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'use strict';
var common = require('../common');
var assert = require('assert');
var exec = require('child_process').exec;
if (process.platform === 'darwin') {
console.log('Skipping. Output of `id -G` is unreliable on Darwin.');
return;
}
if (typeof process.getgroups === 'function') {
var groups = process.getgroups();
assert(Array.isArray(groups));
assert(groups.length > 0);
exec('id -G', function(err, stdout) {
if (err) throw err;
var real_groups = stdout.match(/\d+/g).map(Number);
assert.equal(groups.length, real_groups.length);
check(groups, real_groups);
check(real_groups, groups);
});
}
function check(a, b) {
for (var i = 0; i < a.length; ++i) assert(b.indexOf(a[i]) !== -1);
}