cyclic-stringify-unrelated.js

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// Any copyright is dedicated to the Public Domain.

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

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

var BUGNUMBER = 1197097;

var summary = "JSON.stringify shouldn't use context-wide cycle detection";

print(BUGNUMBER + ": " + summary);

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

 * BEGIN TEST *

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

var arr;

// Nested yet separate JSON.stringify is okay.

arr = [{}];

assertEq(JSON.stringify(arr, function(k, v) {

  assertEq(JSON.stringify(arr), "[{}]");

  return v;

}), "[{}]");

// SpiderMonkey censors cycles in array-joining.  This mechanism must not

// interfere with the cycle detection in JSON.stringify.

arr = [{

  toString: function() {

    var s = JSON.stringify(arr);

    assertEq(s, "[{}]");

    return s;

}];

assertEq(arr.join(), "[{}]");

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

if (typeof reportCompare === "function")

  reportCompare(true, true);

print("Tests complete");