node/test/disabled/test-fs-largefile.js
isaacs 3e1b1dd4a9 Remove excessive copyright/license boilerplate
The copyright and license notice is already in the LICENSE file.  There
is no justifiable reason to also require that it be included in every
file, since the individual files are not individually distributed except
as part of the entire package.
2015-01-12 15:30:28 -08:00

34 lines
973 B
JavaScript

var common = require('../common');
var assert = require('assert');
var path = require('path'),
fs = require('fs'),
filepath = path.join(common.tmpDir, 'large.txt'),
fd = fs.openSync(filepath, 'w+'),
offset = 5 * 1024 * 1024 * 1024, // 5GB
message = 'Large File';
fs.truncateSync(fd, offset);
assert.equal(fs.statSync(filepath).size, offset);
var writeBuf = new Buffer(message);
fs.writeSync(fd, writeBuf, 0, writeBuf.length, offset);
var readBuf = new Buffer(writeBuf.length);
fs.readSync(fd, readBuf, 0, readBuf.length, offset);
assert.equal(readBuf.toString(), message);
fs.readSync(fd, readBuf, 0, 1, 0);
assert.equal(readBuf[0], 0);
var exceptionRaised = false;
try {
fs.writeSync(fd, writeBuf, 0, writeBuf.length, 42.000001);
} catch (err) {
console.log(err);
exceptionRaised = true;
assert.equal(err.message, 'Not an integer');
}
assert.ok(exceptionRaised);
fs.close(fd);
process.on('exit', function() {
fs.unlinkSync(filepath);
});