public void Create_Synchronous_NoCommandParameter_DefaultState()
{
IInputCommand command = Command.Create(() => { });
Assert.IsType <RelayCommand>(command);
Assert.True(command.CanExecute());
}
public void Create_Synchronous_StronglyTypedCommandParameter_MutableState()
{
IInputCommand <int> command = Command.Create <int>(_ => { }, _ => false);
Assert.IsType <RelayCommand <int> >(command);
Assert.False(command.CanExecute(240));
}
public void Create_Synchronous_StronglyTypedCommandParameter_DefaultState()
{
IInputCommand <int> command = Command.Create <int>(_ => { });
Assert.IsType <RelayCommand <int> >(command);
Assert.True(command.CanExecute(240));
}
public void Create_Synchronous_NoCommandParameter_MutableState()
{
IInputCommand command = Command.Create(() => { }, () => false);
Assert.IsType <RelayCommand>(command);
Assert.False(command.CanExecute());
}
public static bool TryExecute(this IInputCommand command)
{
if (command.CanExecute())
{
command.Execute();
return(true);
}
else
{
return(false);
}
}
public static bool TryExecute <T>(this IInputCommand <T> command, T parameter)
{
if (command.CanExecute(parameter))
{
command.Execute(parameter);
return(true);
}
else
{
return(false);
}
}