diff --git a/IDEHelper/Tests/src/Constraints.bf b/IDEHelper/Tests/src/Constraints.bf
new file mode 100644
index 00000000..d1bd4045
--- /dev/null
+++ b/IDEHelper/Tests/src/Constraints.bf
@@ -0,0 +1,42 @@
+using System;
+using System.Collections;
+
+namespace Tests
+{
+	class Constraints
+	{
+		class Dicto : Dictionary<int, float>
+		{
+		   
+		}
+
+		public static bool Method1<T>(IEnumerator<T> param1)
+		{
+		    return true;
+		}
+
+		public static bool Method2<TEnumerator, TElement>(TEnumerator param1) where TEnumerator : IEnumerator<TElement>
+		{
+		    for (let val in param1)
+			{
+				
+			}
+
+			return true;
+		}
+
+		public static bool Method3<K, V>(Dictionary<K, V> param1) where K : IHashable
+		{
+			Method1(param1.GetEnumerator());
+			Method1((IEnumerator<(K key, V value)>)param1.GetEnumerator());
+		    return Method2<Dictionary<K, V>.Enumerator, (K key, V value)>(param1.GetEnumerator());
+		}
+
+		[Test]
+		public static void TestBasics()
+		{
+			Dicto dicto = scope .();
+			Method3(dicto);
+		}
+	}
+}
diff --git a/IDEHelper/Tests/src/Mixins.bf b/IDEHelper/Tests/src/Mixins.bf
index 7bff5aa3..40674527 100644
--- a/IDEHelper/Tests/src/Mixins.bf
+++ b/IDEHelper/Tests/src/Mixins.bf
@@ -4,6 +4,13 @@ namespace Tests
 {
 	class Mixins
 	{
+		static mixin MixNums(int a, int b)
+		{
+			(a << 8) | b
+		}
+
+		const int cVal = MixNums!(3, 5);
+
 		class MixClass
 		{
 			public int mA = 100;
@@ -39,6 +46,7 @@ namespace Tests
 			mc.MixB!(10);
 			Test.Assert(mc.mA == 120);
 			Test.Assert(MixClass.MixC!(30) == 230);
+			Test.Assert(cVal == 0x305);
 		}
 
 		[Test]