public void TargetEqualsActionShouldReturnTrue()
{
var classHandler = new SomeClassHandler();
Action <string> myAction = new Action <string>(classHandler.MyAction);
var weakAction = new DelegateReference(myAction, false);
Assert.True(weakAction.TargetEquals(new Action <string>(classHandler.MyAction)));
}
public void NotKeepAliveAllowsDelegateToBeCollected()
{
var delegates = new SomeClassHandler();
var delegateReference = new DelegateReference((Action <string>)delegates.DoEvent, false);
delegates = null;
GC.Collect();
Assert.Null(delegateReference.Target);
}
public void KeepAlivePreventsDelegateFromBeingCollected()
{
var delegates = new SomeClassHandler();
var delegateReference = new DelegateReference((Action <string>)delegates.DoEvent, true);
delegates = null;
GC.Collect();
Assert.NotNull(delegateReference.Target);
}
public void KeepAlivePreventsDelegateFromBeingCollected()
{
var delegates = new SomeClassHandler();
var delegateReference = new DelegateReference((Action<string>)delegates.DoEvent, true);
delegates = null;
GC.Collect();
Assert.IsNotNull(delegateReference.Target);
}
public void TargetShouldReturnAction()
{
var classHandler = new SomeClassHandler();
Action <string> myAction = new Action <string>(classHandler.MyAction);
var weakAction = new DelegateReference(myAction, false);
((Action <string>)weakAction.Target)("payload");
Assert.Equal("payload", classHandler.MyActionArg);
}
public void TargetShouldReturnAction()
{
var classHandler = new SomeClassHandler();
Action<string> myAction = new Action<string>(classHandler.MyAction);
var weakAction = new DelegateReference(myAction, false);
((Action<string>)weakAction.Target)("payload");
Assert.AreEqual("payload", classHandler.MyActionArg);
}
public void NotKeepAliveAllowsDelegateToBeCollected()
{
var delegates = new SomeClassHandler();
var delegateReference = new DelegateReference((Action<string>)delegates.DoEvent, false);
delegates = null;
GC.Collect();
Assert.IsNull(delegateReference.Target);
}
public void TargetEqualsNullShouldReturnFalseIfTargetAlive()
{
SomeClassHandler handler = new SomeClassHandler();
var weakHandlerRef = new WeakReference(handler);
var action = new DelegateReference((Action <string>)handler.DoEvent, false);
Assert.False(action.TargetEquals(null));
Assert.True(weakHandlerRef.IsAlive);
GC.KeepAlive(handler);
}
public void Not_Keep_Alive_Should_Allow_Delegate_To_Be_Collected()
{
var delegates = new SomeClassHandler();
var delegateReference = new DelegateReference((Action<string>) delegates.DoEvent, false);
// ReSharper disable RedundantAssignment
delegates = null;
// ReSharper restore RedundantAssignment
GC.Collect();
Assert.Null(delegateReference.Target);
}
public void Keep_Alive_Should_Prevent_Delegate_From_Being_Collected()
{
var delegates = new SomeClassHandler();
var delegateReference = new DelegateReference((Action <string>)delegates.DoEvent, true);
// ReSharper disable RedundantAssignment
delegates = null;
// ReSharper restore RedundantAssignment
GC.Collect();
Assert.NotNull(delegateReference.Target);
}
public void Not_Keep_Alive_Should_Allow_Delegate_To_Be_Collected()
{
var delegates = new SomeClassHandler();
var delegateReference = new DelegateReference((Action <string>)delegates.DoEvent, false);
// ReSharper disable RedundantAssignment
delegates = null;
// ReSharper restore RedundantAssignment
GC.Collect();
Assert.Null(delegateReference.Target);
}
public void Keep_Alive_Should_Prevent_Delegate_From_Being_Collected()
{
var delegates = new SomeClassHandler();
var delegateReference = new DelegateReference((Action<string>)delegates.DoEvent, true);
// ReSharper disable RedundantAssignment
delegates = null;
// ReSharper restore RedundantAssignment
GC.Collect();
Assert.NotNull(delegateReference.Target);
}
public void ShouldReturnNullIfTargetNotAlive()
{
SomeClassHandler handler = new SomeClassHandler();
var weakHandlerRef = new WeakReference(handler);
var action = new DelegateReference((Action <string>)handler.DoEvent, false);
handler = null;
GC.Collect();
Assert.False(weakHandlerRef.IsAlive);
Assert.Null(action.Target);
}
public void ShouldReturnNullIfTargetNotAlive()
{
SomeClassHandler handler = new SomeClassHandler();
var weakHandlerRef = new WeakReference(handler);
var action = new DelegateReference((Action<string>)handler.DoEvent, false);
handler = null;
GC.Collect();
Assert.IsFalse(weakHandlerRef.IsAlive);
Assert.IsNull(action.Target);
}
public void TargetShouldReturnAction()
{
//string something = null;
//Action<string> myAction = (arg => something = arg);
SomeClassHandler classHandler = new SomeClassHandler();
Action<string> myAction = new Action<string>(classHandler.MyAction);
var weakAction = new DelegateReference(myAction, false);
((Action<string>)weakAction.Target)("payload");
//Assert.AreEqual("payload", something);
Assert.AreEqual("payload", classHandler.Value);
}
public void Should_Return_Null_If_Target_NotAlive()
{
SomeClassHandler handler = new SomeClassHandler();
var weakHandlerRef = new WeakReference(handler);
var action = new DelegateReference((Action <string>)handler.DoEvent, false);
// ReSharper disable RedundantAssignment
handler = null;
// ReSharper restore RedundantAssignment
GC.Collect();
Assert.False(weakHandlerRef.IsAlive);
Assert.Null(action.Target);
}
public void TargetShouldReturnAction()
{
//string something = null;
//Action<string> myAction = (arg => something = arg);
SomeClassHandler classHandler = new SomeClassHandler();
Action <string> myAction = new Action <string>(classHandler.MyAction);
var weakAction = new DelegateReference(myAction, false);
((Action <string>)weakAction.Target)("payload");
//Assert.AreEqual("payload", something);
Assert.AreEqual("payload", classHandler.Value);
}
public void NotKeepAliveKeepsDelegateIfStillAlive()
{
var delegates = new SomeClassHandler();
var delegateReference = new DelegateReference((Action <string>)delegates.DoEvent, false);
GC.Collect();
Assert.IsNotNull(delegateReference.Target);
delegates = null;
GC.Collect();
Assert.IsNull(delegateReference.Target);
}
public void NotKeepAliveKeepsDelegateIfStillAlive()
{
var delegates = new SomeClassHandler();
var delegateReference = new DelegateReference((Action <string>)delegates.DoEvent, false);
GC.Collect();
Assert.NotNull(delegateReference.Target);
GC.KeepAlive(delegates); //Makes delegates ineligible for garbage collection until this point (to prevent oompiler optimizations that may release the referenced object prematurely).
