mcs/tests/gtest-lambda-31.cs

   1 // Compiler options: -optimize
   2
   3 // Check lambdas to method group optimization, no lambdas should be created for any code int this test
   4
   5 using System;
   6 using System.Collections;
   7 using System.Linq;
   8
   9 class Test
  10 {
  11         static int Prop {
  12                 get {
  13                         return 4;
  14                 }
  15         }
  16
  17         public static int Main ()
  18         {
  19                 var parsed = from t in new[] { "2" } select int.Parse (t);
  20                 if (parsed.First () != 2)
  21                         return 1;
  22
  23                 var s = new string[] { "x", "a" };
  24                 Array.Sort (s, (a, b) => String.Compare (a, b));
  25                 if (s[0] != "a")
  26                         return 10;
  27
  28                 if (s[1] != "x")
  29                         return 11;
  30
  31                 Func<int> i = () => Prop;
  32                 if (i () != 4)
  33                         return 20;
  34
  35                 var em = new IEnumerable[] { new int[] { 1 } }.Select (l => l.Cast<int> ()).First ().First ();
  36                 if (em != 1)
  37                         return 30;
  38
  39                 Console.WriteLine ("ok");
  40                 return 0;
  41         }
  42 }