public void DoubleReturnTest()
{
DoubleStretTrampolines obj = new DoubleStretTrampolines();
IntPtr class_ptr = Class.GetHandle("DoubleStretTrampolines");
Assert.That(0 == Messaging.Double_objc_msgSend(obj.Handle, new Selector("Test_Zero").Handle), "#1");
Assert.That(0 == Messaging.Double_objc_msgSend(class_ptr, new Selector("Test_StaticZero").Handle), "#2");
Assert.That(0 == Messaging.Double_objc_msgSend(obj.Handle, new Selector("Test_ZeroProperty").Handle), "#3");
Assert.That(0 == Messaging.Double_objc_msgSend(class_ptr, new Selector("Test_StaticZeroProperty").Handle), "#4");
}