playtest-unity/playtest/Library/PackageCache/com.unity.ugui@1.0.0/Tests/Editor/EventSystem/EventTriggerRemoveDuringExe...

39 lines
1.5 KiB
C#

using NUnit.Framework;
using UnityEngine;
using UnityEngine.EventSystems;
public class EventTriggerRemoveDuringExecution
{
[Test]
[Description("ArgumentOutOfRange Exception is thrown when removing handler in callback in EventTrigger (case 1401557)")]
public void EventTrigger_DoesNotThrowExceptionWhenRemovingEventDuringExecution()
{
var go = new GameObject();
var eventTrigger = go.AddComponent<EventTrigger>();
var eventSystem = go.AddComponent<EventSystem>();
var entry1 = new EventTrigger.Entry { eventID = EventTriggerType.PointerDown };
var entry2 = new EventTrigger.Entry { eventID = EventTriggerType.PointerDown };
bool executed1 = false;
bool executed2 = false;
entry1.callback.AddListener(e =>
{
executed1 = true;
eventTrigger.triggers.Remove(entry2);
});
entry2.callback.AddListener(e => executed2 = true);
eventTrigger.triggers.Add(entry1);
eventTrigger.triggers.Add(entry2);
Assert.DoesNotThrow(() => eventTrigger.OnPointerDown(new PointerEventData(eventSystem)));
Assert.True(executed1, "Expected Event 1 to be called but it was not.");
Assert.False(executed2, "Expected Event 2 to not be called as it was removed by event 1.");
Assert.That(eventTrigger.triggers, Does.Not.Contains(entry2));
Assert.That(eventTrigger.triggers, Does.Contain(entry1));
Object.DestroyImmediate(go);
}
}