/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

// ES2017 draft rev 0e10c9f29fca1385980c08a7d5e7bb3eb775e2e4
// 23.3.1.1 WeakMap, steps 6-8
function WeakMapConstructorInit(iterable) {
  var map = this;

  // Step 6.a.
  var adder = map.set;

  // Step 6.b.
  if (!IsCallable(adder)) {
    ThrowTypeError(JSMSG_NOT_FUNCTION, typeof adder);
  }

  // Steps 6.c-8.
  for (var nextItem of allowContentIter(iterable)) {
    // Step 8.d.
    if (!IsObject(nextItem)) {
      ThrowTypeError(JSMSG_INVALID_MAP_ITERABLE, "WeakMap");
    }

    // Steps 8.e-j.
    callContentFunction(adder, map, nextItem[0], nextItem[1]);
  }
}