text: // Copyright (C) 2019 Alexey Shvayka. All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  /*---
  esid: sec-createresolvingfunctions
  description: >
    resolve is anonymous built-in function with length of 1.
  info: |
    CreateResolvingFunctions ( promise )
  
    ...
    3. Let resolve be ! CreateBuiltinFunction(stepsResolve, « [[Promise]], [[AlreadyResolved]] »).
  features: [Reflect.construct]
  includes: [isConstructor.js]
  flags: [async]
  ---*/
  
  Promise.resolve(1).then(function() {
    return Promise.resolve();
  }).then($DONE, $DONE);
  
  var then = Promise.prototype.then;
  Promise.prototype.then = function(resolve, reject) {
    assert(!isConstructor(resolve));
    assert.sameValue(resolve.length, 1);
    assert.sameValue(resolve.name, '');
  
    return then.call(this, resolve, reject);
  };
  