JSTests/test262/test/built-ins/String/prototype/endsWith/return-abrupt-from-position.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: 21.1.3.6
description: >
  Returns abrupt from ToInteger(endPosition).
info: |
  21.1.3.6 String.prototype.endsWith ( searchString [ , endPosition] )

  ...
  10. If endPosition is undefined, let pos be len, else let pos be
  ToInteger(endPosition).
  11. ReturnIfAbrupt(pos).
  ...
features: [String.prototype.endsWith]
---*/

var position = {
  valueOf: function() {
    throw new Test262Error();
  }
};

assert.throws(Test262Error, function() {
  ''.endsWith('', position);
});