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// 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'),
fs = require('fs');
var file = path.join(common.tmpDir, 'write.txt');
var stream = fs.WriteStream(file),
_fs_close = fs.close,
_fs_open = fs.open;
// change the fs.open with an identical function after the WriteStream
// has pushed it onto its internal action queue, but before it's
// returned. This simulates AOP-style extension of the fs lib.
fs.open = function() {
return _fs_open.apply(fs, arguments);
};
fs.close = function(fd) {
assert.ok(fd, 'fs.close must not be called with an undefined fd.');
fs.close = _fs_close;
fs.open = _fs_open;
}
stream.write('foo');
stream.end();
process.on('exit', function() {
assert.equal(fs.open, _fs_open);
});