mirror of https://github.com/lukechilds/node.git
Browse Source
For backwards compatibility, fs.truncate(<number>) will proxy to fs.ftruncate. Fix #3805v0.9.1-release
isaacs
13 years ago
5 changed files with 201 additions and 11 deletions
@ -0,0 +1,135 @@ |
|||||
|
// 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.
|
||||
|
|
||||
|
var common = require('../common'); |
||||
|
var assert = require('assert'); |
||||
|
var path = require('path'); |
||||
|
var fs = require('fs'); |
||||
|
var tmp = common.tmpDir; |
||||
|
var filename = path.resolve(tmp, 'truncate-file.txt'); |
||||
|
var data = new Buffer(1024 * 16); |
||||
|
data.fill('x'); |
||||
|
|
||||
|
var stat; |
||||
|
|
||||
|
// truncateSync
|
||||
|
fs.writeFileSync(filename, data); |
||||
|
stat = fs.statSync(filename); |
||||
|
assert.equal(stat.size, 1024 * 16); |
||||
|
|
||||
|
fs.truncateSync(filename, 1024); |
||||
|
stat = fs.statSync(filename); |
||||
|
assert.equal(stat.size, 1024); |
||||
|
|
||||
|
fs.truncateSync(filename); |
||||
|
stat = fs.statSync(filename); |
||||
|
assert.equal(stat.size, 0); |
||||
|
|
||||
|
// ftruncateSync
|
||||
|
fs.writeFileSync(filename, data); |
||||
|
var fd = fs.openSync(filename, 'a'); |
||||
|
|
||||
|
stat = fs.statSync(filename); |
||||
|
assert.equal(stat.size, 1024 * 16); |
||||
|
|
||||
|
fs.ftruncateSync(fd, 1024); |
||||
|
stat = fs.statSync(filename); |
||||
|
assert.equal(stat.size, 1024); |
||||
|
|
||||
|
fs.ftruncateSync(fd); |
||||
|
stat = fs.statSync(filename); |
||||
|
assert.equal(stat.size, 0); |
||||
|
|
||||
|
fs.closeSync(fd); |
||||
|
|
||||
|
// async tests
|
||||
|
var success = 0; |
||||
|
testTruncate(function(er) { |
||||
|
if (er) throw er; |
||||
|
success++; |
||||
|
testFtruncate(function(er) { |
||||
|
if (er) throw er; |
||||
|
success++; |
||||
|
}); |
||||
|
}); |
||||
|
|
||||
|
process.on('exit', function() { |
||||
|
assert.equal(success, 2); |
||||
|
console.log('ok'); |
||||
|
}); |
||||
|
|
||||
|
function testTruncate(cb) { |
||||
|
fs.writeFile(filename, data, function(er) { |
||||
|
if (er) return cb(er); |
||||
|
fs.stat(filename, function(er, stat) { |
||||
|
if (er) return cb(er); |
||||
|
assert.equal(stat.size, 1024 * 16); |
||||
|
|
||||
|
fs.truncate(filename, 1024, function(er) { |
||||
|
if (er) return cb(er); |
||||
|
fs.stat(filename, function(er, stat) { |
||||
|
if (er) return cb(er); |
||||
|
assert.equal(stat.size, 1024); |
||||
|
|
||||
|
fs.truncate(filename, function(er) { |
||||
|
if (er) return cb(er); |
||||
|
fs.stat(filename, function(er, stat) { |
||||
|
if (er) return cb(er); |
||||
|
assert.equal(stat.size, 0); |
||||
|
cb(); |
||||
|
}); |
||||
|
}); |
||||
|
}); |
||||
|
}); |
||||
|
}); |
||||
|
}); |
||||
|
} |
||||
|
|
||||
|
|
||||
|
function testFtruncate(cb) { |
||||
|
fs.writeFile(filename, data, function(er) { |
||||
|
if (er) return cb(er); |
||||
|
fs.stat(filename, function(er, stat) { |
||||
|
if (er) return cb(er); |
||||
|
assert.equal(stat.size, 1024 * 16); |
||||
|
|
||||
|
fs.open(filename, 'w', function(er, fd) { |
||||
|
if (er) return cb(er); |
||||
|
fs.ftruncate(fd, 1024, function(er) { |
||||
|
if (er) return cb(er); |
||||
|
fs.stat(filename, function(er, stat) { |
||||
|
if (er) return cb(er); |
||||
|
assert.equal(stat.size, 1024); |
||||
|
|
||||
|
fs.ftruncate(fd, function(er) { |
||||
|
if (er) return cb(er); |
||||
|
fs.stat(filename, function(er, stat) { |
||||
|
if (er) return cb(er); |
||||
|
assert.equal(stat.size, 0); |
||||
|
fs.close(fd, cb); |
||||
|
}); |
||||
|
}); |
||||
|
}); |
||||
|
}); |
||||
|
}); |
||||
|
}); |
||||
|
}); |
||||
|
} |
Loading…
Reference in new issue