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Test Info:
- Manifest: dom/workers/test/browser.toml
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
const wdm = Cc["@mozilla.org/dom/workers/workerdebuggermanager;1"].getService(
Ci.nsIWorkerDebuggerManager
);
const WORKER_URL = BASE_URL + "WorkerDebugger.initialize_waiting_worker.js";
const DEBUGGER_URL = BASE_URL + "WorkerDebugger.initialize_waiting_debugger.js";
add_task(async function test() {
const onDbg = waitForRegister(WORKER_URL);
const worker = new Worker(WORKER_URL);
// Wait for the worker to be initialized and have called Atomics.wait
// otherwise WorkerDebugger.initialize may evaluate the debugger script
// before the worker is paused on wait().
info("Wait for worker to be initialized");
await new Promise(resolve => {
worker.onmessage = resolve;
});
const dbg = await onDbg;
info("Calling WorkerDebugger::Initialize");
const onDebuggerScriptEvaluated = new Promise(resolve => {
const listener = {
onMessage(msg) {
is(msg, "debugger script ran");
dbg.removeListener(listener);
resolve();
},
};
dbg.addListener(listener);
});
dbg.initialize(DEBUGGER_URL);
ok(true, "dbg.initialize didn't throw");
info("Waiting for debugger script to be evaluated and dispatching a message");
await onDebuggerScriptEvaluated;
info("Terminating the worker and waiting for it to be unregistered");
const onUnregistered = waitForUnregister(WORKER_URL);
worker.terminate();
await onUnregistered;
});
function waitForRegister(url, dbgUrl) {
return new Promise(function (resolve) {
wdm.addListener({
onRegister(dbg) {
if (dbg.url !== url) {
return;
}
ok(true, "Debugger with url " + url + " should be registered.");
wdm.removeListener(this);
resolve(dbg);
},
});
});
}
function waitForUnregister(url) {
return new Promise(function (resolve) {
wdm.addListener({
onUnregister(dbg) {
if (dbg.url !== url) {
return;
}
ok(true, "Debugger with url " + url + " should be unregistered.");
wdm.removeListener(this);
resolve();
},
});
});
}