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// Copyright 2022 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: --shared-string-table --harmony-struct
// --allow-natives-syntax
'use strict';
if (this.Worker) {
(function TestSharedArrayPostMessage() {
let workerScript = `onmessage = function(arr) {
arr[0][0] = 42;
arr[1] = "worker";
arr[2].payload = "updated";
postMessage("done");
};
postMessage("started");`;
let worker = new Worker(workerScript, {type: 'string'});
let started = worker.getMessage();
assertEquals('started', started);
let outer_arr = new SharedArray(3);
outer_arr[0] = new SharedArray(1);
outer_arr[1] = 'main';
let Struct = new SharedStructType(['payload']);
let struct = new Struct();
struct.payload = 'original';
outer_arr[2] = struct;
assertEquals('main', outer_arr[1]);
assertEquals(undefined, outer_arr[0][0]);
worker.postMessage(outer_arr);
assertEquals('done', worker.getMessage());
assertEquals('worker', outer_arr[1]);
assertEquals(42, outer_arr[0][0]);
assertEquals('updated', outer_arr[2].payload);
worker.terminate();
})();
}
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