From ed63109006adfdaa6d102292aa1f6ee82e80116e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tom=C3=A1=C5=A1=20Deml?= <t.deml@quadient.com>
Date: Tue, 12 Feb 2019 09:49:18 +0100
Subject: [PATCH] (Failing) Test to verify that embedded delegates are linked
 to the `Function` prototype

---
 .../ChakraCore/InteropTests.cs                | 26 ++++++++++++++++++-
 1 file changed, 25 insertions(+), 1 deletion(-)

diff --git a/test/JavaScriptEngineSwitcher.Tests/ChakraCore/InteropTests.cs b/test/JavaScriptEngineSwitcher.Tests/ChakraCore/InteropTests.cs
index 95c72e86..8eebb27c 100644
--- a/test/JavaScriptEngineSwitcher.Tests/ChakraCore/InteropTests.cs
+++ b/test/JavaScriptEngineSwitcher.Tests/ChakraCore/InteropTests.cs
@@ -1,4 +1,7 @@
-namespace JavaScriptEngineSwitcher.Tests.ChakraCore
+using System;
+using Xunit;
+
+namespace JavaScriptEngineSwitcher.Tests.ChakraCore
 {
 	public class InteropTests : InteropTestsBase
 	{
@@ -6,5 +9,26 @@ protected override string EngineName
 		{
 			get { return "ChakraCoreJsEngine"; }
 		}
+
+		[Fact]
+		public void EmbeddedInstanceOfDelegateHasFunctionPrototype()
+		{
+			// Arrange
+			var someFunc = new Func<int>(() => 42);
+
+			const string input = "Object.getPrototypeOf(embeddedFunc) === Function.prototype";
+
+			// Act
+			bool output;
+
+			using (var jsEngine = CreateJsEngine())
+			{
+				jsEngine.EmbedHostObject("embeddedFunc", someFunc);
+				output = jsEngine.Evaluate<bool>(input);
+			}
+
+			// Assert
+			Assert.True(output);
+		}
 	}
 }
\ No newline at end of file