node/test/parallel/test-fs-empty-readStream.js
Adrian Estrada 4a16f9b054 test: improve test-fs-empty-readStream.js
* use const instead of var
* use common.mustCall to control functions execution
* use assert.strictEqual instead of assert.equal
* use arrow functions

PR-URL: https://github.com/nodejs/node/pull/10479
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Italo A. Casas <me@italoacasas.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Brian White <mscdex@mscdex.net>
2017-01-04 10:44:09 -06:00

38 lines
974 B
JavaScript

'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': fd });
read.once('data', () => {
throw new Error('data event should not emit');
});
read.once('end', common.mustCall(function endEvent1() {}));
}));
fs.open(emptyFile, 'r', common.mustCall((error, fd) => {
assert.ifError(error);
const read = fs.createReadStream(emptyFile, { 'fd': fd });
read.pause();
read.once('data', () => {
throw new Error('data event should not emit');
});
read.once('end', function endEvent2() {
throw new Error('end event should not emit');
});
setTimeout(common.mustCall(() => {
assert.strictEqual(read.isPaused(), true);
}), common.platformTimeout(50));
}));