// Copyright (C) 2019 Leo Balter. All rights reserved. // This code is governed by the BSD license found in the LICENSE file. /*--- esid: sec-aggregate-error description: > Use a custom NewTarget prototype info: | AggregateError ( errors, message ) 1. If NewTarget is undefined, let newTarget be the active function object, else let newTarget be NewTarget. 2. Let O be ? OrdinaryCreateFromConstructor(newTarget, "%AggregateError.prototype%", « [[ErrorData]], [[AggregateErrors]] »). ... 6. Return O. OrdinaryCreateFromConstructor ( constructor, intrinsicDefaultProto [ , internalSlotsList ] ) ... 2. Let proto be ? GetPrototypeFromConstructor(constructor, intrinsicDefaultProto). 3. Return ObjectCreate(proto, internalSlotsList). GetPrototypeFromConstructor ( constructor, intrinsicDefaultProto ) ... 3. Let proto be ? Get(constructor, "prototype"). 4. If Type(proto) is not Object, then a. Let realm be ? GetFunctionRealm(constructor). b. Set proto to realm's intrinsic object named intrinsicDefaultProto. Return proto. features: [AggregateError, Reflect.construct] ---*/ var custom = { x: 42 }; var newt = new Proxy(function() {}, { get(t, p) { if (p === 'prototype') { return custom; } return t[p]; } }); var obj = Reflect.construct(AggregateError, [[]], newt); assert.sameValue(Object.getPrototypeOf(obj), custom); assert.sameValue(obj.x, 42); reportCompare(0, 0);