public void EnterExitBusyModeTogglesIsBusy()
{
var model = new TermListViewModelDraft();
Assert.AreEqual(false, model.IsBusy);
model.InvokeEnterBusyMode();
Assert.AreEqual(true, model.IsBusy);
model.InvokeExitBusyMode();
Assert.AreEqual(false, model.IsBusy);
}
public void EnterExitBusyModeConsiderNesting()
{
var model = new TermListViewModelDraft();
var busyModeChangeCount = 0;
model.PropertyChanged += (sender, e) => busyModeChangeCount++;
// Verify that IsBusy changed only once.
model.InvokeEnterBusyMode();
model.InvokeEnterBusyMode();
model.InvokeEnterBusyMode();
Assert.AreEqual(1, busyModeChangeCount);
busyModeChangeCount = 0;
// Verify that IsBusy changed only once.
model.InvokeExitBusyMode();
model.InvokeExitBusyMode();
model.InvokeExitBusyMode();
Assert.AreEqual(1, busyModeChangeCount);
}