public void DoesntThrowWhenHistoryHasMoreThan10Items()
{
var target = new NavigationViewModel();
var pages = new List <IPanePageViewModel>();
for (var i = 0; i < 11; ++i)
{
var page = CreatePage();
pages.Add(page);
target.NavigateTo(page);
}
foreach (var page in pages)
{
page.ClearReceivedCalls();
}
target.Clear();
pages.Last().Received().Deactivated();
pages.Last().Received().Dispose();
foreach (var page in pages.Take(pages.Count - 1))
{
page.DidNotReceive().Deactivated();
page.Received().Dispose();
}
}
public void DisposesRegisteredResources()
{
var target = new NavigationViewModel();
var first = CreatePage();
var disposed = false;
target.NavigateTo(first);
target.RegisterDispose(first, Disposable.Create(() => disposed = true));
target.Clear();
Assert.True(disposed);
}
public void DisposesPages()
{
var target = new NavigationViewModel();
var first = CreatePage();
var disposed = false;
first.When(x => x.Dispose()).Do(_ => disposed = true);
target.NavigateTo(first);
target.Clear();
Assert.True(disposed);
}
public void CallsDeactivatedAndThenDisposedOnPages()
{
var target = new NavigationViewModel();
var first = CreatePage();
target.NavigateTo(first);
target.Clear();
Received.InOrder(() =>
{
first.Deactivated();
first.Dispose();
});
}
public void ClearsTheContentAndHistory()
{
var target = new NavigationViewModel();
var first = CreatePage();
var second = CreatePage();
target.NavigateTo(first);
target.NavigateTo(second);
target.Clear();
Assert.Null(target.Content);
Assert.False(target.NavigateBack.CanExecute(null));
Assert.False(target.NavigateForward.CanExecute(null));
}
