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using System;
using System.Collections.Generic;
using System.Linq;
using System.Runtime.InteropServices;
using System.Runtime.CompilerServices;
using EinaTestData;
using static EinaTestData.BaseData;
namespace TestSuite
{
class TestInheritance
{
internal class Inherit1 : Dummy.TestObject
{
override public void IntOut (int x, out int y)
{
y = 10*x;
}
}
internal class Inherit2 : Dummy.TestObject, Dummy.IInheritIface
{
override public void IntOut (int x, out int y)
{
Console.WriteLine("IntOut");
y = 10*x;
}
public string StringshareTest (string i)
{
Console.WriteLine("StringshareTest");
return "Hello World";
}
}
internal class Inherit3Parent : Dummy.TestObject
{
public bool disposed = false;
public bool childDisposed = false;
~Inherit3Parent()
{
Console.WriteLine("finalizer called for parent");
}
protected override void Dispose(bool disposing)
{
Console.WriteLine("Dispose parent");
base.Dispose(disposing);
}
}
internal class Inherit3Child : Dummy.TestObject
{
//Inherit3Parent parent;
public Inherit3Child(Inherit3Parent parent) : base(parent)
{
// WARNING: Uncommenting the line below causes the parent-child cycle to leak.
// The GC won't be able to collect it.
// this.parent = parent;
}
~Inherit3Child()
{
Console.WriteLine("finalizer called for child");
}
protected override void Dispose(bool disposing)
{
/* parent.childDisposed = true; */
Console.WriteLine("Dispose parent");
base.Dispose(disposing);
}
}
public static void test_inherit_from_regular_class()
{
var obj = new Inherit1();
int i = Dummy.InheritHelper.ReceiveDummyAndCallIntOut(obj);
Test.AssertEquals (50, i);
}
public static void test_inherit_from_iface()
{
var obj = new Inherit2();
int i = Dummy.InheritHelper.ReceiveDummyAndCallIntOut(obj);
Test.AssertEquals (50, i);
string s = Dummy.InheritHelper.ReceiveDummyAndCallInStringshare(obj);
Test.AssertEquals ("Hello World", s);
}
private static void CreateAndCheckInheritedObjects(out WeakReference parentWRef, out WeakReference childWRef)
{
var parent = new Inherit3Parent();
var child = new Inherit3Child(parent);
parentWRef = new WeakReference(parent);
childWRef = new WeakReference(child);
Console.WriteLine($"Parent [{parent.ToString()}] has {Efl.Eo.Globals.efl_ref_count(parent.NativeHandle)} refs");
Console.WriteLine($"Child [{child.ToString()}] has {Efl.Eo.Globals.efl_ref_count(child.NativeHandle)} refs");
child = null;
System.GC.Collect(System.GC.MaxGeneration, GCCollectionMode.Forced, true, true);
System.GC.WaitForPendingFinalizers();
Efl.App.AppMain.Iterate();
child = (Inherit3Child) childWRef.Target;
Test.AssertNotNull(parent);
Test.AssertNotNull(child);
Test.AssertEquals(false, parent.disposed);
Test.AssertEquals(false, parent.childDisposed);
Console.WriteLine($"Parent [{parent.ToString()}] has {Efl.Eo.Globals.efl_ref_count(parent.NativeHandle)} refs");
Console.WriteLine($"Child [{child.ToString()}] has {Efl.Eo.Globals.efl_ref_count(child.NativeHandle)} refs");
parent = null;
child = null;
}
public static void test_inherit_lifetime()
{
WeakReference parentWRef;
WeakReference childWRef;
CreateAndCheckInheritedObjects(out parentWRef, out childWRef);
// Two invocations to iterate a the child wasn't being released with a single one
Test.CollectAndIterate();
Test.CollectAndIterate();
var parent = (Dummy.TestObject) parentWRef.Target;
var child = (Dummy.TestObject) childWRef.Target;
Test.AssertNull(parent);
Test.AssertNull(child);
}
}
}
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