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