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// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 9.5.9
description: >
    [[Set]] ( P, V, Receiver)

    Returns true if trap returns true and target property accessor is not
    configurable and set is not undefined.
features: [Reflect]
---*/

var target = {};
var handler = {
    set: function(t, prop, value, receiver) {
        return true;
    }
};
var p = new Proxy(target, handler);

Object.defineProperty(target, 'attr', {
    configurable: false,
    set: function( value ) {
        return value;
    }
});

assert(Reflect.set(p, "attr", 1));