test/built-ins/Proxy/getPrototypeOf/trap-result-neither-object-nor-null-throws-undefined.js


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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: 9.5.1
description: >
    Throw a TypeError exception if trap result is undefined.
---*/

var p = new Proxy({}, {
  getPrototypeOf: function() {
    return undefined;
  }
});

assert.throws(TypeError, function() {
    Object.getPrototypeOf(p);
});