JSTests/test262/test/intl402/NumberFormat/constructor-compactDisplay-no-compact.js

// Copyright 2019 Igalia, S.L. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.

/*---
esid: sec-initializenumberformat
description: Checks handling of the compactDisplay option to the NumberFormat constructor.
info: |
    InitializeNumberFormat ( numberFormat, locales, options )

    19. Let compactDisplay be ? GetOption(options, "compactDisplay", "string", « "short", "long" », "short").
    20. If notation is "compact", then
        a. Set numberFormat.[[CompactDisplay]] to compactDisplay.

includes: [compareArray.js]
features: [Intl.NumberFormat-unified]
---*/

const values = [
  [undefined, "short"],
  ["short"],
  ["long"],
];

const notations = [
  undefined,
  "standard",
  "scientific",
  "engineering",
];

for (const notation of notations) {
  for (const [value, expected = value] of values) {
    const callOrder = [];
    const nf = new Intl.NumberFormat([], {
      get notation() {
        callOrder.push("notation");
        return notation;
      },
      get compactDisplay() {
        callOrder.push("compactDisplay");
        return value;
      }
    });
    const resolvedOptions = nf.resolvedOptions();
    assert.sameValue("compactDisplay" in resolvedOptions, false);
    assert.sameValue(resolvedOptions.compactDisplay, undefined);

    assert.compareArray(callOrder, [
      "notation",
      "compactDisplay",
    ]);
  }
}