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'use strict';
const assert = require('assert');const parallelLimit = require('../lib/helpers/parallelLimit');
describe('parallelLimit', function() {  it('works with zero functions', function(done) {    parallelLimit([], 1, (err, res) => {      assert.ifError(err);      assert.deepEqual(res, []);      done();    });  });
  it('executes functions in parallel', function(done) {    let started = 0;    let finished = 0;    const fns = [      cb => {        ++started;        setTimeout(() => {          ++finished;          setTimeout(cb, 0);        }, 100);      },      cb => {        ++started;        setTimeout(() => {          ++finished;          setTimeout(cb, 0);        }, 100);      },      cb => {        assert.equal(started, 2);        assert.ok(finished > 0);        ++started;        ++finished;        setTimeout(cb, 0);      }    ];
    parallelLimit(fns, 2, (err) => {      assert.ifError(err);      assert.equal(started, 3);      assert.equal(finished, 3);      done();    });  });});