merge 99630:99762

[mono.git] / mcs / tests / gtest-117.cs

diff --git a/mcs/tests/gtest-117.cs b/mcs/tests/gtest-117.cs
index 71dc3b8cd3d9bdb0afa8de23b3580e065af5de89..1e07e91cf03d975e9db2706b6dcdef8d0b00dd39 100644 (file)
--- a/mcs/tests/gtest-117.cs
+++ b/mcs/tests/gtest-117.cs
@@ -1,3 +1,5 @@
+// Compiler options: -warnaserror
+
 using System;
 
 public interface IFoo<T>
@@ -9,12 +11,76 @@ public class Foo<T>
        {
                return x is IFoo<T>;
        }
+       
+       public static bool Test ()
+       {
+               T t = default (T);
+               return t is int;
+       }
+       
+       public static bool TestB ()
+       {
+               T t = default (T);
+               return t is int?;
+       }
+}
+
+class Y<T> where T : struct
+{
+       public bool Foo ()
+       {
+               object o = null;
+               return o is System.Nullable <T>;
+       }
 }
 
 class X
 {
-       static void Main ()
+       public static bool TestA (object o)
+       {
+               return o is int?;
+       }
+       
+       public static bool TestB<T> (T o)
+       {
+               return o is int[];
+       }
+       
+       public static int TestC ()
        {
-               Foo<int>.Test (3);
+               int? i = null;
+               if (i is int) {
+                               return (int) i;
+               }
+               
+               return 3;
+       }
+       
+       static int Main ()
+       {
+               if (Foo<int>.Test (3))
+                       return 1;
+               
+               if (!Foo<int>.Test())
+                       return 2;
+               
+               // False expected int? != null
+               if (Foo<int?>.TestB())
+                       return 3;
+
+               int? i = 0;
+               if (!TestA(i))
+                       return 4;
+               
+               int[] a = new int[0];
+               if (!TestB(a))
+                       return 5;
+               
+               if (TestC () != 3)
+                       return 6;
+               
+               Console.WriteLine ("OK");
+               return 0;
        }
 }
+