Added support for calling methods via virtual slots in WASM (#4931)

* Added support for calling methods via virtual slots

1 files changed, 35 insertions, 7 deletions

diff --git a/tests/src/Simple/HelloWasm/Program.cs b/tests/src/Simple/HelloWasm/Program.cs
index 6d4a5a6e7..4bd9cba4e 100644
--- a/tests/src/Simple/HelloWasm/Program.cs
+++ b/tests/src/Simple/HelloWasm/Program.cs
@@ -11,17 +11,18 @@ internal static class Program
     private static unsafe void Main(string[] args)
     {
         Add(1, 2);
-        var tempObj = new TestClass(1337);
         int tempInt = 0;
         (*(&tempInt)) = 9;
-    
-        tempObj.TestMethod("Hello");
-
         if(tempInt == 9)
         {
             PrintLine("Hello from C#!");
         }
-        
+
+        TestClass tempObj = new TestDerivedClass(1337);
+        tempObj.TestMethod("Hello");
+        tempObj.TestVirtualMethod("Hello");
+        tempObj.TestVirtualMethod2("Hello");
+
         TwoByteStr str = new TwoByteStr() { first = 1, second = 2 };
         TwoByteStr str2 = new TwoByteStr() { first = 3, second = 4 };
         *(&str) = str2;
@@ -107,7 +108,7 @@ internal static class Program
         }
     }
     
-    private static void PrintLine(string s)
+    public static void PrintLine(string s)
     {
         PrintString(s);
         PrintString("\n");
@@ -173,7 +174,7 @@ public struct TwoByteStr
 public class TestClass
 {
     public string TestString {get; set;}
-	
+
     public TestClass(int number)
     {
         if(number != 1337)
@@ -186,5 +187,32 @@ public class TestClass
         if(TestString != str)
             throw new Exception();
     }
+    public virtual void TestVirtualMethod(string str)
+    {
+        Program.PrintLine("Virtual Slot Test: Ok If second");
+    }
+	
+	public virtual void TestVirtualMethod2(string str)
+    {
+        Program.PrintLine("Virtual Slot Test 2: Ok");
+    }
+}
+
+public class TestDerivedClass : TestClass
+{
+    public TestDerivedClass(int number) : base(number)
+    {
+
+    }
+    public override void TestVirtualMethod(string str)
+    {
+        Program.PrintLine("Virtual Slot Test: Ok");
+        base.TestVirtualMethod(str);
+    }
+    
+    public override string ToString()
+    {
+        throw new Exception();
+    }
 }