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// Copyright (C) 2016 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-json.stringify
es6id: 24.3.2
description: Proxy of an array is treated as an array
info: |
[...]
12. Return ? SerializeJSONProperty(the empty String, wrapper).
24.3.2.1 Runtime Semantics: SerializeJSONProperty
[...]
10. If Type(value) is Object and IsCallable(value) is false, then
a. Let isArray be ? IsArray(value).
b. If isArray is true, return ? SerializeJSONArray(value).
c. Else, return ? SerializeJSONObject(value).
[...]
7.2.2 IsArray
[...]
3. If argument is a Proxy exotic object, then
a. If the value of the [[ProxyHandler]] internal slot of argument is null,
throw a TypeError exception.
b. Let target be the value of the [[ProxyTarget]] internal slot of
argument.
c. Return ? IsArray(target).
features: [Proxy]
---*/
var objectProxy = new Proxy({}, {});
var arrayProxy = new Proxy([], {});
var arrayProxyProxy = new Proxy(arrayProxy, {});
assert.sameValue(JSON.stringify(objectProxy), '{}');
assert.sameValue(JSON.stringify(arrayProxy), '[]', 'proxy for an array');
assert.sameValue(
JSON.stringify([
[arrayProxy]
]), '[[[]]]', 'proxy for an array (nested)'
);
assert.sameValue(
JSON.stringify([
[arrayProxyProxy]
]),
'[[[]]]',
'proxy for a proxy for an array (nested)'
);
|
