JSTests/test262/test/language/expressions/template-literal/middle-list-one-expr-tostr-error.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: 12.2.8.5
description: Abrupt completion when converting expression value of TemplateMiddleList
info: >
    TemplateMiddleList : TemplateMiddle Expression

    1. Let head be the TV of TemplateMiddle as defined in 11.8.6.
    2. Let sub be the result of evaluating Expression.
    3. Let middle be ToString(sub).
    4. ReturnIfAbrupt(middle).
---*/

var obj = {
  toString: function() {
    throw new Test262Error();
  }
};

assert.throws(Test262Error, function() {
  `${0} ${obj}`;
});