fix(ecmascript): Atomics.notify with zero count (#905)

Author: aapoalas

nova_vm/src/ecmascript/builtins/structured_data/atomics_object.rs

@@ -680,6 +680,10 @@ impl AtomicsObject {
         let gc = gc.into_nogc();
         // SAFETY: not shared.
         let typed_array = unsafe { typed_array.take(agent) }.bind(gc);
+
+        if c == 0 {
+            return Ok(0.into());
+        }
         // 5. Let buffer be typedArray.[[ViewedArrayBuffer]].
         let buffer = typed_array.viewed_array_buffer(agent);
         // 7. If IsSharedArrayBuffer(buffer) is false,

tests/expectations.json

@@ -238,9 +238,6 @@
   "built-ins/AsyncIteratorPrototype/Symbol.asyncDispose/throw-rejected-return.js": "FAIL",
   "built-ins/AsyncIteratorPrototype/Symbol.asyncDispose/throw-return-getter.js": "FAIL",
   "built-ins/AsyncIteratorPrototype/Symbol.asyncDispose/throw-return.js": "FAIL",
-  "built-ins/Atomics/notify/negative-count.js": "FAIL",
-  "built-ins/Atomics/notify/notify-nan.js": "FAIL",
-  "built-ins/Atomics/notify/notify-zero.js": "FAIL",
   "built-ins/Atomics/pause/descriptor.js": "FAIL",
   "built-ins/Atomics/pause/length.js": "FAIL",
   "built-ins/Atomics/pause/name.js": "FAIL",

tests/metrics.json

@@ -1,8 +1,8 @@
 {
   "results": {
     "crash": 72,
-    "fail": 7458,
-    "pass": 39822,
+    "fail": 7455,
+    "pass": 39825,
     "skip": 3325,
     "timeout": 19,
     "unresolved": 37