/* eslint-env node, mocha */
/* global expect */
/* eslint no-console: 0 */
'use strict';

// Uncomment the following lines to use the react test utilities
import React from 'react';
import {mount} from 'enzyme';
import {observable} from 'mobx';
import {observer} from 'mobx-react';

@observer
class Observer extends React.Component {
  render() {
    this.props.fields[this.props.name].indexOf('');
    return false;
  }
}

describe.only('Function push ref', () => {
    const fields = observable({
      colors: []
    });

    const realpush = fields.colors.push;
    console.log(`actual push: ${realpush.toString()}`);

    mount(
      <span>
        <Observer fields={fields} name='colors'/>
        <Observer fields={fields} name='colors'/>
      </span>
    );

    it('should not change push prototype.', ()=>{
      let push = fields.colors.push.toString();
      console.log(`current push: ${push}`)
      expect(push).to.not.contain('predicate');
    });
});