public async Task CancelAfterCloseProtection()
{
var auditor = new TestAuditor();
AuditingManager.RegisterAuditor(auditor);
var vm = new TestViewModel();
Assert.AreEqual(false, auditor.OnViewModelCanceledCalled);
Assert.AreEqual(false, auditor.OnViewModelClosedCalled);
await vm.CancelAndCloseViewModelAsync();
Assert.AreEqual(true, auditor.OnViewModelCanceledCalled);
Assert.AreEqual(true, auditor.OnViewModelClosedCalled);
auditor.OnViewModelCanceledCalled = false;
auditor.OnViewModelClosedCalled = false;
await vm.CancelAndCloseViewModelAsync();
Assert.AreEqual(false, auditor.OnViewModelCanceledCalled);
Assert.AreEqual(false, auditor.OnViewModelClosedCalled);
}