public void ExecuteInvokesAction()
{
var invoked = false;
Action<object> action = obj => invoked = true;
var command = new ActionCommand(action);
command.Execute();
Assert.IsTrue(invoked);
}
public void ExecuteOverloadInvokesActionWithParameter()
{
var invoked = false;
Action<object> action = obj =>
{
Assert.IsNotNull(obj);
invoked = true;
};
var command = new ActionCommand(action);
command.Execute(new object());
Assert.IsTrue(invoked);
}
public void CanExecuteOverloadExecutesFalsePredicate()
{
var command = new ActionCommand(obj => { }, obj => (int)obj == 1);
Assert.IsFalse(command.CanExecute(0));
}
public void CanExecuteIsTrueByDefault()
{
var command = new ActionCommand(obj => { });
Assert.IsTrue(command.CanExecute(null));
}
public void ConstructorThrowsExceptionIfActionParameterIsNull()
{
var command = new ActionCommand(null);
command.CanExecute(false);
}