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nodejs/test/parallel/test-fs-empty-readStream.js
James M Snell 4f2e372716 test: add common.noop, default for common.mustCall()
Export a new common.noop no-operation function for general use.
Allow using common.mustCall() without a fn argument to simplify
test cases.

Replace various non-op functions throughout tests with common.noop

PR-URL: https://github.com/nodejs/node/pull/12027
Reviewed-By: Jeremiah Senkpiel <fishrock123@rocketmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Gibson Fahnestock <gibfahn@gmail.com>
Reviewed-By: Teddy Katz <teddy.katz@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Franziska Hinkelmann <franziska.hinkelmann@gmail.com>
2017-03-26 12:47:15 -07:00

57 lines
2.0 KiB
JavaScript

// Copyright Joyent, Inc. and other Node contributors.
//
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//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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'use strict';
const common = require('../common');
const assert = require('assert');
const path = require('path');
const fs = require('fs');
const emptyFile = path.join(common.fixturesDir, 'empty.txt');
fs.open(emptyFile, 'r', common.mustCall((error, fd) => {
assert.ifError(error);
const read = fs.createReadStream(emptyFile, { fd });
read.once('data', common.mustNotCall('data event should not emit'));
read.once('end', common.mustCall());
}));
fs.open(emptyFile, 'r', common.mustCall((error, fd) => {
assert.ifError(error);
const read = fs.createReadStream(emptyFile, { fd });
read.pause();
read.once('data', common.mustNotCall('data event should not emit'));
read.once('end', common.mustNotCall('end event should not emit'));
setTimeout(common.mustCall(() => {
assert.strictEqual(read.isPaused(), true);
}), common.platformTimeout(50));
}));