node/test/parallel/test-stream-readable-infinite-read.js
Matteo Collina cd302d70dd stream: make _read() be called indefinitely if the user wants so
Fixes: https://github.com/nodejs/node/issues/26097

PR-URL: https://github.com/nodejs/node/pull/26135
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Anna Henningsen <anna@addaleax.net>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de>
2019-02-28 16:12:26 +01:00

33 lines
700 B
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const { Readable } = require('stream');
const buf = Buffer.alloc(8192);
const readable = new Readable({
read: common.mustCall(function() {
this.push(buf);
}, 31)
});
let i = 0;
readable.on('readable', common.mustCall(function() {
if (i++ === 10) {
// We will just terminate now.
process.removeAllListeners('readable');
return;
}
const data = readable.read();
// TODO(mcollina): there is something odd in the highWaterMark logic
// investigate.
if (i === 1) {
assert.strictEqual(data.length, 8192 * 2);
} else {
assert.strictEqual(data.length, 8192 * 3);
}
}, 11));