text: /*
   * Copyright 2022 The Closure Compiler Authors.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  goog.module('jscomp.runtime_tests.polyfill_tests.array_at_test');
  goog.setTestOnly();
  
  const testSuite = goog.require('goog.testing.testSuite');
  
  testSuite({
    testAt() {
      let arr = [1, 2, 3, 4, 5];
      assertEquals(2, arr.at(1));
      assertEquals(4, arr.at(-2));
      assertEquals(1, arr.at(0));
      assertUndefined(arr.at(5));
    },
  });
  