test262/test/built-ins/JSON/stringify/replacer-array-duplicates.js
Alexey Shvayka d0b5137c15 Improve JSON.stringify coverage (#2168)
* Rename & improve "length" test

* Use verifyProperty in "name" test

* Rename & improve property descriptor test

* Remove duplicated test

https://github.com/tc39/test262/blob/master/test/built-ins/Object/prototype/toString/proxy-array.js

* Rename proxy value test

* Rename & improve String object unwrapping test

* Rename & improve Number object unwrapping test

* Rename & improve Boolean object unwrapping test

* Rename & merge replacer returns undefined tests

* Rename & merge replacer function tests

* Rename replacer array revoked proxy test

* Add cross-realm replacer array revoked proxy test

* Add array proxy replacer test

* Add replacer array keys order test

* Add empty replacer array test

* Add non-finite numbers serialization test

* Add replacer array abrupt completion test

* Add replacer array with duplicates test

* Add replacer array ignores undefined test

* Add replacer array unwraps strings test

* Add replacer array unwraps numbers test

* Rename & merge circular object tests

* Add circular array test

* Rename & merge top-level primitives tests

* Rename string escape tests

* Rename BigInt tests

* Rename & improve function value test

* Add replacer function abrupt test

* Rename & merge wrong space type tests

* Rename float number space test

* Rename & improve Number object space test

* Rename & improve String object space test

* Rename basic numeric space test

* Rename string space slice test

* Add replacer array numbers test

* Add toJSON abrupt completions test

* Add not callable toJSON test

* Add toJSON call arguments test

* Add replacer array wrong types test

* Rename & improve string space test

* Rename & improve replacer wrong type test

* Add built-in object requirements test

* Add basic toJSON result test

* Add abrupt array value test

* Add abrupt object value test

* Rename & merge space number clamp tests

* Add replacer function wrapper test

* Add symbol value test

* Add negative zero value test

* Add replacer function & toJSON test

* Add circular object from toJSON test

* Add circular array from toJSON test

* Add circular object from replacer test

* Add circular array from replacer test

* Add replacer function arguments test

* Split & improve proxy value test

* Split & improve revoked proxy value test
2019-08-28 17:34:59 -03:00

30 lines
775 B
JavaScript

// Copyright (C) 2019 Aleksey Shvayka. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-json.stringify
description: >
Replacer array is deduped before Get.
info: |
JSON.stringify ( value [ , replacer [ , space ] ] )
[...]
4. If Type(replacer) is Object, then
[...]
4. Repeat, while k < len,
a. Let v be ? Get(replacer, ! ToString(k)).
[...]
f. If item is not undefined and item is not currently an element of PropertyList, then
i. Append item to the end of PropertyList.
---*/
var getCalls = 0;
var value = {
get key() {
getCalls += 1;
return true;
},
};
assert.sameValue(JSON.stringify(value, ['key', 'key']), '{"key":true}');
assert.sameValue(getCalls, 1);