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'use strict';
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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_EXCL = constants.O_EXCL || 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_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++ x +x x+ rx rx+ wxx wax xwx xxx')
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.split(' ')
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.forEach(function(flags) {
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assert.throws(function() { fs._stringToFlags(flags); });
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});
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