// Copyright Joyent, Inc. and other Node contributors. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the // "Software"), to deal in the Software without restriction, including // without limitation the rights to use, copy, modify, merge, publish, // distribute, sublicense, and/or sell copies of the Software, and to permit // persons to whom the Software is furnished to do so, subject to the // following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN // NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, // DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR // OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE // USE OR OTHER DEALINGS IN THE SOFTWARE. 'use strict'; require('../common'); const fixtures = require('../common/fixtures'); const assert = require('assert'); const fs = require('fs'); const FSReadable = fs.ReadStream; const path = require('path'); const file = path.resolve(fixtures.path('x1024.txt')); const size = fs.statSync(file).size; const expectLengths = [1024]; const Stream = require('stream'); class TestWriter extends Stream { constructor() { super(); this.buffer = []; this.length = 0; } write(c) { this.buffer.push(c.toString()); this.length += c.length; return true; } end(c) { if (c) this.buffer.push(c.toString()); this.emit('results', this.buffer); } } const r = new FSReadable(file); const w = new TestWriter(); w.on('results', function(res) { console.error(res, w.length); assert.strictEqual(w.length, size); assert.deepStrictEqual(res.map(function(c) { return c.length; }), expectLengths); console.log('ok'); }); r.pipe(w);