// Copyright (C) 2015 the V8 project authors. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
es6id: 23.1.1.1
description: >
  The iterator is closed when `Map.prototype.set` throws an error.
info: |
  Map ( [ iterable ] )

  ...
  9. Repeat
    ...
    k. Let status be Call(adder, map, «k.[[value]], v.[[value]]»).
    l. If status is an abrupt completion, return IteratorClose(iter, status).
features: [Symbol.iterator]
---*/

var count = 0;
var iterable = {};
iterable[Symbol.iterator] = function() {
  return {
    next: function() {
      return {
        value: [],
        done: false
      };
    },
    return: function() {
      count += 1;
    }
  };
};
Map.prototype.set = function() {
  throw new Test262Error();
}

assert.throws(Test262Error, function() {
  new Map(iterable);
});

assert.sameValue(count, 1);
