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 Object.defineProperty(Number.prototype, "0", 6 { set: function(v) { set = v; }}); 7 Object.defineProperty(String.prototype, "0", 8 { set: function(v) { set = v; }}); 9 Object.defineProperty(String.prototype, "3", 10 { set: function(v) { set = v; }}); 11 12 var set; 13 var n = 1; 14 set = 0; 15 n[0] = 100; 16 assertEquals(100, set); 17 var s = "bla"; 18 s[0] = 200; 19 assertEquals(100, set); 20 s[3] = 300; 21 assertEquals(300, set); 22 23 assertThrows(function(){"use strict"; var o = "123"; o[1] = 10; }); 24 assertThrows(function(){"use strict"; var o = ""; o[1] = 10; }); 25 assertThrows(function(){"use strict"; var o = 1; o[1] = 10; }); 26 27 assertThrows(function() { 28 "use strict"; 29 var sym = Symbol('66'); 30 sym.a = 0; 31 }); 32 33 assertThrows(function() { 34 "use strict"; 35 var sym = Symbol('66'); 36 sym['a' + 'b'] = 0; 37 }); 38 39 assertThrows(function() { 40 "use strict"; 41 var sym = Symbol('66'); 42 sym[62] = 0; 43 }); 44 45 assertThrows(function() { 46 "use strict"; 47 var o = "bla"; 48 o["0"] = 1; 49 }); 50
