Imported Upstream version 5.8.0.22

Former-commit-id: df344e34b07851d296efb3e6604c8db42b6f7aa3

mcs/tests/test-tuple-01.cs

@@ -0,0 +1,53 @@
+using System;
+
+static class X
+{
+	static (int, string) Test1 ()
+	{
+		return ValueTuple.Create (1, "2");
+	}
+
+	static void Test2 ((int Item1, int Item2) arg)
+	{
+	}
+
+	static void Test3 ((int a, string b) arg)
+	{
+	}
+
+	static (int a, string b) Test4 ()
+	{
+		return ValueTuple.Create (1, "x");
+	}
+
+	static int Main ()
+	{
+		var res = Test1 ();
+		if (res.Item1 != 1) {
+			return 1;
+		}
+
+		if (res.Item2 != "2") {
+			return 2;
+		}
+
+		ValueTuple<int, string> res2 = res;
+
+		Test3 (ValueTuple.Create (1, "2"));
+
+		var res3 = Test4 ();
+		if (res3.Item1 != 1)
+			return 3;
+
+		if (res3.a != 1)
+			return 4;
+
+		if (res3.Item2 != "x")
+			return 5;
+
+		if (res3.b != "x")
+			return 6;
+
+		return 0;
+	}
+}