test262/test/built-ins/Proxy/construct/call-result.js

// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 9.5.14
description: >
    Return the result from the trap method.
info: |
    [[Construct]] ( argumentsList, newTarget)

    12. Return newObj
features: [Proxy]
---*/

function Target(a, b) {
  this.sum = a + b;
};
var handler = {
  construct: function(t, c, args) {
    return {
      sum: 42
    };
  }
};
var P = new Proxy(Target, handler);

assert.sameValue((new P(1, 2)).sum, 42);