mirror of
https://github.com/nodejs/node.git
synced 2024-11-22 07:37:56 +01:00
052434a0c1
PR-URL: https://github.com/nodejs/node/pull/49136 Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
57 lines
2.1 KiB
JavaScript
57 lines
2.1 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';
|
|
const common = require('../common');
|
|
|
|
const assert = require('assert');
|
|
const fs = require('fs');
|
|
|
|
const tmpdir = require('../common/tmpdir');
|
|
tmpdir.refresh();
|
|
|
|
try {
|
|
|
|
const filepath = tmpdir.resolve('large.txt');
|
|
const fd = fs.openSync(filepath, 'w+');
|
|
const offset = 5 * 1024 * 1024 * 1024; // 5GB
|
|
const message = 'Large File';
|
|
|
|
fs.ftruncateSync(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, common.mustCall());
|
|
} catch (e) {
|
|
if (e.code !== 'ENOSPC') {
|
|
throw e;
|
|
}
|
|
common.skip('insufficient disk space');
|
|
}
|