js/src/tests/test262/built-ins/Temporal/PlainDate/prototype/dayOfYear/builtin-calendar-no-observable-calls.js

   1 // |reftest| skip-if(!this.hasOwnProperty('Temporal')) -- Temporal is not enabled unconditionally
   2 // Copyright (C) 2023 Igalia, S.L. All rights reserved.
   3 // This code is governed by the BSD license found in the LICENSE file.
   4
   5 /*---
   6 esid: sec-temporal.plaindate.prototype.dayofyear
   7 description: >
   8   Calling the method on an instance constructed with a builtin calendar causes
   9   no observable lookups or calls to calendar methods.
  10 includes: [temporalHelpers.js]
  11 features: [Temporal]
  12 ---*/
  13
  14 const dayOfYearOriginal = Object.getOwnPropertyDescriptor(Temporal.Calendar.prototype, "dayOfYear");
  15 Object.defineProperty(Temporal.Calendar.prototype, "dayOfYear", {
  16   configurable: true,
  17   enumerable: false,
  18   get() {
  19     TemporalHelpers.assertUnreachable("dayOfYear should not be looked up");
  20   },
  21 });
  22
  23 const instance = new Temporal.PlainDate(2000, 5, 2, "iso8601");
  24 instance.dayOfYear;
  25
  26 Object.defineProperty(Temporal.Calendar.prototype, "dayOfYear", dayOfYearOriginal);
  27
  28 reportCompare(0, 0);