mirror of https://github.com/nodejs/node.git
32 lines
542 B
JavaScript
32 lines
542 B
JavaScript
'use strict';
|
|
const common = require('../common.js');
|
|
const {
|
|
ReadableStream,
|
|
} = require('node:stream/web');
|
|
|
|
const bench = common.createBenchmark(main, {
|
|
n: [1e5],
|
|
});
|
|
|
|
|
|
async function main({ n }) {
|
|
const rs = new ReadableStream({
|
|
pull: function(controller) {
|
|
controller.enqueue(1);
|
|
},
|
|
});
|
|
|
|
let x = 0;
|
|
|
|
bench.start();
|
|
for await (const chunk of rs) {
|
|
x += chunk;
|
|
if (x > n) {
|
|
break;
|
|
}
|
|
}
|
|
// Use x to ensure V8 does not optimize away the loop as a noop.
|
|
console.assert(x);
|
|
bench.end(n);
|
|
}
|