mcs/tests/gtest-112.cs

   1 using System;
   2
   3 public interface IComparer<T>
   4 {
   5         void Compare (T a);
   6 }
   7
   8 class IC : IComparer<Foo<int>>
   9 {
  10         public void Compare (Foo<int> a)
  11         { }
  12 }
  13
  14 public struct Foo<K>
  15 {
  16         public K Value;
  17
  18         public Foo (K value)
  19         {
  20                 Value = value;
  21         }
  22 }
  23
  24 public class List<T>
  25 {
  26         public virtual void Sort (IComparer<T> c, T t)
  27         {
  28                 Sorting.IntroSort<T> (c, t);
  29         }
  30 }
  31
  32 public class Sorting
  33 {
  34         public static void IntroSort<T> (IComparer<T> c, T t)
  35         {
  36                 new Sorter<T> (c, 4, t).InsertionSort (0);
  37         }
  38
  39         class Sorter<T>
  40         {
  41                 IComparer<T> c;
  42                 T[] a;
  43
  44                 public Sorter (IComparer<T> c, int size, T item)
  45                 {
  46                         this.c = c;
  47                         a = new T [size];
  48                 }
  49
  50                 internal void InsertionSort (int i)
  51                 {
  52                         T other;
  53                         c.Compare (other = a[i]);
  54                 }
  55         }
  56 }
  57
  58 class X
  59 {
  60         static void Main ()
  61         {
  62                 List<Foo<int>> list = new List<Foo<int>> ();
  63                 Foo<int> foo = new Foo<int> (3);
  64                 list.Sort (new IC (), foo);
  65         }
  66 }