test/built-ins/undefined/15.1.1.3-3.js


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// Copyright (c) 2012 Ecma International.  All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
es5id: 15.1.1.3-3
es6id: 18.1.3
esid: sec-undefined
description: >
    undefined is not writable, simple assignment should return the
    rval value (11.13.1-6)
flags: [noStrict]
---*/

var newProperty = undefined = 42;

assert.sameValue(newProperty, 42, 'newProperty');