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/* Any copyright is dedicated to the Public Domain.
/* global SerialPort */
"use strict";
function test(condition, message) {
self.postMessage({
type: "test",
result: condition,
message,
});
}
async function runTests() {
try {
// Note that most of this is tested in idlharness tests in
// testing/web-platform/tests/serial/idlharness.https.any.js, this is just
// a few extra tests
test(!!navigator.serial, "navigator.serial should be defined in worker");
test(
navigator.serial instanceof EventTarget,
"navigator.serial should be an EventTarget in worker"
);
let initialOnConnect = navigator.serial.onconnect;
navigator.serial.onconnect = () => {};
test(
typeof navigator.serial.onconnect === "function",
"Should be able to assign onconnect event handler in worker"
);
navigator.serial.onconnect = initialOnConnect;
let initialOnDisconnect = navigator.serial.ondisconnect;
navigator.serial.ondisconnect = () => {};
test(
typeof navigator.serial.ondisconnect === "function",
"Should be able to assign ondisconnect event handler in worker"
);
navigator.serial.ondisconnect = initialOnDisconnect;
let eventListenerCalled = false;
const testListener = () => {
eventListenerCalled = true;
};
navigator.serial.addEventListener("connect", testListener);
navigator.serial.removeEventListener("connect", testListener);
test(
!eventListenerCalled,
"Should be able to add and remove event listeners without errors"
);
let ports = await navigator.serial.getPorts();
test(Array.isArray(ports), "getPorts() should return an array in worker");
test(
ports.length === 0,
"getPorts() should return empty array initially in worker"
);
self.postMessage({ type: "done" });
} catch (e) {
self.postMessage({
type: "error",
message: `Test failed: ${e.message}`,
});
}
}
runTests();