proxies-prototype-handler-stackoverflow.js 3.09 KB
Newer Older
1 2 3 4
// Copyright 2015 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

5
// Flags: --stack-size=100
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118

// Test that traps that involve walking the target object's prototype chain
// don't overflow the stack when the original proxy is on that chain.

(function TestGetPrototype() {
  var handler = {};
  var p = new Proxy({}, handler);
  handler.__proto__ = p;
  try { return p.__proto__; } catch(e) { assertInstanceof(e, RangeError); }
})();

(function TestSetPrototype() {
  var handler = {};
  var p = new Proxy({}, handler);
  handler.__proto__ = p;
  try { p.__proto__ = p; } catch(e) { assertInstanceof(e, RangeError); }
})();

(function TestHasProperty() {
  var handler = {};
  var p = new Proxy({}, handler);
  handler.__proto__ = p;
  try {
    return Reflect.has(p, "foo");
  } catch(e) { assertInstanceof(e, RangeError); }
})();

(function TestSet() {
  var handler = {};
  var p = new Proxy({}, handler);
  handler.__proto__ = p;
  try { p.foo = 1; } catch(e) { assertInstanceof(e, RangeError); }
})();

(function TestGet() {
  var handler = {};
  var p = new Proxy({}, handler);
  handler.__proto__ = p;
  try { return p.foo; } catch(e) { assertInstanceof(e, RangeError); }
})();

(function TestEnumerate() {
  var handler = {};
  var p = new Proxy({}, handler);
  handler.__proto__ = p;
  try { for (var x in p) {} } catch(e) { assertInstanceof(e, RangeError); }
})();

(function TestIsExtensible() {
  var handler = {};
  var p = new Proxy({}, handler);
  handler.__proto__ = p;
  try {
    return Reflect.isExtensible(p);
  } catch(e) { assertInstanceof(e, RangeError); }
})();

(function TestPreventExtensions() {
  var handler = {};
  var p = new Proxy({}, handler);
  handler.__proto__ = p;
  try {
    Reflect.preventExtensions(p);
  } catch(e) { assertInstanceof(e, RangeError); }
})();

(function TestGetOwnPropertyDescriptor() {
  var handler = {};
  var p = new Proxy({}, handler);
  handler.__proto__ = p;
  try {
    return Object.getOwnPropertyDescriptor(p, "foo");
  } catch(e) { assertInstanceof(e, RangeError); }
})();

(function TestDeleteProperty() {
  var handler = {};
  var p = new Proxy({}, handler);
  handler.__proto__ = p;
  try { delete p.foo; } catch(e) { assertInstanceof(e, RangeError); }
})();

(function TestDefineProperty() {
  var handler = {};
  var p = new Proxy({}, handler);
  handler.__proto__ = p;
  try {
    Object.defineProperty(p, "foo", {value: "bar"});
  } catch(e) { assertInstanceof(e, RangeError); }
})();

(function TestOwnKeys() {
  var handler = {};
  var p = new Proxy({}, handler);
  handler.__proto__ = p;
  try {
    return Reflect.ownKeys(p);
  } catch(e) { assertInstanceof(e, RangeError); }
})();

(function TestCall() {
  var handler = {};
  var p = new Proxy(function() {}, handler);
  handler.__proto__ = p;
  try { return p(); } catch(e) { assertInstanceof(e, RangeError); }
})();

(function TestConstruct() {
  var handler = {};
  var p = new Proxy(function() { this.foo = 1; }, handler);
  handler.__proto__ = p;
  try { return new p(); } catch(e) { assertInstanceof(e, RangeError); }
})();