tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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reviver-mutates-holder-object-ccw.js (1286B)


      1 /*
      2 * Any copyright is dedicated to the Public Domain.
      3 * http://creativecommons.org/licenses/publicdomain/
      4 * Contributor:
      5 *   Jeff Walden <jwalden+code@mit.edu>
      6 */
      7 
      8 //-----------------------------------------------------------------------------
      9 var BUGNUMBER = 901351;
     10 var summary = "Behavior when the JSON.parse reviver mutates the holder object";
     11 
     12 print(BUGNUMBER + ": " + summary);
     13 
     14 /**************
     15 * BEGIN TEST *
     16 **************/
     17 
     18 // A little trickiness to account for the undefined-ness of property
     19 // enumeration order.
     20 var first = "unset";
     21 
     22 var proxyObj = null;
     23 
     24 var obj = JSON.parse('{ "a": 0, "b": 1 }', function(prop, v) {
     25  if (first === "unset")
     26  {
     27    first = prop;
     28    var second = (prop === "a") ? "b" : "a";
     29 
     30    proxyObj = newGlobal().evaluate("({ c: 42, d: 17 })");
     31    Object.defineProperty(this, second, { value: proxyObj });
     32  }
     33  return v;
     34 });
     35 
     36 if (first === "a")
     37 {
     38  assertEq(obj.a, 0);
     39  assertEq(obj.b, proxyObj);
     40  assertEq(obj.b.c, 42);
     41  assertEq(obj.b.d, 17);
     42 }
     43 else
     44 {
     45  assertEq(obj.a, proxyObj);
     46  assertEq(obj.a.c, 42);
     47  assertEq(obj.a.d, 17);
     48  assertEq(obj.b, 1);
     49 }
     50 
     51 /******************************************************************************/
     52 
     53 if (typeof reportCompare === "function")
     54  reportCompare(true, true);
     55 
     56 print("Tests complete");