57 lines
1.9 KiB
JavaScript
57 lines
1.9 KiB
JavaScript
// Copyright Joyent, Inc. and other Node contributors.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to permit
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// persons to whom the Software is furnished to do so, subject to the
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// following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
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// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
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// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
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// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
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// USE OR OTHER DEALINGS IN THE SOFTWARE.
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'use strict';
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require('../common');
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const assert = require('assert');
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const path = require('path');
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const fs = require('fs');
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const tmpdir = require('../common/tmpdir');
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const file = path.join(tmpdir.path, 'write.txt');
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tmpdir.refresh();
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const stream = fs.WriteStream(file);
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const _fs_close = fs.close;
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const _fs_open = fs.open;
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// Change the fs.open with an identical function after the WriteStream
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// has pushed it onto its internal action queue, but before it's
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// returned. This simulates AOP-style extension of the fs lib.
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fs.open = function() {
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return _fs_open.apply(fs, arguments);
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};
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fs.close = function(fd) {
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assert.ok(fd, 'fs.close must not be called with an undefined fd.');
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fs.close = _fs_close;
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fs.open = _fs_open;
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};
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stream.write('foo');
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stream.end();
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process.on('exit', function() {
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assert.strictEqual(fs.open, _fs_open);
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});
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