deno.land / std@0.166.0 / node / _tools / test / parallel / test-stream-readable-resume-hwm.js
1234567891011121314151617181920212223242526272829// deno-fmt-ignore-file// deno-lint-ignore-file
// Copyright Joyent and Node contributors. All rights reserved. MIT license.// Taken from Node 18.12.0// This file is automatically generated by "node/_tools/setup.ts". Do not modify this file manually
'use strict';const common = require('../common');const { Readable } = require('stream');
// readable.resume() should not lead to a ._read() call being scheduled// when we exceed the high water mark already.
const readable = new Readable({ read: common.mustNotCall(), highWaterMark: 100});
// Fill up the internal buffer so that we definitely exceed the HWM:for (let i = 0; i < 10; i++) readable.push('a'.repeat(200));
// Call resume, and pause after one chunk.// The .pause() is just so that we don’t empty the buffer fully, which would// be a valid reason to call ._read().readable.resume();readable.once('data', common.mustCall(() => readable.pause()));
Version Info