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      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: --strong-mode
      6 
      7 function getGlobal() {
      8   return this;
      9 }
     10 
     11 function polluteGlobal() {
     12   bar = 0;
     13 }
     14 
     15 (function() {
     16   "use strict";
     17 
     18   let builtins = [
     19     Array,
     20     Object,
     21     Function,
     22     getGlobal()
     23   ];
     24 
     25   for (let builtin of builtins) {
     26     assertThrows(function(){"use strong"; builtin.foo}, TypeError);
     27     assertThrows(function(){"use strong"; builtin[0]}, TypeError);
     28     assertThrows(function(){"use strong"; builtin[10000]}, TypeError);
     29     builtin.foo = 1;
     30     assertDoesNotThrow(function(){"use strong"; builtin.foo});
     31     assertThrows(function(){"use strong"; builtin.bar});
     32     assertThrows(function(){"use strong"; builtin[0]}, TypeError);
     33     assertThrows(function(){"use strong"; builtin[10000]}, TypeError);
     34     builtin[0] = 1;
     35     assertDoesNotThrow(function(){"use strong"; builtin.foo});
     36     assertThrows(function(){"use strong"; builtin.bar});
     37     assertDoesNotThrow(function(){"use strong"; builtin[0]});
     38     assertThrows(function(){"use strong"; builtin[10000]}, TypeError);
     39   }
     40   polluteGlobal();
     41   assertDoesNotThrow(function(){"use strong"; getGlobal().bar});
     42 })();
     43