// Copyright (C) 2020 Rick Waldron. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
esid: sec-%typedarray%.prototype.at
description: >
  Property type and descriptor.
info: |
  %TypedArray%.prototype.at( index )

  Let relativeIndex be ? ToInteger(index).

includes: [testTypedArray.js]
features: [TypedArray, TypedArray.prototype.at]
---*/
assert.sameValue(
  typeof TypedArray.prototype.at,
  'function',
  'The value of `typeof TypedArray.prototype.at` is "function"'
);

testWithTypedArrayConstructors(TA => {
  assert.sameValue(typeof TA.prototype.at, 'function', 'The value of `typeof TA.prototype.at` is "function"');
  let valueOfCallCount = 0;
  let index = {
    valueOf() {
      valueOfCallCount++;
      return 1;
    }
  };

  let a = new TA([0,1,2,3]);

  assert.sameValue(a.at(index), 1, 'a.at({valueOf() {valueOfCallCount++; return 1;}}) must return 1');
  assert.sameValue(valueOfCallCount, 1, 'The value of `valueOfCallCount` is 1');
});

reportCompare(0, 0);