reviver-mutates-holder-object-nonnative.js

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/*

 * Any copyright is dedicated to the Public Domain.

 * http://creativecommons.org/licenses/publicdomain/

 * Contributor:

 *   Jeff Walden <jwalden+code@mit.edu>

*/

//-----------------------------------------------------------------------------

var BUGNUMBER = 901380;

var summary = "Behavior when JSON.parse walks over a non-native object";

print(BUGNUMBER + ": " + summary);

/**************

 * BEGIN TEST *

 **************/

// A little trickiness to account for the undefined-ness of property

// enumeration order.

var first = "unset";

var observedTypedArrayElementCount = 0;

var typedArray = null;

var obj = JSON.parse('{ "a": 0, "b": 1 }', function(prop, v) {

  if (first === "unset")

    first = prop;

    var second = (prop === "a") ? "b" : "a";

    typedArray = new Int8Array(1);

    Object.defineProperty(this, second, { value: typedArray });

  if (this instanceof Int8Array)

    assertEq(prop, "0");

    observedTypedArrayElementCount++;

  return v;

});

if (first === "a")

  assertEq(obj.a, 0);

  assertEq(obj.b, typedArray);

else

  assertEq(obj.a, typedArray);

  assertEq(obj.b, 1);

assertEq(observedTypedArrayElementCount, 1);

/******************************************************************************/

if (typeof reportCompare === "function")

  reportCompare(true, true);

print("Tests complete");