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'use strict';
const common = require('../common');
// Check `id -G` and `process.getgroups()` return same groups.
if (common.isOSX) {
common.skip('Output of `id -G` is unreliable on Darwin.');
return;
}
const assert = require('assert');
const exec = require('child_process').exec;
if (typeof process.getgroups === 'function') {
const groups = unique(process.getgroups());
assert(Array.isArray(groups));
assert(groups.length > 0);
exec('id -G', function(err, stdout) {
assert.ifError(err);
const real_groups = unique(stdout.match(/\d+/g).map(Number));
assert.deepStrictEqual(groups, real_groups);
check(groups, real_groups);
check(real_groups, groups);
});
}
function check(a, b) {
for (let i = 0; i < a.length; ++i) assert.notStrictEqual(b.indexOf(a[i]), -1);
}
function unique(groups) {
return [...new Set(groups)].sort();
}
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