import assert from 'assert';
import { identity, noop } from './utils.js';
import functions from '../functions.js';

describe('functions', function() {
  it('should return the function names of an object', function() {
    var object = { 'a': 'a', 'b': identity, 'c': /x/, 'd': noop },
        actual = functions(object).sort();

    assert.deepStrictEqual(actual, ['b', 'd']);
  });

  it('should not include inherited functions', function() {
    function Foo() {
      this.a = identity;
      this.b = 'b';
    }
    Foo.prototype.c = noop;

    assert.deepStrictEqual(functions(new Foo), ['a']);
  });
});