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// Any copyright is dedicated to the Public Domain.
// http://creativecommons.org/licenses/publicdomain/
var gTestfile = 'parse-reviver-array-delete.js';
//-----------------------------------------------------------------------------
var BUGNUMBER = 999999;
var summary = "JSON.parse with a reviver which elides array elements";
print(BUGNUMBER + ": " + summary);
/**************
* BEGIN TEST *
**************/
/*
* The reviver deletes all properties from the to-be-returned array. Thus
* stringification reveals properties on the prototype chain -- but there are
* none, so this result is unsurprising.
*/
assertEq(JSON.parse('[1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0]',
function revive(k, v)
{
if (k === "")
return v;
return undefined;
}) + "",
",,,,,,,,,,,,,,,,,,,");
/*
* Now let's try a reviver that deletes every property but a mega-huge one.
*/
var str = "[";
var expected = "";
var expected2 = "";
for (var i = 0; i < 2048; i++)
{
str += "1,";
if (i === 2047)
{
expected += "1";
expected2 += "1";
}
if (i === 3)
expected2 += "17";
expected += ",";
expected2 += ",";
}
str += "1]";
assertEq(JSON.parse(str,
function reviver(k, v)
{
if (k === "" || k === "2047")
return v;
return undefined;
}) + "",
expected);
Array.prototype[3] = 17;
/* Now, with a property on the prototype chain, it'll show through. */
assertEq(JSON.parse('[1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0]',
function revive(k, v)
{
if (k === "")
return v;
return undefined;
}) + "",
",,,17,,,,,,,,,,,,,,,,");
/* And here too. */
assertEq(JSON.parse(str,
function reviver(k, v)
{
if (k === "" || k === "2047")
return v;
return undefined;
}) + "",
expected2);
/******************************************************************************/
if (typeof reportCompare === "function")
reportCompare(true, true);
print("Tests complete");
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