deno.land / std@0.166.0 / node / _tools / test / parallel / test-stream-pipe-manual-resume.js

test-stream-pipe-manual-resume.js
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// 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 stream = require('stream');
function test(throwCodeInbetween) { // Check that a pipe does not stall if .read() is called unexpectedly // (i.e. the stream is not resumed by the pipe).
const n = 1000; let counter = n; const rs = stream.Readable({ objectMode: true, read: common.mustCallAtLeast(() => { if (--counter >= 0) rs.push({ counter }); else rs.push(null); }, n) });
const ws = stream.Writable({ objectMode: true, write: common.mustCall((data, enc, cb) => { setImmediate(cb); }, n) });
setImmediate(() => throwCodeInbetween(rs, ws));
rs.pipe(ws);}
test((rs) => rs.read());test((rs) => rs.resume());test(() => 0);
std

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Tagged at
a year ago