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// Any copyright is dedicated to the Public Domain.
// http://creativecommons.org/licenses/publicdomain/
var gTestfile = 'stringify-replacer-array-hijinks.js';
//-----------------------------------------------------------------------------
var BUGNUMBER = 648471;
var summary =
"Better/more correct handling for replacer arrays with getter array index " +
"properties";
print(BUGNUMBER + ": " + summary);
/**************
* BEGIN TEST *
**************/
var replacer = [0, 1, 2, 3];
Object.prototype[3] = 3;
Object.defineProperty(replacer, 1, {
get: function()
{
Object.defineProperty(replacer, 4, { value: 4 });
delete replacer[2];
delete replacer[3];
replacer[5] = 5;
return 1;
}
});
var s =
JSON.stringify({0: { 1: { 3: { 4: { 5: { 2: "omitted" } } } } } }, replacer);
// The replacer array's length is as seen on first query, so property names are
// accumulated for indexes i ∈ {0, 1, 2, 3}, but index 1 deletes 2 and 3, so 2
// isn't seen but 3 is seen as Object.prototype[3].
assertEq('{"0":{"1":{"3":{"3":3}},"3":3},"3":3}', s);
var replacer = [0, 1, 2, 3];
Object.defineProperty(replacer, 0, {
get: function()
{
replacer.length = 0;
return {};
}
});
// The replacer.length truncation means only properties on the prototype chain
// shine through, but it doesn't affect the original bounds of the iteration
// used to determine property names which will be included in the final string.
assertEq(JSON.stringify({ 0: 0, 1: 1, 2: 2, 3: 3 }, replacer),
'{"3":3}');
/******************************************************************************/
if (typeof reportCompare === "function")
reportCompare(true, true);
print("Tests complete");
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