prove that autoreleasepool works in a task

Author: mattneub

bk1ch12p490autoreleasepool/bk1ch12p490autoreleasepool/ViewController.swift

@@ -3,14 +3,18 @@ import UIKit
 
 class ViewController: UIViewController {
 
-    let which = 2
+    let which = 3
 
     override func viewDidAppear(_ animated: Bool) {
         super.viewDidAppear(animated)
 
         switch which {
         case 1: self.test()
         case 2: self.test2()
+        case 3:
+            Task {
+                await self.test3()
+            }
         default: break
         }
     }
@@ -36,6 +40,18 @@ class ViewController: UIViewController {
             }
         }
     }
+    
+    // works fine in an async function
+    func test3() async {
+        let path = Bundle.main.path(forResource: "001", ofType: "png")!
+        for j in 0 ..< 50 {
+            autoreleasepool {
+                for i in 0 ..< 100 {
+                    let im = UIImage(contentsOfFile: path)
+                }
+            }
+        }
+    }
 
     func dummy () {
         let myMutableArray = NSMutableArray()