public void ConnectingChangesValue()
{
var connectableProperty = new ConnectableProperty <int>(0);
connectableProperty.Connect(parent);
connectableProperty.Value.Should().Be(1);
}
public void ParentValueChangesTriggerValueChangeInConnectableProperty()
{
var connectableProperty = new ConnectableProperty <int>(0);
connectableProperty.Connect(parent);
parent.Value = 2;
connectableProperty.Value.Should().Be(2);
}
private void connectableProperty()
{
var connectable = new ConnectableProperty <int>(0);
var a = new StoredProperty <int>(8);
Console.WriteLine(connectable.Value); // 0
connectable.Connect(a);
Console.WriteLine(connectable.Value); // 8
}
public void DisconnectingResetsValueToDisconnectedValue()
{
var connectableProperty = new ConnectableProperty <int>(0);
connectableProperty.Connect(parent);
connectableProperty.Value.Should().Be(1, "before disconnecting");
connectableProperty.Disconnect();
connectableProperty.Value.Should().Be(0, "after disconnecting");
}
public void ConnectingWithSameValueDoesNotFireChange()
{
bool eventFired = false;
var connectableProperty = new ConnectableProperty <int>(0);
connectableProperty.PropertyChanged += delegate { eventFired = true; };
connectableProperty.Connect(new StoredProperty <int>(0));
eventFired.Should().BeFalse();
}
public void ConnectingWithDifferentValueFiresChange()
{
bool eventFired = false;
var connectableProperty = new ConnectableProperty <int>(0);
connectableProperty.PropertyChanged += delegate { eventFired = true; };
connectableProperty.Connect(parent);
eventFired.Should().BeTrue();
}
public void DisconnectingWithSameValueResetsValueToDisconnectedValue()
{
var connectableProperty = new ConnectableProperty <int>(0);
connectableProperty.Connect(new StoredProperty <int>(0));
connectableProperty.Value.Should().Be(0, "before disconnecting");
connectableProperty.Disconnect();
connectableProperty.Value.Should().Be(0, "after disconnecting");
}
public void DisconnectingFiresChange()
{
bool eventFired = false;
var connectableProperty = new ConnectableProperty <int>(0);
connectableProperty.Connect(parent);
connectableProperty.PropertyChanged += delegate { eventFired = true; };
eventFired.Should().BeFalse("have not disconnected yet");
connectableProperty.Disconnect();
eventFired.Should().BeTrue("disconnected");
}
public void ParentValueChangesTriggerChangeEventsInConnectableProperty()
{
bool eventFired = false;
var connectableProperty = new ConnectableProperty <int>(0);
connectableProperty.Connect(parent);
connectableProperty.PropertyChanged += delegate { eventFired = true; };
eventFired.Should().BeFalse("haven't changed the parent property yet");
parent.Value = 2;
eventFired.Should().BeTrue("parent event changed");
}
public void DisconnectingWithSameValueDoesNotFireChange()
{
bool eventFired = false;
var connectableProperty = new ConnectableProperty <int>(0);
connectableProperty.Connect(new StoredProperty <int>(0));
connectableProperty.PropertyChanged += delegate { eventFired = true; };
eventFired.Should().BeFalse("have not disconnected yet");
connectableProperty.Disconnect();
eventFired.Should().BeFalse("disconnected, but the value should not have changed from 0 to 0");
}
public void InitialValue()
{
var connectableProperty = new ConnectableProperty <int>(0);
connectableProperty.Value.Should().Be(0, "before connecting");
}
set => SetValue(ConnectableProperty, value);