third_party/v8/test/js-perf-test/SuperIC/monomorphic-getter.js

// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

const DETERMINISTIC_RUNS = 10000;
new BenchmarkSuite(BENCHMARK_NAME, [1000], [
  new Benchmark(BENCHMARK_NAME, false, false, DETERMINISTIC_RUNS, runBenchmark)
]);

class A {
  get super_prop() {
    return 10;
  }
};

class B extends A {
  test() {
    return super.super_prop;
  }
};

const objects = [new B(), new B(), new B(), new B()];

let ix = 0;
const EXPECTED_VALUE = 10;

function runBenchmark() {
  const r = objects[ix].test();
  if (r != EXPECTED_VALUE) {
    throw new Error("Test error");
  }
  if (++ix == objects.length) {
    ix = 0;
  }
}