Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/tests/test-279.cs

@@ -0,0 +1,24 @@
+using System;
+
+class FlagsAttributeDemo
+{
+    // Define an Enum with FlagsAttribute.
+    [FlagsAttribute] 
+    enum MultiHue : short
+    {
+        Black = 0,
+        Red = 1,
+        Green = 2,
+        Blue = 4
+    };
+
+    public static int Main( )
+    {
+        string s = ((MultiHue)7).ToString ();
+        
+        Console.WriteLine (s);
+        if (s != "Red, Green, Blue")
+            return 1;
+        return 0;
+    } 
+}