tests/test-named-01.cs

   1 // Compiler options: -langversion:future
   2
   3 using System;
   4
   5 class A
   6 {
   7         public int Index;
   8
   9         public A ()
  10                 : this (x : 0)
  11         {
  12         }
  13
  14         protected A (object x)
  15         {
  16         }
  17
  18         public virtual int this [int i] {
  19                 set {
  20                         Index = value;
  21                 }
  22         }
  23 }
  24
  25 class B : A
  26 {
  27         public B ()
  28                 : base (x : "x")
  29         {
  30         }
  31
  32         public override int this [int i] {
  33                 set {
  34                         base [i : i] = value + 4;
  35                 }
  36         }
  37 }
  38
  39 class XAttribute:Attribute
  40 {
  41         public XAttribute (int h)
  42         {
  43         }
  44 }
  45
  46 [X (h : 3)]
  47 class M
  48 {
  49         static void Foo (int a)
  50         {
  51         }
  52
  53         public static int Main ()
  54         {
  55                 Foo (a : -9);
  56
  57                 B b = new B ();
  58                 b [8] = 5;
  59                 if (b.Index != 9)
  60                         return 1;
  61
  62                 Console.WriteLine ("ok");
  63                 return 0;
  64         }
  65 }