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var common = require('../common');
var assert = require('assert');

var mask = '0664';
var old = process.umask(mask);

assert.equal(parseInt(mask, 8), process.umask(old));

// confirm reading the umask does not modify it.
// 1. If the test fails, this call will succeed, but the mask will be set to 0
assert.equal(old, process.umask());
// 2. If the test fails, process.umask() will return 0
assert.equal(old, process.umask());