delegates = null;
GC.Collect();
Assert.Null(delegateReference.Target);
}
public void ShouldAllowCollectionOfOriginalDelegate()
{
var classHandler = new SomeClassHandler();
Action<string> myAction = new Action<string>(classHandler.MyAction);
var weakAction = new DelegateReference(myAction, false);
var originalAction = new WeakReference(myAction);
myAction = null;
GC.Collect();
Assert.IsFalse(originalAction.IsAlive);
((Action<string>)weakAction.Target)("payload");
Assert.AreEqual("payload", classHandler.MyActionArg);
}
public void NotKeepAliveKeepsDelegateIfStillAlive()
{
var delegates = new SomeClassHandler();
var delegateReference = new DelegateReference((Action<string>)delegates.DoEvent, false);
GC.Collect();
Assert.IsNotNull(delegateReference.Target);
GC.KeepAlive(delegates); //Makes delegates ineligible for garbage collection until this point (to prevent oompiler optimizations that may release the referenced object prematurely).
delegates = null;
GC.Collect();
Assert.IsNull(delegateReference.Target);
}
public void ShouldAllowCollectionOfOriginalDelegate()
{
var classHandler = new SomeClassHandler();
Action<string> myAction = new Action<string>(classHandler.MyAction);
var weakAction = new DelegateReference(myAction, false);
var originalAction = new WeakReference(myAction);
myAction = null;
GC.Collect();
Assert.IsFalse(originalAction.IsAlive);
((Action<string>)weakAction.Target)("payload");
Assert.AreEqual("payload", classHandler.MyActionArg);
}
public async Task TargetEqualsNullShouldReturnTrueIfTargetNotAlive()
{
SomeClassHandler handler = new SomeClassHandler();
var weakHandlerRef = new WeakReference(handler);
var action = new DelegateReference((Action <string>)handler.DoEvent, false);
handler = null;
// Intentional delay to encourage Garbage Collection to actually occur
await Task.Delay(100);
GC.Collect();
Assert.False(weakHandlerRef.IsAlive);
Assert.True(action.TargetEquals(null));
}
public void Should_Allow_Collection_Of_Original_Delegate()
{
var classHandler = new SomeClassHandler();
Action<string> myAction = classHandler.MyAction;
var weakAction = new DelegateReference(myAction, false);
var originalAction = new WeakReference(myAction);
// ReSharper disable RedundantAssignment
myAction = null;
// ReSharper restore RedundantAssignment
GC.Collect();
Assert.False(originalAction.IsAlive);
((Action<string>)weakAction.Target)("payload");
Assert.Equal("payload", classHandler.MyActionArg);
}
public void Should_Allow_Collection_Of_Original_Delegate()
{
var classHandler = new SomeClassHandler();
Action <string> myAction = classHandler.MyAction;
var weakAction = new DelegateReference(myAction, false);
var originalAction = new WeakReference(myAction);
// ReSharper disable RedundantAssignment
myAction = null;
// ReSharper restore RedundantAssignment
GC.Collect();
Assert.False(originalAction.IsAlive);
((Action <string>)weakAction.Target)("payload");
Assert.Equal("payload", classHandler.MyActionArg);
}
public async Task ShouldAllowCollectionOfOriginalDelegate()
{
var classHandler = new SomeClassHandler();
Action <string> myAction = new(classHandler.MyAction);
var weakAction = new DelegateReference(myAction, false);
var originalAction = new WeakReference(myAction);
myAction = null;
await Task.Delay(100);
GC.Collect();
Assert.False(originalAction.IsAlive);
((Action <string>)weakAction.Target)("payload");
Assert.Equal("payload", classHandler.MyActionArg);
}
public void Should_Return_Null_If_Target_NotAlive()
{
SomeClassHandler handler = new SomeClassHandler();
var weakHandlerRef = new WeakReference(handler);
var action = new DelegateReference((Action<string>)handler.DoEvent, false);
// ReSharper disable RedundantAssignment
handler = null;
// ReSharper restore RedundantAssignment
GC.Collect();
Assert.False(weakHandlerRef.IsAlive);
Assert.Null(action.Target);
}
