mono/tests/verifier/valid_generic_test.cs

   1 using System;
   2
   3 public delegate void GenericDelegate<T>(T a);
   4 public delegate void ObjectDelegate(object a);
   5
   6 public class Tst<T> {
   7         T field;
   8         static T staticField;
   9
  10         public Tst() {
  11                 TestLoadStore (field);
  12                 TestByRef (field);
  13                 TestCalls ();
  14                 TestTypeOps ();
  15                 TestDelegate ();
  16         }
  17
  18         public void TestLoadStore (T arg) {
  19                 T local = arg;
  20                 T[] array = new T[10];
  21
  22                 field = arg;
  23                 staticField = arg;
  24                 arg = local;
  25                 arg = field;
  26                 arg = staticField;
  27                 array[0] = arg;
  28                 field = array[1];
  29         }
  30
  31         public void TestByRef (T arg) {
  32                 T local = arg;
  33                 T[] array = new T[10];
  34                 PassByRef (ref arg);
  35                 PassByRef (ref array[0]);
  36                 PassByRef (ref field);
  37                 PassByRef (ref local);
  38                 PassByRef (ref staticField);
  39         }
  40
  41         public void TestCalls () {
  42                 this.field.ToString ();
  43                 this.field = Static ();
  44
  45                 Virtual (field);
  46         }
  47
  48         public void TestTypeOps () {
  49                 object o = typeof (T);
  50                 o = field;
  51                 o = default(T);
  52                 staticField = (T)o;
  53                 if (o is T) {
  54                         //T x = o as T; test with constraints
  55                 }
  56         }
  57
  58         public void TestDelegate () {
  59                 GenericDelegate<T> gd = new GenericDelegate<T>(this.Virtual);
  60                 gd(field);
  61         }
  62
  63         public void PassByRef (ref T t) {
  64                 t = default (T);
  65         }
  66
  67         public virtual void Virtual (T a) {
  68         }
  69
  70         public static T Static() {
  71                 return staticField;
  72         }
  73 }
  74
  75 public struct Foo {
  76         public int dd;
  77 }
  78
  79 public class Driver {
  80         public static void Main () {
  81                 new Tst<int> ().Virtual (10);
  82                 new Tst<string> ().Virtual ("str");
  83                 new Tst<Foo> ().Virtual (new Foo ());
  84
  85         }
  86 }