Merge pull request #15 from IvanMurzak/reference-destructor

Reference destructor

Author: IvanMurzak

Assets/_PackageRoot/Runtime/Reference.cs

@@ -83,5 +83,9 @@ public void Dispose()
                     ImageLoader.ClearMemoryCache(Url);
             }
         }
+        ~Reference()
+        {
+            Dispose();
+        }
     }
 }

Assets/_PackageRoot/Tests/Editor/TestReference.cs

@@ -40,6 +40,57 @@ public IEnumerator CleanMemoryCache()
             Assert.AreEqual(0, Reference<Sprite>.Counter(url1));
         }
 
+        //[UnityTest]
+        //public IEnumerator DisposeOnOutOfScope()
+        //{
+        //    yield return ImageLoader.ClearCache().AsUniTask().ToCoroutine();
+        //    ImageLoader.settings.useDiskCache = true;
+        //    ImageLoader.settings.useMemoryCache = true;
+
+        //    foreach (var url in ImageURLs)
+        //    {
+        //        var task = ImageLoader.LoadSpriteRef(url).AsTask();
+        //        while (!task.IsCompleted)
+        //            yield return null;
+
+        //        Assert.AreEqual(1, Reference<Sprite>.Counter(url));
+        //    }
+
+        //    yield return null;
+        //    System.GC.Collect(100, System.GCCollectionMode.Forced, blocking: true);
+        //    yield return null;
+
+        //    foreach (var url in ImageURLs)
+        //    {
+        //        Assert.AreEqual(0, Reference<Sprite>.Counter(url));
+        //    }
+        //}
+
+        [UnityTest]
+        public IEnumerator DisposeOnOutDisposingBlock()
+        {
+            yield return ImageLoader.ClearCache().AsUniTask().ToCoroutine();
+            ImageLoader.settings.useDiskCache = true;
+            ImageLoader.settings.useMemoryCache = true;
+
+            foreach (var url in ImageURLs)
+            {
+                var task = ImageLoader.LoadSpriteRef(url).AsTask();
+                while (!task.IsCompleted)
+                    yield return null;
+
+                using (var reference = task.Result)
+                {
+                    Assert.AreEqual(1, Reference<Sprite>.Counter(url));
+                }
+                Assert.AreEqual(0, Reference<Sprite>.Counter(url));
+            }
+            foreach (var url in ImageURLs)
+            {
+                Assert.AreEqual(0, Reference<Sprite>.Counter(url));
+            }
+        }
+
         [UnityTest]
         public IEnumerator CleanMemoryCacheAll()
         {

Assets/_PackageRoot/package.json

@@ -5,7 +5,7 @@
         "name": "Ivan Murzak",
         "url": "https://github.com/IvanMurzak"
     },
-    "version": "3.0.0",
+    "version": "3.0.1",
     "unity": "2019.2",
     "description": "Asynchronous image loading from remote or local destination. It has two layers of configurable Memory and Disk cache systems.",
     "dependencies": {