tildefriends/deps/quickjs/tests/test_worker.js

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/* os.Worker API test */
import * as std from "std";
import * as os from "os";
function assert(actual, expected, message) {
if (arguments.length == 1)
expected = true;
if (actual === expected)
return;
if (actual !== null && expected !== null
&& typeof actual == 'object' && typeof expected == 'object'
&& actual.toString() === expected.toString())
return;
throw Error("assertion failed: got |" + actual + "|" +
", expected |" + expected + "|" +
(message ? " (" + message + ")" : ""));
}
var worker;
function test_worker()
{
var counter;
worker = new os.Worker("./test_worker_module.js");
counter = 0;
worker.onmessage = function (e) {
var ev = e.data;
// print("recv", JSON.stringify(ev));
switch(ev.type) {
case "num":
assert(ev.num, counter);
counter++;
if (counter == 10) {
/* test SharedArrayBuffer modification */
let sab = new SharedArrayBuffer(10);
let buf = new Uint8Array(sab);
worker.postMessage({ type: "sab", buf: buf });
}
break;
case "sab_done":
{
let buf = ev.buf;
/* check that the SharedArrayBuffer was modified */
assert(buf[2], 10);
worker.postMessage({ type: "abort" });
}
break;
case "done":
/* terminate */
worker.onmessage = null;
break;
}
};
}
test_worker();