JSTests/test262/test/built-ins/String/raw/nextkey-is-symbol-throws.js

// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 21.1.2.4
description: >
  Throws a TypeError if nextKey is Symbol
info: |
  21.1.2.4 String.raw ( template , ...substitutions )

  ...
  10. Let stringElements be a new List.
  11. Let nextIndex be 0.
  12. Repeat
    a. Let nextKey be ToString(nextIndex).
    b. Let nextSeg be ToString(Get(raw, nextKey)).
    c. ReturnIfAbrupt(nextSeg).
    ...
features: [Symbol]
---*/

var obj = {
  raw: {
    length: 1,
    '0': Symbol('')
  }
};

assert.throws(TypeError, function() {
  String.raw(obj);
});