deno.land / std@0.166.0 / node / _tools / test / parallel / test-stream-pipe-multiple-pipes.js
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// 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');const assert = require('assert');
const readable = new stream.Readable({ read: () => {}});
const writables = [];
for (let i = 0; i < 5; i++) { const target = new stream.Writable({ write: common.mustCall((chunk, encoding, callback) => { target.output.push(chunk); callback(); }, 1) }); target.output = [];
target.on('pipe', common.mustCall()); readable.pipe(target);
writables.push(target);}
const input = Buffer.from([1, 2, 3, 4, 5]);
readable.push(input);
// The pipe() calls will postpone emission of the 'resume' event using nextTick,// so no data will be available to the writable streams until then.process.nextTick(common.mustCall(() => { for (const target of writables) { assert.deepStrictEqual(target.output, [input]);
target.on('unpipe', common.mustCall()); readable.unpipe(target); }
readable.push('something else'); // This does not get through. readable.push(null); readable.resume(); // Make sure the 'end' event gets emitted.}));
readable.on('end', common.mustCall(() => { for (const target of writables) { assert.deepStrictEqual(target.output, [input]); }}));
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