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using System;
using System.Reflection;
using System.Globalization;
using System.Diagnostics;
struct EmptyStruct {
public int value;
public int test() {
return value + 10;
}
public static int test2 (ref EmptyStruct foo) {
return foo.value + 20;
}
}
delegate int ActionRef (ref EmptyStruct _this);
delegate int ActionRef2 ();
delegate int ActionRef3 (EmptyStruct _this);
public struct Foo {
public int x,y,z;
public Foo (int i) {
x = y = z = i;
}
}
delegate Foo NoArgDele ();
delegate Foo OneArgDele (Driver d);
public class Driver
{
public static Foo M0 () { return new Foo (10); }
public Foo M1 () { return new Foo (this == null ? 10 : 20); }
public static Foo M2 (string x) { return new Foo (30); }
public static Foo M2i (int x) { return new Foo (40); }
public static Foo M3 (object x) { return new Foo (50); }
public virtual Foo M4 () { return new Foo (this == null ? 60 : 70); }
public static int Main () {
int r = test_0_refobj_invokes ();
if (r != 0)
return r;
r = test_0_valuetype_invokes ();
if (r != 0)
return r + 20;
return 0;
}
public static int test_0_refobj_invokes ()
{
NoArgDele x;
OneArgDele y;
x = Driver.M0;
if (x ().x != 10)
return 1;
x = new Driver ().M1;
if (x ().x != 20)
return 2;
x = (NoArgDele)Delegate.CreateDelegate (typeof (NoArgDele), "10", typeof (Driver).GetMethod ("M2"));
if (x ().x != 30)
return 3;
x = (NoArgDele)Delegate.CreateDelegate (typeof (NoArgDele), null, typeof (Driver).GetMethod ("M3"));
if (x ().x != 50)
return 4;
y = (OneArgDele)Delegate.CreateDelegate (typeof (OneArgDele), null, typeof (Driver).GetMethod ("M4"));
if (y (new Driver ()).x != 70)
return 5;
x = (NoArgDele)Delegate.CreateDelegate (typeof (NoArgDele), null, typeof (Driver).GetMethod ("M1"));
if (x ().x != 10)
return 6;
x = (NoArgDele)Delegate.CreateDelegate (typeof (NoArgDele), null, typeof (Driver).GetMethod ("M4"));
if (x ().x != 60)
return 7;
return 0;
}
public static int test_0_valuetype_invokes ()
{
EmptyStruct es = default (EmptyStruct);
es.value = 100;
var ar1 = (ActionRef)Delegate.CreateDelegate(typeof (ActionRef), typeof (EmptyStruct).GetMethod("test"));
if (ar1 (ref es) != 110) {
Console.WriteLine ("expected 110, got {0}", ar1 (ref es));
return 1;
}
var ar2 = (ActionRef2)Delegate.CreateDelegate (typeof (ActionRef2), null, typeof (EmptyStruct).GetMethod("test"));
try {
Console.WriteLine ("must not return, got {0}", ar2 ());
return 2;
} catch (NullReferenceException) {
}
ar1 = (ActionRef) Delegate.CreateDelegate(typeof (ActionRef), typeof (EmptyStruct).GetMethod("test2"));
if (ar1 (ref es) != 120) {
Console.WriteLine ("expected 120, got {0}", ar1 (ref es));
return 3;
}
ar2 = (ActionRef2) Delegate.CreateDelegate(typeof (ActionRef2), es, typeof (EmptyStruct).GetMethod("test"));
if (ar2 () != 110) {
Console.WriteLine ("expected 110 got {0}", ar2 ());
return 4;
}
try {
Delegate.CreateDelegate(typeof (ActionRef2), new EmptyStruct (), typeof (EmptyStruct).GetMethod("test2"));
Console.WriteLine ("must fail/2");
return 5;
} catch (ArgumentException) {}
try {
Delegate.CreateDelegate(typeof (ActionRef3), typeof (EmptyStruct).GetMethod("test"));
Console.WriteLine ("must fail/2");
return 6;
} catch (ArgumentException) {}
return 0;
}
}
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