1 // Copyright 2015 the V8 project authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Flags: --allow-natives-syntax 6 7 function CreateConstructableProxy(handler) { 8 return new Proxy(function(){}, handler); 9 } 10 11 (function() { 12 var prototype = { x: 1 }; 13 var log = []; 14 15 var proxy = CreateConstructableProxy({ 16 get(k) { 17 log.push("get trap"); 18 return prototype; 19 }}); 20 21 var o = Reflect.construct(Number, [100], proxy); 22 assertEquals(["get trap"], log); 23 assertTrue(Object.getPrototypeOf(o) === prototype); 24 assertEquals(100, Number.prototype.valueOf.call(o)); 25 })(); 26 27 (function() { 28 var prototype = { x: 1 }; 29 var log = []; 30 31 var proxy = CreateConstructableProxy({ 32 get(k) { 33 log.push("get trap"); 34 return 10; 35 }}); 36 37 var o = Reflect.construct(Number, [100], proxy); 38 assertEquals(["get trap"], log); 39 assertTrue(Object.getPrototypeOf(o) === Number.prototype); 40 assertEquals(100, Number.prototype.valueOf.call(o)); 41 })(); 42 43 (function() { 44 var prototype = { x: 1 }; 45 var log = []; 46 47 var proxy = CreateConstructableProxy({ 48 get(k) { 49 log.push("get trap"); 50 return prototype; 51 }}); 52 53 var o = Reflect.construct(Function, ["return 1000"], proxy); 54 assertEquals(["get trap"], log); 55 assertTrue(Object.getPrototypeOf(o) === prototype); 56 assertEquals(1000, o()); 57 })(); 58 59 (function() { 60 var prototype = { x: 1 }; 61 var log = []; 62 63 var proxy = CreateConstructableProxy({ 64 get(k) { 65 log.push("get trap"); 66 return prototype; 67 }}); 68 69 var o = Reflect.construct(Array, [1, 2, 3], proxy); 70 assertEquals(["get trap"], log); 71 assertTrue(Object.getPrototypeOf(o) === prototype); 72 assertEquals([1, 2, 3], o); 73 })(); 74
