint/Native/Set/SetConstructor.cs

@@ -61,7 +61,8 @@ ObjectInstance IConstructor.Construct(JsValue[] arguments, JsValue newTarget)
             var set = OrdinaryCreateFromConstructor(
                 newTarget,
                 static intrinsics => intrinsics.Set.PrototypeObject,
-                static (engine, realm, _) => new SetInstance(engine));
+                static (Engine engine, Realm _, object _) => new SetInstance(engine));
+
             if (arguments.Length > 0 && !arguments[0].IsNullOrUndefined())
             {
                 var adderValue = set.Get("add");

Jint/Native/String/StringPrototype.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Collections.Generic;
 using System.Linq;
 using System.Runtime.CompilerServices;
 using System.Text;

Jint/Native/WeakMap/WeakMapConstructor.cs

@@ -41,7 +41,7 @@ ObjectInstance IConstructor.Construct(JsValue[] arguments, JsValue newTarget)
             var map = OrdinaryCreateFromConstructor(
                 newTarget,
                 static intrinsics =>  intrinsics.WeakMap.PrototypeObject,
-                static (engine, realm, _) => new WeakMapInstance(engine));
+                static (Engine engine, Realm _, object _) => new WeakMapInstance(engine));
             if (arguments.Length > 0 && !arguments[0].IsNullOrUndefined())
             {
                 var adder = map.Get("set");

Jint/Native/WeakSet/WeakSetConstructor.cs

@@ -40,7 +40,8 @@ ObjectInstance IConstructor.Construct(JsValue[] arguments, JsValue newTarget)
             var set = OrdinaryCreateFromConstructor(
                 newTarget,
                 static intrinsics => intrinsics.WeakSet.PrototypeObject,
-                static (engine, realm, _) => new WeakSetInstance(engine));
+                static (Engine engine, Realm _, object _) => new WeakSetInstance(engine));
+
             if (arguments.Length > 0 && !arguments[0].IsNullOrUndefined())
             {
                 var adder = set.Get("add") as ICallable;