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// Copyright Joyent, Inc. and other Node contributors.
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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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// 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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// 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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var common = require('../common');
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var assert = require('assert');
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var constants = require('constants');
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var fs = require('fs');
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var O_APPEND = constants.O_APPEND || 0;
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var O_CREAT = constants.O_CREAT || 0;
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var O_DIRECTORY = constants.O_DIRECTORY || 0;
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var O_EXCL = constants.O_EXCL || 0;
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var O_NOCTTY = constants.O_NOCTTY || 0;
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var O_NOFOLLOW = constants.O_NOFOLLOW || 0;
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var O_RDONLY = constants.O_RDONLY || 0;
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var O_RDWR = constants.O_RDWR || 0;
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var O_SYMLINK = constants.O_SYMLINK || 0;
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var O_SYNC = constants.O_SYNC || 0;
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var O_TRUNC = constants.O_TRUNC || 0;
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var O_WRONLY = constants.O_WRONLY || 0;
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assert.equal(fs._stringToFlags('r'), O_RDONLY);
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assert.equal(fs._stringToFlags('r+'), O_RDWR);
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assert.equal(fs._stringToFlags('w'), O_TRUNC | O_CREAT | O_WRONLY);
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assert.equal(fs._stringToFlags('w+'), O_TRUNC | O_CREAT | O_RDWR);
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assert.equal(fs._stringToFlags('a'), O_APPEND | O_CREAT | O_WRONLY);
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assert.equal(fs._stringToFlags('a+'), O_APPEND | O_CREAT | O_RDWR);
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assert.equal(fs._stringToFlags('wx'), O_TRUNC | O_CREAT | O_WRONLY | O_EXCL);
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assert.equal(fs._stringToFlags('xw'), O_TRUNC | O_CREAT | O_WRONLY | O_EXCL);
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assert.equal(fs._stringToFlags('wx+'), O_TRUNC | O_CREAT | O_RDWR | O_EXCL);
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assert.equal(fs._stringToFlags('xw+'), O_TRUNC | O_CREAT | O_RDWR | O_EXCL);
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assert.equal(fs._stringToFlags('ax'), O_APPEND | O_CREAT | O_WRONLY | O_EXCL);
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assert.equal(fs._stringToFlags('xa'), O_APPEND | O_CREAT | O_WRONLY | O_EXCL);
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assert.equal(fs._stringToFlags('ax+'), O_APPEND | O_CREAT | O_RDWR | O_EXCL);
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assert.equal(fs._stringToFlags('xa+'), O_APPEND | O_CREAT | O_RDWR | O_EXCL);
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('+ +a +r +w rw wa war raw r++ a++ w++' +
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'x +x x+ rx rx+ wxx wax xwx xxx').split(' ').forEach(function(flags) {
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assert.throws(function() { fs._stringToFlags(flags); });