for-in-with-gc-and-unvisited-deletion.js

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// Any copyright is dedicated to the Public Domain.

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

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

var gTestfile = "for-in-with-gc-and-unvisited-deletion.js";

var BUGNUMBER = 1462939;

var summary =

  "Don't mishandle deletion of a property from the internal iterator " +

  "created for a for-in loop, when a gc occurs just after it";

print(BUGNUMBER + ": " + summary);

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

 * BEGIN TEST *

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

function testOneDeletion()

  var o = {

    p: 1,

    r: 3,

    s: 4,

};

  for (var i in o)

    gc();

    delete o.s;

testOneDeletion();

function testTwoDeletions()

  var o = {

    p: 1,

    r: 3,

    s: 4,

    t: 5,

};

  for (var i in o)

    gc();

    delete o.t;

    delete o.s;

testTwoDeletions();

function testThreeDeletions()

  var o = {

    p: 1,

    r: 3,

    s: 4,

    t: 5,

    x: 7,

};

  for (var i in o)

    gc();

    delete o.x;

    delete o.t;

    delete o.s;

testThreeDeletions();

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

if (typeof reportCompare === "function")

  reportCompare(true, true);

print("Tests complete");