Upload Kmake

deps/v8/test/mjsunit/harmony/atomics-waitasync-1thread-promise-out-of-scope.js

@@ -0,0 +1,30 @@
+// Copyright 2020 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax --expose-gc
+
+(function test() {
+  const sab = new SharedArrayBuffer(16);
+  const i32a = new Int32Array(sab);
+
+  let resolved = false;
+  (function() {
+    const result = Atomics.waitAsync(i32a, 0, 0);
+    result.value.then(
+      (value) => { assertEquals("ok", value); resolved = true; },
+      () => { assertUnreachable(); });
+    })();
+  // Make sure result gets gc()d.
+  gc();
+
+  const notify_return_value = Atomics.notify(i32a, 0, 1);
+  assertEquals(1, notify_return_value);
+  assertEquals(0, %AtomicsNumWaitersForTesting(i32a, 0));
+  assertEquals(1, %AtomicsNumUnresolvedAsyncPromisesForTesting(i32a, 0));
+
+  setTimeout(()=> {
+    assertTrue(resolved);
+    assertEquals(0, %AtomicsNumUnresolvedAsyncPromisesForTesting(i32a, 0));
+  }, 0);
+})();