nodejs/test/parallel/test-fs-non-number-argument...

49 lines
1.1 KiB
JavaScript

'use strict';
const common = require('../common');
const assert = require('assert');
const fs = require('fs');
const path = require('path');
const tmpdir = require('../common/tmpdir');
const tempFile = path.join(tmpdir.path, 'fs-non-number-arguments-throw');
tmpdir.refresh();
fs.writeFileSync(tempFile, 'abc\ndef');
// A sanity check when using numbers instead of strings
const sanity = 'def';
const saneEmitter = fs.createReadStream(tempFile, { start: 4, end: 6 });
assert.throws(
() => {
fs.createReadStream(tempFile, { start: '4', end: 6 });
},
{
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError'
});
assert.throws(
() => {
fs.createReadStream(tempFile, { start: 4, end: '6' });
},
{
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError'
});
assert.throws(
() => {
fs.createWriteStream(tempFile, { start: '4' });
},
{
code: 'ERR_INVALID_ARG_TYPE',
name: 'TypeError'
});
saneEmitter.on('data', common.mustCall(function(data) {
assert.strictEqual(
sanity, data.toString('utf8'),
`read ${data.toString('utf8')} instead of ${sanity}`);
}));