var fails = require('../internals/fails');
var wellKnownSymbol = require('../internals/well-known-symbol');
var IS_PURE = require('../internals/is-pure');

var ITERATOR = wellKnownSymbol('iterator');

module.exports = !fails(function () {
  var url = new URL('b?a=1&b=2&c=3', 'http://a');
  var searchParams = url.searchParams;
  var result = '';
  url.pathname = 'c%20d';
  searchParams.forEach(function (value, key) {
    searchParams['delete']('b');
    result += key + value;
  });
  return (IS_PURE && !url.toJSON)
    || !searchParams.sort
    || url.href !== 'http://a/c%20d?a=1&c=3'
    || searchParams.get('c') !== '3'
    || String(new URLSearchParams('?a=1')) !== 'a=1'
    || !searchParams[ITERATOR]
    // throws in Edge
    || new URL('https://a@b').username !== 'a'
    || new URLSearchParams(new URLSearchParams('a=b')).get('a') !== 'b'
    // not punycoded in Edge
    || new URL('http://тест').host !== 'xn--e1aybc'
    // not escaped in Chrome 62-
    || new URL('http://a#б').hash !== '#%D0%B1'
    // fails in Chrome 66-
    || result !== 'a1c3'
    // throws in Safari
    || new URL('http://x', undefined).host !== 'x';
});