private static ReadOnlySpan <byte> LoadAssembly(out GCHandle gchToAssembly)
{
var currentALC = AssemblyLoadContext.GetLoadContext(Assembly.GetExecutingAssembly());
var alc = new TestALC(currentALC);
var a = alc.LoadFromAssemblyPath(Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Unloaded.dll"));
gchToAssembly = GCHandle.Alloc(a, GCHandleType.WeakTrackResurrection);
var spanAccessor = (IReturnSpan)Activator.CreateInstance(a.GetType("SpanAccessor"));
alc.Unload();
return(spanAccessor.GetSpan());
}
private static void LoadOnce()
{
if (s_alc != null && s_alc.IsAlive)
{
return;
}
if (s_alc != null)
{
Console.WriteLine("Unloaded! {0} calls", s_numCalls);
}
AssemblyLoadContext currentALC = AssemblyLoadContext.GetLoadContext(Assembly.GetExecutingAssembly());
var alc = new TestALC(currentALC);
var a = alc.LoadFromAssemblyPath(Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Unloaded.dll"));
Volatile.Write(ref s_unloadedType, new WeakReference <Type>(a.GetType("UnloadedType")));
Volatile.Write(ref s_alc, new WeakReference(alc));
}
static int Main(string[] args)
{
var currentALC = AssemblyLoadContext.GetLoadContext(Assembly.GetExecutingAssembly());
var alc = new TestALC(currentALC);
var a = alc.LoadFromAssemblyPath(Path.Combine(Path.GetDirectoryName(Assembly.GetExecutingAssembly().Location), "Unloaded.dll"));
var accessor = (IStaticTest)Activator.CreateInstance(a.GetType("StaticTest"));
accessor.SetStatic(12759, 548739, 5468, 8518, 9995);
accessor.GetStatic(out int val1, out int val2, out int val3, out int val4, out int val5);
if (val1 != 12759)
return 1;
if (val2 != 548739)
return 2;
if (val3 != 5468)
return 3;
if (val4 != 8518)
return 4;
if (val5 != 9995)
return 5;
object obj1 = new object();
object obj2 = new object();
object obj3 = new object();
object obj4 = new object();
object obj5 = new object();
accessor.SetStaticObject(obj1, obj2, obj3, obj4, obj5);
accessor.GetStaticObject(out object val1Obj, out object val2Obj, out object val3Obj, out object val4Obj, out object val5Obj);
if (val1Obj != obj1)
return 11;
if (val2Obj != obj2)
return 12;
if (val3Obj != obj3)
return 13;
if (val4Obj != obj4)
return 14;
if (val5Obj != obj5)
return 15;
GC.KeepAlive(accessor);
return 100;
}