Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 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 | |
Ben Murdoch | da12d29 | 2016-06-02 14:46:10 +0100 | [diff] [blame] | 5 | // Flags: --stack-size=100 |
Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 6 | |
| 7 | // Test that traps that involve walking the target object's prototype chain |
| 8 | // don't overflow the stack when the original proxy is on that chain. |
| 9 | |
| 10 | (function TestGetPrototype() { |
| 11 | var handler = {}; |
| 12 | var p = new Proxy({}, handler); |
| 13 | handler.__proto__ = p; |
| 14 | try { return p.__proto__; } catch(e) { assertInstanceof(e, RangeError); } |
| 15 | })(); |
| 16 | |
| 17 | (function TestSetPrototype() { |
| 18 | var handler = {}; |
| 19 | var p = new Proxy({}, handler); |
| 20 | handler.__proto__ = p; |
| 21 | try { p.__proto__ = p; } catch(e) { assertInstanceof(e, RangeError); } |
| 22 | })(); |
| 23 | |
| 24 | (function TestHasProperty() { |
| 25 | var handler = {}; |
| 26 | var p = new Proxy({}, handler); |
| 27 | handler.__proto__ = p; |
| 28 | try { |
| 29 | return Reflect.has(p, "foo"); |
| 30 | } catch(e) { assertInstanceof(e, RangeError); } |
| 31 | })(); |
| 32 | |
| 33 | (function TestSet() { |
| 34 | var handler = {}; |
| 35 | var p = new Proxy({}, handler); |
| 36 | handler.__proto__ = p; |
| 37 | try { p.foo = 1; } catch(e) { assertInstanceof(e, RangeError); } |
| 38 | })(); |
| 39 | |
| 40 | (function TestGet() { |
| 41 | var handler = {}; |
| 42 | var p = new Proxy({}, handler); |
| 43 | handler.__proto__ = p; |
| 44 | try { return p.foo; } catch(e) { assertInstanceof(e, RangeError); } |
| 45 | })(); |
| 46 | |
| 47 | (function TestEnumerate() { |
| 48 | var handler = {}; |
| 49 | var p = new Proxy({}, handler); |
| 50 | handler.__proto__ = p; |
| 51 | try { for (var x in p) {} } catch(e) { assertInstanceof(e, RangeError); } |
| 52 | })(); |
| 53 | |
| 54 | (function TestIsExtensible() { |
| 55 | var handler = {}; |
| 56 | var p = new Proxy({}, handler); |
| 57 | handler.__proto__ = p; |
| 58 | try { |
| 59 | return Reflect.isExtensible(p); |
| 60 | } catch(e) { assertInstanceof(e, RangeError); } |
| 61 | })(); |
| 62 | |
| 63 | (function TestPreventExtensions() { |
| 64 | var handler = {}; |
| 65 | var p = new Proxy({}, handler); |
| 66 | handler.__proto__ = p; |
| 67 | try { |
| 68 | Reflect.preventExtensions(p); |
| 69 | } catch(e) { assertInstanceof(e, RangeError); } |
| 70 | })(); |
| 71 | |
| 72 | (function TestGetOwnPropertyDescriptor() { |
| 73 | var handler = {}; |
| 74 | var p = new Proxy({}, handler); |
| 75 | handler.__proto__ = p; |
| 76 | try { |
| 77 | return Object.getOwnPropertyDescriptor(p, "foo"); |
| 78 | } catch(e) { assertInstanceof(e, RangeError); } |
| 79 | })(); |
| 80 | |
| 81 | (function TestDeleteProperty() { |
| 82 | var handler = {}; |
| 83 | var p = new Proxy({}, handler); |
| 84 | handler.__proto__ = p; |
| 85 | try { delete p.foo; } catch(e) { assertInstanceof(e, RangeError); } |
| 86 | })(); |
| 87 | |
| 88 | (function TestDefineProperty() { |
| 89 | var handler = {}; |
| 90 | var p = new Proxy({}, handler); |
| 91 | handler.__proto__ = p; |
| 92 | try { |
| 93 | Object.defineProperty(p, "foo", {value: "bar"}); |
| 94 | } catch(e) { assertInstanceof(e, RangeError); } |
| 95 | })(); |
| 96 | |
| 97 | (function TestOwnKeys() { |
| 98 | var handler = {}; |
| 99 | var p = new Proxy({}, handler); |
| 100 | handler.__proto__ = p; |
| 101 | try { |
| 102 | return Reflect.ownKeys(p); |
| 103 | } catch(e) { assertInstanceof(e, RangeError); } |
| 104 | })(); |
| 105 | |
| 106 | (function TestCall() { |
| 107 | var handler = {}; |
| 108 | var p = new Proxy(function() {}, handler); |
| 109 | handler.__proto__ = p; |
| 110 | try { return p(); } catch(e) { assertInstanceof(e, RangeError); } |
| 111 | })(); |
| 112 | |
| 113 | (function TestConstruct() { |
| 114 | var handler = {}; |
| 115 | var p = new Proxy(function() { this.foo = 1; }, handler); |
| 116 | handler.__proto__ = p; |
| 117 | try { return new p(); } catch(e) { assertInstanceof(e, RangeError); } |
| 118 | })(); |