Initial Commit

Library/PackageCache/com.unity.ugui@1.0.0/Tests/Editor/UnityEvent/UnityEventInvoke.cs

@@ -0,0 +1,63 @@
+using UnityEngine;
+using UnityEngine.Events;
+using UnityEditor;
+using UnityEditor.Events;
+using UnityEngine.TestTools;
+using NUnit.Framework;
+using System.Collections;
+
+public class UnityEventInvoke
+{
+    class SimpleCounter : MonoBehaviour
+    {
+        public int m_Count = 0;
+
+        public void Add()
+        {
+            ++m_Count;
+        }
+
+        public void NoOp(int i)
+        {
+        }
+    }
+
+    GameObject m_CounterObject;
+    SimpleCounter Counter { get; set; }
+
+    [SetUp]
+    public void TestSetup()
+    {
+        m_CounterObject = new GameObject("Counter");
+        Counter = m_CounterObject.AddComponent<SimpleCounter>();
+    }
+
+    [TearDown]
+    public void TearDown()
+    {
+        GameObject.DestroyImmediate(m_CounterObject);
+    }
+
+    [Test]
+    [Description("Using a CachedInvokableCall in a UnityEvent should not go re-trigger all the calls stored in the UnityEvent. Case-950588")]
+    public void UnityEvent_InvokeCallsListenerOnce()
+    {
+        var _event = new UnityEvent();
+        UnityEventTools.AddPersistentListener(_event, new UnityAction(Counter.Add));
+        _event.SetPersistentListenerState(0, UnityEventCallState.EditorAndRuntime);
+
+        _event.Invoke();
+
+        Assert.AreEqual(1, Counter.m_Count);
+
+        for (int i = 1; i < 5; ++i)
+        {
+            UnityEventTools.AddIntPersistentListener(_event, new UnityAction<int>(Counter.NoOp), i);
+            _event.SetPersistentListenerState(i, UnityEventCallState.EditorAndRuntime);
+        }
+
+        _event.Invoke();
+
+        Assert.AreEqual(2, Counter.m_Count);
+    }
+}