<!-- Generated by //third_party/WebKit/LayoutTests/bluetooth/generate.py -->
<!DOCTYPE html>
<script src="../../../resources/testharness.js"></script>
<script src="../../../resources/testharnessreport.js"></script>
<script src="../../../resources/bluetooth/bluetooth-helpers.js"></script>
<script>
'use strict';
bluetooth_test(() => {
  return getMeasurementIntervalCharacteristic()
    .then(({characteristic}) => Promise.all([
      characteristic.getDescriptors(user_description.alias),
      characteristic.getDescriptors(user_description.name),
      characteristic.getDescriptors(user_description.uuid)
    ]))
    .then(descriptors_arrays => {

      assert_true(descriptors_arrays.length > 0)

      // Convert to arrays if necessary.
      for (let i = 0; i < descriptors_arrays.length; i++) {
        descriptors_arrays[i] = [].concat(descriptors_arrays[i]);
      }

      for (let i = 1; i < descriptors_arrays.length; i++) {
        assert_equals(descriptors_arrays[0].length,
                      descriptors_arrays[i].length);
      }

      let base_set = new Set(descriptors_arrays[0]);
      for (let descriptors of descriptors_arrays) {
        descriptors.forEach(
          descriptor => assert_true(base_set.has(descriptor)));
      }
    });
}, 'Calls to getDescriptors should return the same object.');

</script>