Upload Kmake

deps/v8/test/mjsunit/harmony/atomics-waitasync-1thread-wake-up-simple.js

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+// 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
+
+(function test() {
+  const sab = new SharedArrayBuffer(16);
+  const i32a = new Int32Array(sab);
+
+  const result = Atomics.waitAsync(i32a, 0, 0);
+  assertEquals(true, result.async);
+  assertTrue(result.value instanceof Promise);
+  assertEquals(1, %AtomicsNumWaitersForTesting(i32a, 0));
+  assertEquals(0, %AtomicsNumUnresolvedAsyncPromisesForTesting(i32a, 0));
+
+  let resolved = false;
+   result.value.then(
+    (value) => { assertEquals("ok", value); resolved = true; },
+    () => { assertUnreachable(); });
+  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);
+})();