|
public static AddStructureChangedEventHandler ( |
||
| element | ||
| scope | TreeScope | |
| eventHandler | StructureChangedEventHandler | |
| return | void | |
public void StructureEventTest()
//this test also tested WindowPattern.WindowOpenedEvent (i.e. AddAutomationEventHandler)
{
int automationEventCount = 0;
int structureEventCount = 0;
AutomationEvent eventId = null;
AutomationEventHandler automationEventHandler = (o, e) =>
{
automationEventCount++;
eventId = e.EventId;
};
At.AddAutomationEventHandler(
WindowPattern.WindowOpenedEvent,
AutomationElement.RootElement, TreeScope.Children,
automationEventHandler);
StructureChangedEventHandler structureEventHandler = (o, e) =>
{
if (e.StructureChangeType == StructureChangeType.ChildAdded)
{
structureEventCount++;
}
};
At.AddStructureChangedEventHandler(
AutomationElement.RootElement, TreeScope.Children, structureEventHandler);
int pid = OpenForm();
Thread.Sleep(3000);
Assert.AreEqual(1, structureEventCount, "[OpenForm] count of StructureChangedEvent");
Assert.AreEqual(1, automationEventCount, "[OpenForm] count of WindowOpenedEvent");
Assert.AreEqual(WindowPattern.WindowOpenedEvent, eventId);
automationEventCount = 0;
structureEventCount = 0;
At.RemoveAllEventHandlers();
int pid2 = OpenForm();
Thread.Sleep(3000);
Assert.AreEqual(0, structureEventCount);
Assert.AreEqual(0, automationEventCount);
structureEventHandler = (o, e) =>
{
structureEventCount++;
};
At.AddStructureChangedEventHandler(
AutomationElement.RootElement, TreeScope.Children, structureEventHandler);
CloseForm(pid);
CloseForm(pid2);
Thread.Sleep(3000);
// Note: I expect 2 events here (whose StructureChangeType are both ChildRemoved)
// But as tested on Win 7, we'll actually get no event,
// And with our current implementation, we'll get 4 events (i.e. besides the 2 expected events, we
// get other 2 ChildRemoved events, whose sender is the "testFormElement")
Assert.AreEqual(0, structureEventCount, "[CloseForm] count of StructureChangedEvent");
}
public void StructureEventTest()
{
List <AutomationElement> elementEventSenders = new List <AutomationElement> ();
List <StructureChangeType> elementEventChangeTypes = new List <StructureChangeType> ();
List <AutomationElement> childrenEventSenders = new List <AutomationElement> ();
List <StructureChangeType> childrenEventChangeTypes = new List <StructureChangeType> ();
StructureChangedEventHandler elementHandler = delegate(object sender, StructureChangedEventArgs args) {
elementEventSenders.Add(sender as AutomationElement);
elementEventChangeTypes.Add(args.StructureChangeType);
};
At.AddStructureChangedEventHandler(panel1Element, TreeScope.Element, elementHandler);
StructureChangedEventHandler childrenHandler = delegate(object sender, StructureChangedEventArgs args) {
childrenEventSenders.Add(sender as AutomationElement);
childrenEventChangeTypes.Add(args.StructureChangeType);
};
At.AddStructureChangedEventHandler(panel1Element, TreeScope.Children, childrenHandler);
InvokePattern addAction = (InvokePattern)btnAddTextboxElement.GetCurrentPattern(InvokePattern.Pattern);
InvokePattern removeAction = (InvokePattern)btnRemoveTextboxElement.GetCurrentPattern(InvokePattern.Pattern);
addAction.Invoke();
Thread.Sleep(1000);
Assert.AreEqual(1, elementEventSenders.Count, "Check event count");
Assert.AreEqual(panel1Element, elementEventSenders [0], "Check ChildrenInvalidated event sender");
Assert.AreEqual(StructureChangeType.ChildrenInvalidated,
elementEventChangeTypes [0], "Check ChildrenInvalidated event type");
Assert.AreEqual(1, childrenEventSenders.Count, "Check event count");
Assert.AreEqual(StructureChangeType.ChildAdded,
childrenEventChangeTypes [0], "Check ChildAdded event type");
removeAction.Invoke();
Thread.Sleep(1000);
Assert.AreEqual(3, elementEventSenders.Count, "Check event count");
Assert.AreEqual(panel1Element, elementEventSenders [1], "Check event sender");
Assert.AreEqual(panel1Element, elementEventSenders [2], "Check event sender");
Assert.IsTrue((elementEventChangeTypes [1] == StructureChangeType.ChildRemoved &&
elementEventChangeTypes [2] == StructureChangeType.ChildrenInvalidated) ||
(elementEventChangeTypes [1] == StructureChangeType.ChildrenInvalidated &&
elementEventChangeTypes [2] == StructureChangeType.ChildRemoved),
