public void InvalidEventNameShouldThrowArgumentExceptionText()
{
var behavior = new MockEventToCommandBehavior
{
EventName = "OnItemTapped"
};
var listView = new ListView();
Assert.Throws <ArgumentException>(() => listView.Behaviors.Add(behavior));
}
public void CommandCanExecuteTest()
{
var behavior = new MockEventToCommandBehavior
{
EventName = "ItemTapped",
Command = new Command(() => Assert.True(false), () => false)
};
var listView = new ListView();
listView.Behaviors.Add(behavior);
behavior.RaiseEvent(listView, null);
}
public void CommandCanExecuteWithParameterShouldNotExecuteTest()
{
bool shouldExecute = false;
var behavior = new MockEventToCommandBehavior
{
EventName = "ItemTapped",
CommandParameter = shouldExecute,
Command = new Command <string>(o => Assert.True(false), o => o.Equals(true))
};
var listView = new ListView();
listView.Behaviors.Add(behavior);
behavior.RaiseEvent(listView, null);
}
public void CommandExecutedWhenEventFiresText()
{
bool executedCommand = false;
var behavior = new MockEventToCommandBehavior
{
EventName = "ItemTapped",
Command = new Command(() =>
{
executedCommand = true;
})
};
var listView = new ListView();
listView.Behaviors.Add(behavior);
behavior.RaiseEvent(listView, null);
Assert.True(executedCommand);
}
public void CommandWithConverterTest()
{
const string item = "ItemProperty";
bool executedCommand = false;
var behavior = new MockEventToCommandBehavior
{
EventName = "ItemTapped",
EventArgsConverter = new ItemTappedEventArgsConverter(false),
Command = new Command <string>(o =>
{
executedCommand = true;
Assert.NotNull(o);
Assert.Equal(item, o);
})
};
var listView = new ListView();
listView.Behaviors.Add(behavior);
behavior.RaiseEvent(listView, new ItemTappedEventArgs(listView, item));
Assert.True(executedCommand);
}