Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/class/corlib/Test/System.Diagnostics.Contracts/ContractAssumeTest.cs

@@ -0,0 +1,48 @@
+#if NET_4_0
+
+#define CONTRACTS_FULL
+#define DEBUG
+
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using NUnit.Framework;
+using System.Diagnostics.Contracts;
+using MonoTests.System.Diagnostics.Contracts.Helpers;
+
+namespace MonoTests.System.Diagnostics.Contracts {
+
+	[TestFixture]
+	public class ContractAssumeTest : TestContractBase {
+
+		/// <summary>
+		/// At runtime Contract.Assume() acts just like a Contract.Assert(), except the exact message in the assert
+		/// or exception is slightly different.
+		/// </summary>
+		[Test]
+		[Ignore ("This causes NUnit crash on .NET 4.0")]
+		public void TestAssumeMessage ()
+		{
+			try {
+				Contract.Assume (false);
+				Assert.Fail ("TestAssumeMessage() exception not thrown #1");
+			} catch (Exception ex) {
+				Assert.IsInstanceOfType (typeof(NotImplementedException), ex, "TestAssumeMessage() wrong exception type #1");
+			}
+
+			try {
+				Contract.Assume (false, "Message");
+				Assert.Fail ("TestAssumeMessage() exception not thrown #1");
+			} catch (Exception ex) {
+				Assert.IsInstanceOfType (typeof(NotImplementedException), ex, "TestAssumeMessage() wrong exception type #1");
+			}
+		}
+
+		// Identical to Contract.Assert, so no more testing required.
+
+	}
+
+}
+
+#endif