From: Rodrigo Kumpera <kumpera@gmail.com>
Date: Tue, 1 Feb 2011 17:08:36 +0000 (+0100)
Subject: Add test for dynamic method resurrection.
X-Git-Url: http://wien.tomnetworks.com/gitweb/?a=commitdiff_plain;h=b9d5892425cfbbeb561935284f202708e16f0130;p=mono.git

Add test for dynamic method resurrection.
---

diff --git a/mono/tests/Makefile.am b/mono/tests/Makefile.am
index 0e9c429ee2a..a7145476017 100644
--- a/mono/tests/Makefile.am
+++ b/mono/tests/Makefile.am
@@ -371,7 +371,8 @@ BASE_TEST_CS_SRC=		\
 	bug-575941.cs	\
 	bug-599469.cs	\
 	bug-389886-3.cs \
-	monitor.cs
+	monitor.cs	\
+	dynamic-method-resurrection.cs
 
 TEST_CS_SRC_DIST=	\
 	$(BASE_TEST_CS_SRC)	\
diff --git a/mono/tests/dynamic-method-resurrection.cs b/mono/tests/dynamic-method-resurrection.cs
new file mode 100644
index 00000000000..bd7bc5f315b
--- /dev/null
+++ b/mono/tests/dynamic-method-resurrection.cs
@@ -0,0 +1,63 @@
+using System;
+using System.Reflection;
+using System.Reflection.Emit;
+using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
+
+delegate int Getter ();
+
+class Host {
+
+	static int Field = 42;
+
+	Getter g;
+
+	public Host (Getter g) {
+		this.g = g;
+	}
+
+	~Host () {
+		Program.resed = g;
+	}
+}
+
+
+class Program {
+		internal static Getter resed;
+		static int result;
+		static void DoStuff ()
+        {
+			DynamicMethod method = new DynamicMethod ("GetField",
+                        typeof (int), new Type [0], Type.GetType ("Host"));
+
+			ILGenerator il = method.GetILGenerator ();
+			il.Emit (OpCodes.Ldsfld, typeof (Host).GetField ("Field", BindingFlags.Static | BindingFlags.NonPublic));
+			il.Emit (OpCodes.Ret);
+
+			var g = (Getter)method.CreateDelegate (typeof (Getter));			
+			new Host (g);
+        }
+
+		static bool CheckStuff () {
+			if (resed == null)
+				return false;
+			Program.result = resed ();
+			resed = null;
+			return true;
+		}
+
+		public static int Main ()
+        {
+			int cnt = 5;
+			DoStuff ();
+			do {
+				if (CheckStuff ())
+					break;
+				GC.Collect ();
+				GC.WaitForPendingFinalizers ();
+			} while (cnt-- > 0);
+			GC.Collect ();
+			GC.WaitForPendingFinalizers ();
+			return result == 42 ? 0 : 1;
+		}
+}