public void Attach_NoStateNamesSet_DoesNothing()
{
Grid stateGrid = VisualStateHelper.CreateObjectWithStates <Grid>();
DataStateBehavior dataStateBehavior = CreateEmptyDataStateBehavior();
AttachBehavior(dataStateBehavior, stateGrid);
// Attaching an empty DataStateBehavior should not cause any problems.
}
public void TrueStateChangesToInvalidValue_ThrowsArgumentException()
{
Grid stateGrid = VisualStateHelper.CreateObjectWithStates <Grid>();
DataStateBehavior dataStateBehavior = CreateEmptyDataStateBehavior();
AttachBehavior(dataStateBehavior, stateGrid);
dataStateBehavior.TrueState = "TrueState";
dataStateBehavior.TrueState = "NonExistantState";
}
public void BindingChangesToNotMatchValue_TransitionsToFalseState()
{
Grid stateGrid = VisualStateHelper.CreateObjectWithStates <Grid>();
DataStateBehavior dataStateBehavior = CreateDataStateBehaviorInTrueState();
VisualStateManagerStub vsmStub = VisualStateHelper.AttachCustomVSM(stateGrid);
AttachBehavior(dataStateBehavior, stateGrid);
dataStateBehavior.Binding = CreateObject();
Assert.AreEqual(vsmStub.LastStateName, VisualStateHelper.DefaultFalseStateName, "Binding change to no longer match Value should have caused a transition to the FalseState");
}
public void ValueChangesToMatchBinding_TransitionsToTrueState()
{
Grid stateGrid = VisualStateHelper.CreateObjectWithStates <Grid>();
DataStateBehavior dataStateBehavior = CreateDataStateBehaviorInFalseState();
VisualStateManagerStub vsmStub = VisualStateHelper.AttachCustomVSM(stateGrid);
AttachBehavior(dataStateBehavior, stateGrid);
dataStateBehavior.Value = dataStateBehavior.Binding;
Assert.AreEqual(vsmStub.LastStateName, VisualStateHelper.DefaultTrueStateName, "Value change to match Binding should have caused a transition to the TrueState");
}
public void FalseStateChanges_TransitionsToNewFalseState()
{
Grid stateGrid = VisualStateHelper.CreateObjectWithStates <Grid>();
DataStateBehavior dataStateBehavior = CreateDataStateBehaviorInFalseState();
VisualStateManagerStub vsmStub = VisualStateHelper.AttachCustomVSM(stateGrid);
AttachBehavior(dataStateBehavior, stateGrid);
dataStateBehavior.FalseState = VisualStateHelper.ArbitraryThirdStateName;
Assert.AreEqual(vsmStub.LastStateName, VisualStateHelper.ArbitraryThirdStateName, "Change in FalseState should have caused a transition to the new state, as Binding does not match Value.");
}
public void Attach_FalseStateDoesNotExist_ThrowsArgumentException()
{
Grid stateGrid = VisualStateHelper.CreateObjectWithStates <Grid>();
DataStateBehavior dataStateBehavior = CreateEmptyDataStateBehavior();
dataStateBehavior.FalseState = "NonExistantState";
using (new StubWindow(stateGrid))
{
AttachBehavior(dataStateBehavior, stateGrid);
}
}
public void GetVisualStateGroups_UserControlControlWithChildStates_ReturnsChildStates()
{
Grid stateGrid = VisualStateHelper.CreateObjectWithStates <Grid>();
UserControl userControl = CreateUserControlWithContent(stateGrid);
using (new StubWindow(userControl))
{
IList vsgs = VisualStateUtilities.GetVisualStateGroups(userControl);
Assert.AreEqual(vsgs.Count, 1, "Should find 1 VisualStateGroup on the UserControl");
}
}
public void GoToState_OnUserControl_WorksProperly()
{
Grid stateGrid = VisualStateHelper.CreateObjectWithStates <Grid>();
UserControl userControl = CreateUserControlWithContent(stateGrid);
userControl.Content = stateGrid;
bool success = VisualStateUtilities.GoToState(userControl, VisualStateHelper.ArbitraryThirdStateName, true);
Assert.IsTrue(success, "GoToState on a valid UserControl state should navigate to the state correctly.");
}
public void Invoke_UseTransitionsIsFalse_TransitionsAreNotUsed()
{
Grid stateGrid = VisualStateHelper.CreateObjectWithStates <Grid>();
GoToStateAction goToStateAction = CreateTestGoToStateAction();
VisualStateManagerStub vsm = VisualStateHelper.AttachCustomVSM(stateGrid);
StubTrigger trigger = AttachAction(goToStateAction, stateGrid);
goToStateAction.StateName = VisualStateHelper.ArbitraryThirdStateName;
goToStateAction.UseTransitions = false;
trigger.FireStubTrigger();
Assert.IsTrue(vsm.LastUseTransitions.HasValue && !vsm.LastUseTransitions.Value, "UseTransitions should be respected by the GoToState call.");
}
public void FindNearestStatefulControl_ContextNestedSeveralLevelsDeep_FindsAppropriateParent()
{
Button button = CreateButton();
Grid grid = VisualStateHelper.CreateObjectWithStates <Grid>();
UserControl userControl = CreateUserControlWithContent(grid);
grid.Children.Add(button);
FrameworkElement nearestControl;
VisualStateUtilities.TryFindNearestStatefulControl(button, out nearestControl);
Assert.AreEqual(nearestControl, userControl, "Using child Grid of UserControl as context, closest stateful control should be UserControl.");
}
public void Invoke_TargetObjectSet_CallsGoToStateOnTarget()
{
UserControl statefulUC = VisualStateHelper.CreateObjectWithStates <UserControl>();
Grid statefulGrid = VisualStateHelper.CreateObjectWithStates <Grid>();
VisualStateManagerStub gridVSM = VisualStateHelper.AttachCustomVSM(statefulGrid);
Grid childGrid = CreateEmptyGrid();
GoToStateAction goToStateAction = CreateTestGoToStateAction();
StubTrigger trigger = AttachAction(goToStateAction, childGrid);
// set up the tree structure
statefulUC.Content = childGrid;
// target the action and set the StateName
goToStateAction.TargetObject = statefulGrid;
goToStateAction.StateName = VisualStateHelper.ArbitraryThirdStateName;
trigger.FireStubTrigger();
Assert.AreEqual(gridVSM.LastStateName, VisualStateHelper.ArbitraryThirdStateName, "test");
}