public void EventArgsConverter_PassEventArgsToCommand()
{
var button = new Button();
int dataContextChangedCount = 0;
int dataContextChangedCount2 = 0;
button.DataContextChanged += (d, e) => dataContextChangedCount2++;
var eventArgsConverter = new EventArgsConverterTestClass();
var eventToCommand = new EventToCommand()
{
EventName = "DataContextChanged",
Command = new DelegateCommand(() => dataContextChangedCount++),
EventArgsConverter = eventArgsConverter
};
Interaction.GetBehaviors(button).Add(eventToCommand);
Assert.AreEqual(dataContextChangedCount2, dataContextChangedCount);
Assert.AreEqual(0, eventArgsConverter.Count);
button.DataContext = "1";
Assert.AreEqual(1, dataContextChangedCount);
Assert.AreEqual(dataContextChangedCount2, dataContextChangedCount);
Assert.AreEqual(1, eventArgsConverter.Count);
eventToCommand.PassEventArgsToCommand = false;
button.DataContext = "2";
Assert.AreEqual(2, dataContextChangedCount);
Assert.AreEqual(dataContextChangedCount2, dataContextChangedCount);
Assert.AreEqual(1, eventArgsConverter.Count);
}
public void EventArgsConverter_PassEventArgsToCommand() {
var button = new Button();
int dataContextChangedCount = 0;
int dataContextChangedCount2 = 0;
button.DataContextChanged += (d, e) => dataContextChangedCount2++;
var eventArgsConverter = new EventArgsConverterTestClass();
var eventToCommand = new EventToCommand() {
EventName = "DataContextChanged",
Command = new DelegateCommand(() => dataContextChangedCount++),
EventArgsConverter = eventArgsConverter
};
Interaction.GetBehaviors(button).Add(eventToCommand);
Assert.AreEqual(dataContextChangedCount2, dataContextChangedCount);
Assert.AreEqual(0, eventArgsConverter.Count);
button.DataContext = "1";
Assert.AreEqual(1, dataContextChangedCount);
Assert.AreEqual(dataContextChangedCount2, dataContextChangedCount);
Assert.AreEqual(1, eventArgsConverter.Count);
eventToCommand.PassEventArgsToCommand = false;
button.DataContext = "2";
Assert.AreEqual(2, dataContextChangedCount);
Assert.AreEqual(dataContextChangedCount2, dataContextChangedCount);
#if !NETFX_CORE
Assert.AreEqual(1, eventArgsConverter.Count);
#else
Assert.AreEqual(2, eventArgsConverter.Count);
eventToCommand.EventArgsConverter = null;
button.DataContext = "2";
Assert.AreEqual(3, dataContextChangedCount);
Assert.AreEqual(dataContextChangedCount2, dataContextChangedCount);
Assert.AreEqual(2, eventArgsConverter.Count);
#endif
}
