node/test/parallel/test-performance-function-async.js
Antoine du Hamel e50cbc1abd
test: enforce better never-settling-promise detection
Tests should be explicit regarding whether a promise is expected to
settle, and the test should fail when the behavior does not meet
expectations.

PR-URL: https://github.com/nodejs/node/pull/60976
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Erick Wendel <erick.workspace@gmail.com>
2025-12-10 23:55:36 +00:00

40 lines
702 B
JavaScript

'use strict';
const common = require('../common');
const {
PerformanceObserver,
performance: {
timerify,
},
} = require('perf_hooks');
const assert = require('assert');
const {
setTimeout: sleep
} = require('timers/promises');
let check = false;
async function doIt() {
await sleep(100);
check = true;
return check;
}
const obs = new PerformanceObserver(common.mustCall((list) => {
const entry = list.getEntries()[0];
assert.strictEqual(entry.name, 'doIt');
assert(check);
obs.disconnect();
}));
obs.observe({ type: 'function' });
const timerified = timerify(doIt);
const res = timerified();
assert(res instanceof Promise);
res.then(assert).then(common.mustCall());