// 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'; const common = require('../common'); const assert = require('assert'); const fs = require('fs'); const stream = fs.createReadStream(__filename, { bufferSize: 64 }); const err = new Error('BAM'); stream.on('error', common.mustCall((err_) => { process.nextTick(common.mustCall(() => { assert.strictEqual(stream.fd, null); assert.strictEqual(err_, err); })); })); fs.close = common.mustCall((fd_, cb) => { assert.strictEqual(fd_, stream.fd); process.nextTick(cb); }); const read = fs.read; fs.read = function() { // first time is ok. read.apply(fs, arguments); // then it breaks fs.read = common.mustCall(function() { const cb = arguments[arguments.length - 1]; process.nextTick(() => { cb(err); }); // and should not be called again! fs.read = () => { throw new Error('BOOM!'); }; }); }; stream.on('data', (buf) => { stream.on('data', common.mustNotCall("no more 'data' events should follow")); });