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.
}
private DataStateBehavior CreateDataStateBehaviorInFalseState()
{
DataStateBehavior dataStateBehavior = CreateDefaultDataStateBehavior();
dataStateBehavior.Binding = CreateObject();
dataStateBehavior.Value = CreateObject();
return(dataStateBehavior);
}
private DataStateBehavior CreateDataStateBehaviorInTrueState()
{
DataStateBehavior dataStateBehavior = CreateDefaultDataStateBehavior();
dataStateBehavior.Binding = ConditionMatchValue;
dataStateBehavior.Value = ConditionMatchValue;
return(dataStateBehavior);
}
public void TrueStateChangesToInvalidValue_ThrowsArgumentException()
{
Grid stateGrid = VisualStateHelper.CreateObjectWithStates <Grid>();
DataStateBehavior dataStateBehavior = CreateEmptyDataStateBehavior();
AttachBehavior(dataStateBehavior, stateGrid);
dataStateBehavior.TrueState = "TrueState";
dataStateBehavior.TrueState = "NonExistantState";
}
private DataStateBehavior CreateDefaultDataStateBehavior()
{
DataStateBehavior dataStateBehavior = new DataStateBehavior()
{
TrueState = VisualStateHelper.DefaultTrueStateName,
FalseState = VisualStateHelper.DefaultFalseStateName,
};
return(dataStateBehavior);
}
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);
}
}
