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// Copyright (C) 2017 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-__proto__-property-names-in-object-initializers
es6id: B.3.1
description: >
The syntax error for duplicate `__proto__` property is not valid if the duplicate is a
ComputedPropertyName
info: |
B.3.1__proto__ Property Names in Object Initializers
It is a Syntax Error if PropertyNameList of PropertyDefinitionList contains any duplicate
entries for "__proto__" and at least two of those entries were obtained from productions of
the form
PropertyDefinition : PropertyName : AssignmentExpression .
12.2.6.6 Static Semantics: PropertyNameList
...
3. Append PropName of PropertyDefinition to the end of list.
...
12.2.6.5 Static Semantics: PropName
ComputedPropertyName : [ AssignmentExpression ]
1. Return empty.
---*/
var obj;
var proto = {};
var ownProp = {};
obj = {
__proto__: proto,
['__proto__']: {},
['__proto__']: ownProp
};
assert.sameValue(
Object.getPrototypeOf(obj),
proto,
'prototype is defined'
);
assert(
Object.prototype.hasOwnProperty.call(obj, '__proto__'),
'has own property __proto__'
);
assert.sameValue(
obj.__proto__,
ownProp,
'own property value'
);
reportCompare(0, 0);
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