Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame] | 1 | // Copyright 2014 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 | Object.prototype["10"] = "unreachable"; |
| 8 | Object.prototype["7"] = "unreachable"; |
| 9 | Object.prototype["-1"] = "unreachable"; |
| 10 | Object.prototype["-0"] = "unreachable"; |
| 11 | Object.prototype["4294967295"] = "unreachable"; |
| 12 | |
| 13 | var array = new Int32Array(10); |
| 14 | |
| 15 | function check() { |
| 16 | for (var i = 0; i < 4; i++) { |
| 17 | assertEquals(undefined, array["-1"]); |
| 18 | assertEquals(undefined, array["-0"]); |
| 19 | assertEquals(undefined, array["10"]); |
| 20 | assertEquals(undefined, array["4294967295"]); |
| 21 | } |
| 22 | assertEquals("unreachable", array.__proto__["-1"]); |
| 23 | assertEquals("unreachable", array.__proto__["-0"]); |
| 24 | assertEquals("unreachable", array.__proto__["10"]); |
| 25 | assertEquals("unreachable", array.__proto__["4294967295"]); |
| 26 | } |
| 27 | |
| 28 | check(); |
| 29 | |
| 30 | array["-1"] = "unreachable"; |
| 31 | array["-0"] = "unreachable"; |
| 32 | array["10"] = "unreachable"; |
| 33 | array["4294967295"] = "unreachable"; |
| 34 | |
| 35 | check(); |
| 36 | |
| 37 | delete array["-0"]; |
| 38 | delete array["-1"]; |
| 39 | delete array["10"]; |
| 40 | delete array["4294967295"]; |
| 41 | |
| 42 | assertEquals(undefined, Object.getOwnPropertyDescriptor(array, "-1")); |
| 43 | assertEquals(undefined, Object.getOwnPropertyDescriptor(array, "-0")); |
| 44 | assertEquals(undefined, Object.getOwnPropertyDescriptor(array, "10")); |
| 45 | assertEquals(undefined, Object.getOwnPropertyDescriptor(array, "4294967295")); |
| 46 | assertEquals(10, Object.keys(array).length); |
| 47 | |
| 48 | check(); |
| 49 | |
| 50 | function f() { return array["-1"]; } |
| 51 | |
| 52 | for (var i = 0; i < 3; i++) { |
| 53 | assertEquals(undefined, f()); |
| 54 | } |
| 55 | %OptimizeFunctionOnNextCall(f); |
| 56 | assertEquals(undefined, f()); |
| 57 | |
| 58 | assertThrows('Object.defineProperty(new Int32Array(100), -1, {value: 1})'); |
| 59 | // -0 gets converted to the string "0", so use "-0" instead. |
| 60 | assertThrows('Object.defineProperty(new Int32Array(100), "-0", {value: 1})'); |
| 61 | assertThrows('Object.defineProperty(new Int32Array(100), -10, {value: 1})'); |
| 62 | assertThrows('Object.defineProperty(new Int32Array(), 4294967295, {value: 1})'); |
| 63 | |
| 64 | check(); |