text: // 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).
    ...
  ---*/
  
  var position = {
    valueOf: function() {
      throw new Test262Error();
    }
  };
  
  assert.throws(Test262Error, function() {
    ''.endsWith('', position);
  });
  