Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/class/corlib/Test/System.Diagnostics.Contracts/Helpers/RunAgainstReferenceAttribute.cs

@@ -0,0 +1,18 @@
+#if NET_4_0
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using NUnit.Framework;
+
+namespace MonoTests.System.Diagnostics.Contracts.Helpers {
+
+	[AttributeUsage(AttributeTargets.Method, AllowMultiple = false)]
+	class RunAgainstReferenceAttribute : CategoryAttribute
+	{
+	}
+
+}
+
+#endif

mcs/class/corlib/Test/System.Diagnostics.Contracts/Helpers/TestContractBase.cs

@@ -0,0 +1,48 @@
+#if NET_4_0
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using NUnit.Framework;
+using System.Diagnostics.Contracts;
+using System.Diagnostics;
+using System.Reflection;
+using System.Diagnostics.Contracts.Internal;
+
+namespace MonoTests.System.Diagnostics.Contracts.Helpers {
+
+	public class TestContractBase {
+
+		protected TestContractBase() {
+			// Get the type of System.Diagnostics.Contracts.ContractException
+			// Have to do this differently depending on how the test is being run.
+			this.ContractExceptionType = Type.GetType("System.Diagnostics.Contracts.ContractException");
+			if (this.ContractExceptionType == null) {
+				// Special code for when Contracts namespace is not in CorLib
+				var mGetContractExceptionType = typeof (Contract).GetMethod ("GetContractExceptionType", BindingFlags.NonPublic | BindingFlags.Static);
+				this.ContractExceptionType = (Type) mGetContractExceptionType.Invoke (null, null);
+			}
+		}
+
+		[SetUp]
+		public void Setup() {
+			// Remove all event handlers from Contract.ContractFailed
+			var eventField = typeof(Contract).GetField("ContractFailed", BindingFlags.Static | BindingFlags.NonPublic);
+			if (eventField == null) {
+				// But in MS.NET it's done this way.
+				eventField = typeof(ContractHelper).GetField("contractFailedEvent", BindingFlags.Static | BindingFlags.NonPublic);
+			}
+			eventField.SetValue(null, null);
+		}
+
+		[TearDown]
+		public void TearDown() {
+		}
+
+		protected Type ContractExceptionType { get; private set; }
+
+	}
+}
+
+#endif