call-parameters.js

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// Copyright (C) 2015 the V8 project authors. All rights reserved.

// This code is governed by the BSD license found in the LICENSE file.

/*---

esid: sec-proxy-object-internal-methods-and-internal-slots-construct-argumentslist-newtarget

description: >

    trap is called with handler object as its context, and parameters are:

    target, an array list with the called arguments and the new target, and the

    constructor new.target.

info: |

    [[Construct]] ( argumentsList, newTarget)

    9. Let newObj be Call(trap, handler, «target, argArray, newTarget »).

features: [Proxy]

---*/

var _target, _handler, _args, _P;

function Target() {}

var handler = {

  construct: function(t, args, newTarget) {

    _handler = this;

    _target = t;

    _args = args;

    _P = newTarget;

    return new t(args[0], args[1]);

};

var P = new Proxy(Target, handler);

new P(1, 2);

assert.sameValue(_handler, handler, "trap context is the handler object");

assert.sameValue(_target, Target, "first parameter is the target object");

assert.sameValue(_args.length, 2, "arguments list contains all call arguments");

assert.sameValue(_args[0], 1, "arguments list has first call argument");

assert.sameValue(_args[1], 2, "arguments list has second call argument");

assert.sameValue(_P, P, "constructor is sent as the third parameter");

reportCompare(0, 0);