public async Task Test_NavigateBackWhileAction_Causes_Rotuer_To_Navigate_Backwards_While_The_Func_Is_True()
{
Resolver.Register(() => new TestViewModel(), typeof(TestViewModel));
var navigator = new Navigator();
Router = new Router(navigator);
var initParams = new RouterConfig()
{
ViewModelMap = new Dictionary <Type, RouteActions>()
{
{
typeof(TestViewModel),
new RouteActions()
{
Actions = new[]
{
RouteActions.NavigateBackWhile(transition => transition.ViewModel is TestViewModel),
RouteActions.Navigate()
}
}
}
}
};
await Router.InitAsync(initParams);
await Router.ShowAsync <TestViewModel, TestParams>();
await Router.ShowAsync <TestViewModel, TestParams>();
Assert.Collection(navigator.TransitionStack,
t => t.ViewModel.Should().BeAssignableTo <TestViewModel>());
}
public IRouteBuilder NavigateBackWhile(Func <Transition, bool> goBackWhile)
{
if (goBackWhile == null)
{
throw new ArgumentNullException(nameof(goBackWhile));
}
actions.Add(RouteActions.NavigateBackWhile(goBackWhile));
return(this);
}