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// 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.
// Flags: --harmony_intl_dateformat_fractional_second_digits
assertEquals(
0,
(new Intl.DateTimeFormat("en", {fractionalSecondDigits: 0}))
.resolvedOptions().fractionalSecondDigits);
assertEquals(
1,
(new Intl.DateTimeFormat("en", {fractionalSecondDigits: 1}))
.resolvedOptions().fractionalSecondDigits);
assertEquals(
2,
(new Intl.DateTimeFormat("en", {fractionalSecondDigits: 2}))
.resolvedOptions().fractionalSecondDigits);
assertEquals(
3,
(new Intl.DateTimeFormat("en", {fractionalSecondDigits: 3}))
.resolvedOptions().fractionalSecondDigits);
// When timeStyle and dateStyle is not present, GetNumberOption will fallback
// to 0 as default regardless fractionalSecondDigits is present in the option or
// not.
assertEquals(
0,
(new Intl.DateTimeFormat()).resolvedOptions().fractionalSecondDigits);
assertEquals(
0,
(new Intl.DateTimeFormat("en", {fractionalSecondDigits: undefined}))
.resolvedOptions().fractionalSecondDigits);
// When timeStyle or dateStyle is present, the code should not read
// fractionalSecondDigits from the option.
assertEquals(
undefined,
(new Intl.DateTimeFormat(
"en", {timeStyle: "short", fractionalSecondDigits: 3}))
.resolvedOptions().fractionalSecondDigits);
assertEquals(
undefined,
(new Intl.DateTimeFormat(
"en", {dateStyle: "short", fractionalSecondDigits: 3}))
.resolvedOptions().fractionalSecondDigits);
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