react/perf/tests/setState-callback.js

if (typeof exports === 'undefined') {
  exports = {};
}

/*http://benchmarkjs.com/docs#options*/

exports.name = 'From setState to callback';

exports.defer = true;

exports.setup = function() {
  _rootNode = document.createElement('div');
  document.body.appendChild(_rootNode);
  setState = null;

  var AwesomeComponent = React.createClass({
    getInitialState: function() {
      return {random:null};
    },
    render: function() {
      if (!setState) {
        setState = this.setState.bind(this);
      }
      return React.DOM.div(null, this.state.random);
    }
  });

  React.render(AwesomeComponent(null), _rootNode);
};
exports.fn = function(deferred) {
  setState({random: Date.now() + Math.random()}, function() {
    deferred.resolve();
  });
};
exports.teardown = function() {
  React.unmountComponentAtNode(_rootNode);
};