/*!

 * arr-union <https://github.com/jonschlinkert/arr-union>

 *

 * Copyright (c) 2014-2015, Jon Schlinkert.

 * Licensed under the MIT License.

 */

'use strict';

/* deps:mocha */

var path = require('path');

var argv = require('minimist')(process.argv.slice(2));

var should = require('should');

var union = require('./');

if (argv._.length) {

  union = require(path.resolve('benchmark/code/' + argv.code + '.js'));

}

describe('union', function() {

  it('should add elements to the original array:', function() {

    var arr = ['a'];

    union(arr, ['b', 'c'], ['a'], ['b', 'c'], ['d', 'e', 'f']).sort()

    arr.should.eql(['a', 'b', 'c', 'd', 'e', 'f'].sort());

  });

  it('should union all elements in the given arrays:', function() {

    union(['a'], ['b', 'c'], ['d', 'e', 'f']).sort().should.eql(['a', 'b', 'c', 'd', 'e', 'f'].sort());

  });

  it('should ignore falsey values', function() {

    union(['a'], undefined, ['d', 'e', 'f']).sort().should.eql(['a', 'd', 'e', 'f'].sort());

  });

  it('should arrayify non-array values', function() {

    union(['a'], 'cde', ['d', 'e', 'f']).sort().should.eql(['a', 'cde', 'd', 'e', 'f'].sort());

  });

  it('should uniquify elements from additional arrays:', function() {

    var arr = ['a', 'b', 'c'];

    var res = union(arr, ['b', 'c'], ['a'], ['b', 'c'], ['d', 'e', 'f']).sort()

    res.should.eql(['a', 'b', 'c', 'd', 'e', 'f'].sort());

  });

});