test/built-ins/Object/assign/Target-Undefined.js


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// Copyright 2015 Microsoft Corporation. All rights reserved.
// This code is governed by the license found in the LICENSE file.

/*---
description: Test the first argument(target) of Object.Assign(target,...sources),
             if target is Undefined,Should Throw a TypeError exception.
es6id:  19.1.2.1.1
---*/

assert.throws(TypeError, function() {
  Object.assign(undefined, {
    a: 1
  });
});