mirror of
https://github.com/nodejs/node.git
synced 2024-12-01 16:10:02 +01:00
644fdd60d4
Add punctuation and comments about code that should not throw. Also remove a obsolete test and refactor some tests. PR-URL: https://github.com/nodejs/node/pull/18669 Reviewed-By: Ben Noordhuis <info@bnoordhuis.nl> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Colin Ihrig <cjihrig@gmail.com> Reviewed-By: Luigi Pinca <luigipinca@gmail.com> Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
56 lines
2.2 KiB
JavaScript
56 lines
2.2 KiB
JavaScript
// 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 assert = require('assert');
|
|
const fs = require('fs');
|
|
const path = require('path');
|
|
|
|
const tmpdir = require('../common/tmpdir');
|
|
tmpdir.refresh();
|
|
|
|
const filepath = path.join(tmpdir.path, 'large.txt');
|
|
const fd = fs.openSync(filepath, 'w+');
|
|
const offset = 5 * 1024 * 1024 * 1024; // 5GB
|
|
const message = 'Large File';
|
|
|
|
fs.truncateSync(fd, offset);
|
|
assert.strictEqual(fs.statSync(filepath).size, offset);
|
|
const writeBuf = Buffer.from(message);
|
|
fs.writeSync(fd, writeBuf, 0, writeBuf.length, offset);
|
|
const readBuf = Buffer.allocUnsafe(writeBuf.length);
|
|
fs.readSync(fd, readBuf, 0, readBuf.length, offset);
|
|
assert.strictEqual(readBuf.toString(), message);
|
|
fs.readSync(fd, readBuf, 0, 1, 0);
|
|
assert.strictEqual(readBuf[0], 0);
|
|
|
|
// Verify that floating point positions do not throw.
|
|
fs.writeSync(fd, writeBuf, 0, writeBuf.length, 42.000001);
|
|
fs.close(fd);
|
|
|
|
// Normally, we don't clean up tmp files at the end of a test, but we'll make an
|
|
// exception for a 5 GB file.
|
|
process.on('exit', function() {
|
|
fs.unlinkSync(filepath);
|
|
});
|