public void Properties_WithSameTagsButDifferentConnectors_HaveIndependentValues()
{
var carrier = new object();
var other = new PropertyConnector();
PropertyConnector.Default.Get <tag1>(carrier).Set(17);
other.Get <tag1>(carrier).Set(13);
Assert.AreEqual(17, PropertyConnector.Default.Get <tag1>(carrier).Get());
Assert.AreEqual(13, other.Get <tag1>(carrier).Get());
}
public void Properties_WithSameNameButDifferentConnectors_HaveIndependentValues()
{
var carrier = new object();
var name = Guid.NewGuid().ToString("N");
var other = new PropertyConnector();
PropertyConnector.Default.Get(carrier, name).Set(17);
other.Get(carrier, name).Set(13);
Assert.AreEqual(17, PropertyConnector.Default.Get(carrier, name).Get());
Assert.AreEqual(13, other.Get(carrier, name).Get());
}
public void Property_WhenConnectorIsCollected_IsCollected()
{
var name = Guid.NewGuid().ToString("N");
var connector = new PropertyConnector();
var carrier = new object();
var value = new object();
var valueRef = new WeakReference(value);
connector.Get(carrier, name).Set(value);
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
Assert.IsFalse(valueRef.IsAlive);
GC.KeepAlive(carrier);
}
public void Properties_CrossReferencingCarriersAcrossConnectors_WhenCarriersAreCollected_AreCollected()
{
var name = Guid.NewGuid().ToString("N");
var other = new PropertyConnector();
var carrier1 = new object();
var carrierRef1 = new WeakReference(carrier1);
var carrier2 = new object();
var carrierRef2 = new WeakReference(carrier1);
Func <int> value1 = carrier2.GetHashCode;
var valueRef1 = new WeakReference(value1);
Func <int> value2 = carrier1.GetHashCode;
var valueRef2 = new WeakReference(value2);
PropertyConnector.Default.Get(carrier1, name).Set(value1);
other.Get(carrier2, name).Set(value2);
GC.Collect();
Assert.IsFalse(carrierRef1.IsAlive);
Assert.IsFalse(valueRef1.IsAlive);
Assert.IsFalse(carrierRef2.IsAlive);
Assert.IsFalse(valueRef2.IsAlive);
}
public void Property_ReferencingConnector_ActsAsStrongReference()
{
var name = Guid.NewGuid().ToString("N");
var connector = new PropertyConnector();
var connectorRef = new WeakReference(connector);
var carrier = new object();
Func <int> value = connector.GetHashCode;
var valueRef = new WeakReference(value);
connector.Get(carrier, name).Set(value);
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
Assert.IsTrue(valueRef.IsAlive);
Assert.IsTrue(connectorRef.IsAlive);
GC.KeepAlive(carrier);
GC.Collect();
GC.WaitForPendingFinalizers();
GC.Collect();
Assert.IsFalse(valueRef.IsAlive);
Assert.IsFalse(connectorRef.IsAlive);
}
public static IConnectibleProperty <TValue> GetConnectedProperty <TValue, TTag>(this object carrier, bool bypassValidation)
{
Contract.Requires(carrier != null);
Contract.Ensures(Contract.Result <IConnectibleProperty <TValue> >() != null);
return(Connector.Get <TTag>(carrier, bypassValidation).Cast <TValue>());
}
public static IConnectibleProperty <dynamic> GetConnectedProperty(this object carrier, string name, bool bypassValidation = false)
{
Contract.Requires(carrier != null);
Contract.Ensures(Contract.Result <IConnectibleProperty <dynamic> >() != null);
return(Connector.Get(carrier, name ?? Unnamed, bypassValidation));
}