text: // Copyright (C) 2014 the V8 project authors. All rights reserved.
  // This code is governed by the BSD license found in the LICENSE file.
  /*---
  es6id: 12.2.5
  description: >
      to name, accessor side effects 3
  includes: [compareArray.js]
  ---*/
  var counter = 0;
  var key1ToString = [];
  var key2ToString = [];
  var key1 = {
    toString: function() {
      key1ToString.push(counter);
      counter += 1;
      return 'b';
    }
  };
  var key2 = {
    toString: function() {
      key2ToString.push(counter);
      counter += 1;
      return 'd';
    }
  };
  class C {
    a() { return 'A'; }
    [key1]() { return 'B'; }
    c() { return 'C'; }
    [key2]() { return 'D'; }
  }
  
  assert.compareArray(key1ToString, [0], 'The value of key1ToString is expected to be [0]');
  assert.compareArray(key2ToString, [1], 'The value of key2ToString is expected to be [1]');
  
  assert.sameValue(counter, 2, 'The value of counter is expected to be 2');
  assert.sameValue(new C().a(), 'A', 'new C().a() must return "A"');
  assert.sameValue(new C().b(), 'B', 'new C().b() must return "B"');
  assert.sameValue(new C().c(), 'C', 'new C().c() must return "C"');
  assert.sameValue(new C().d(), 'D', 'new C().d() must return "D"');
  assert.sameValue(Object.keys(C.prototype).length, 0, 'The value of Object.keys(C.prototype).length is expected to be 0');
  assert.compareArray(
    Object.getOwnPropertyNames(C.prototype), ['constructor', 'a', 'b', 'c', 'd'],
    'Object.getOwnPropertyNames(C.prototype) must return ["constructor", "a", "b", "c", "d"]'
  );
  