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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-object.prototype.tostring
es6id: 19.1.3.6
description: Proxy of an array is treated as an array
info: |
[...]
3. Let O be ToObject(this value).
4. Let isArray be ? IsArray(O).
5. If isArray is true, let builtinTag be "Array".
[...]
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(
Object.prototype.toString.call(objectProxy), '[object Object]'
);
assert.sameValue(
Object.prototype.toString.call(arrayProxy), '[object Array]', 'array proxy'
);
assert.sameValue(
Object.prototype.toString.call(arrayProxyProxy),
'[object Array]',
'proxy for array proxy'
);
|
