mcs/tests/gtest-linq-12.cs

   1 // Compiler options: -langversion:linq\r
   2 \r
   3 using System;\r
   4 using System.Linq;\r
   5 \r
   6 class NestedQuery\r
   7 {\r
   8         public static int Main ()\r
   9         {\r
  10                 var e = from values in new [] { "aba", "bbb", "bab", "aaa" }\r
  11                         where values.Length > 0
  12                         select from type in values\r
  13                                 where type == 'a'\r
  14                                 select type;\r
  15                 \r
  16                 int counter = 0;\r
  17                 foreach (var v in e)\r
  18                         foreach (var vv in v) {\r
  19                                 ++counter;\r
  20                                 Console.WriteLine (vv);\r
  21                         }
  22
  23
  24                 if (counter != 6)
  25                         return 1;
  26
  27                 e = from values in new [] { "aba", "bbb", "bab", "aaa" }
  28                         let length = values.Length
  29                         select from type in values
  30                                 let x = 9
  31                                 where length == 3
  32                                 select type;
  33                 counter = 0;
  34                 foreach (var v in e)\r
  35                         foreach (var vv in v) {\r
  36                                 ++counter;\r
  37                                 Console.WriteLine (vv);\r
  38                         }
  39
  40                 if (counter != 12)
  41                         return 2;
  42
  43                 return 0;\r
  44         }\r
  45 }\r