PerformanceTests/SixSpeed/tests/map-set-lookup/map-set-lookup.es6

var map = new Map(),
    set = new Set(),
    key = {};

for (var i = 0; i < 500; i++) {
  map.set(i, i);
  set.add(i);
}

map.set(key, 'bar');
set.add(key);

function fn() {
  return map.has(key) && set.has(key);
}

assertEqual(fn(), true);
test(fn);