mono/tests/bug-462592.cs

   1 using System;
   2 using System.Threading;
   3 using System.Reflection;
   4 using System.Reflection.Emit;
   5
   6 public class Test
   7 {
   8         public virtual void Foo<T> (int i)
   9         {
  10         }
  11 }
  12
  13 class Driver
  14 {
  15                 static AssemblyBuilder assembly;
  16                 static ModuleBuilder module;
  17                 static string ASSEMBLY_NAME = "MonoTests.System.Reflection.Emit.TypeBuilderTest";
  18
  19                 static void SetUp ()
  20                 {
  21                         AssemblyName assemblyName = new AssemblyName ();
  22                         assemblyName.Name = ASSEMBLY_NAME;
  23
  24                         assembly =
  25                                 Thread.GetDomain ().DefineDynamicAssembly (
  26                                         assemblyName, AssemblyBuilderAccess.RunAndSave, ".");
  27
  28                         module = assembly.DefineDynamicModule ("repro", "bug-462592-result.exe");
  29                 }
  30
  31                 static int Main()
  32                 {
  33                         SetUp ();
  34
  35                         MethodInfo foo = typeof (Test).GetMethod ("Foo");
  36                         TypeBuilder type = module.DefineType ("TestType", TypeAttributes.Public, typeof (Test), Type.EmptyTypes);
  37
  38                         MethodBuilder mb = type.DefineMethod ("Foo", MethodAttributes.Public | MethodAttributes.Virtual, typeof (void), new Type[] { typeof (int) });
  39                         mb.DefineGenericParameters ("T");
  40
  41                         ILGenerator il = mb.GetILGenerator ();
  42                         il.Emit (OpCodes.Ldarg_0);
  43                         il.Emit (OpCodes.Ldc_I4, 0);
  44                         il.Emit (OpCodes.Call, foo);
  45                         il.Emit (OpCodes.Ret);
  46
  47                         type.DefineMethodOverride (mb, foo);
  48
  49                         MethodBuilder main = type.DefineMethod ("Main", MethodAttributes.Public | MethodAttributes.Static, typeof (void), Type.EmptyTypes);
  50                         il = main.GetILGenerator ();
  51                         il.Emit (OpCodes.Newobj, type.DefineDefaultConstructor (MethodAttributes.Public));
  52                         il.Emit (OpCodes.Ldc_I4, 0);
  53                         il.Emit (OpCodes.Callvirt, mb.MakeGenericMethod (new Type[] { typeof (string) }));
  54                         il.Emit (OpCodes.Ret);
  55
  56                         type.CreateType ();
  57                         assembly.SetEntryPoint (main);
  58
  59                         assembly.Save ("bug-462592-result.exe");
  60
  61                         Assembly res = Assembly.LoadFrom ("bug-462592-result.exe");
  62                         res.EntryPoint.Invoke (null, new object[0]);
  63                         return 0;
  64                 }
  65 }
  66