"Check event type");
addAction.Invoke();
Thread.Sleep(1000);
Assert.AreEqual(4, elementEventSenders.Count, "Check event count");
Assert.AreEqual(panel1Element, elementEventSenders [3], "Check ChildrenInvalidated event sender");
Assert.AreEqual(StructureChangeType.ChildrenInvalidated,
elementEventChangeTypes [3], "Check ChildrenInvalidated event type");
Assert.AreEqual(2, childrenEventSenders.Count, "Check event count");
Assert.AreEqual(StructureChangeType.ChildAdded,
childrenEventChangeTypes [1], "Check ChildAdded event type");
At.RemoveStructureChangedEventHandler(panel1Element, elementHandler);
At.RemoveStructureChangedEventHandler(panel1Element, childrenHandler);
addAction.Invoke();
Thread.Sleep(1000);
Assert.AreEqual(4, elementEventSenders.Count, "Element event count didn't change");
Assert.AreEqual(2, childrenEventSenders.Count, "Children event count didn't change");
}
public void ArgumentExceptionTest()
{
Action action = () => {
At.AddAutomationEventHandler(InvokePattern.InvokedEvent,
null, TreeScope.Element, (o, e) => {});
};
AssertRaises <ArgumentNullException>(action,
"Pass null as element to AddAutomationEventHandler");
action = () => {
At.AddAutomationPropertyChangedEventHandler(
null, TreeScope.Element, (o, e) => {}, AEIds.NameProperty);
};
AssertRaises <ArgumentNullException>(action,
"Pass null as element to AddAutomationPropertyChangedEventHandler");
action = () => {
At.AddStructureChangedEventHandler(
null, TreeScope.Element, (o, e) => {});
};
AssertRaises <ArgumentNullException>(action,
"Pass null as element to AddStructureChangedEventHandler");
action = () => {
At.AddAutomationEventHandler(InvokePattern.InvokedEvent,
button1Element, TreeScope.Element, null);
};
AssertRaises <ArgumentNullException>(action,
"Pass null as handler to AddAutomationEventHandler");
action = () => {
At.AddAutomationPropertyChangedEventHandler(
button1Element, TreeScope.Element, null, AEIds.NameProperty);
};
AssertRaises <ArgumentNullException>(action,
"Pass null as handler to AddAutomationPropertyChangedEventHandler");
action = () => {
At.AddStructureChangedEventHandler(
button1Element, TreeScope.Element, null);
};
AssertRaises <ArgumentNullException>(action,
"Pass null as handler to AddStructureChangedEventHandler");
action = () => {
At.AddAutomationFocusChangedEventHandler(null);
};
AssertRaises <ArgumentNullException>(action,
"Pass null as handler to AddAutomationFocusChangedEventHandler");
action = () => {
At.RemoveAutomationEventHandler(InvokePattern.InvokedEvent,
null, (o, e) => {});
};
AssertRaises <ArgumentNullException>(action,
"Pass null as element to RemoveAutomationEventHandler");
action = () => {
At.RemoveAutomationPropertyChangedEventHandler(
null, (o, e) => {});
};
AssertRaises <ArgumentNullException>(action,
"Pass null as element to RemoveAutomationPropertyChangedEventHandler");
action = () => {
At.RemoveStructureChangedEventHandler(
null, (o, e) => {});
};
AssertRaises <ArgumentNullException>(action,
"Pass null as element to RemoveStructureChangedEventHandler");
action = () => {
At.RemoveAutomationEventHandler(InvokePattern.InvokedEvent,
button1Element, null);
};
AssertRaises <ArgumentNullException>(action,
"Pass null as handler to RemoveAutomationEventHandler");
action = () => {
At.RemoveAutomationPropertyChangedEventHandler(
button1Element, null);
};
AssertRaises <ArgumentNullException>(action,
"Pass null as handler to RemoveAutomationPropertyChangedEventHandler");
action = () => {
At.RemoveStructureChangedEventHandler(
button1Element, null);
};
AssertRaises <ArgumentNullException>(action,
"Pass null as handler to RemoveStructureChangedEventHandler");
action = () => {
At.RemoveAutomationFocusChangedEventHandler(null);
};
AssertRaises <ArgumentNullException>(action,
"Pass null as handler to RemoveAutomationFocusChangedEventHandler");
//Assert removing a non-existent handler won't fire any exception
At.RemoveAutomationEventHandler(InvokePattern.InvokedEvent,
button1Element, (o, e) => { Console.Write("nop"); });
At.RemoveAutomationPropertyChangedEventHandler(
button1Element, (o, e) => { Console.Write("nop"); });
At.RemoveStructureChangedEventHandler(
button1Element, (o, e) => { Console.Write("nop"); });
At.RemoveAutomationFocusChangedEventHandler(
(o, e) => { Console.Write("nop"); });
}