52 lines
1.6 KiB
JavaScript
52 lines
1.6 KiB
JavaScript
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// Copyright 2020 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --harmony_intl_dateformat_fractional_second_digits
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assertEquals(
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0,
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(new Intl.DateTimeFormat("en", {fractionalSecondDigits: 0}))
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.resolvedOptions().fractionalSecondDigits);
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assertEquals(
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1,
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(new Intl.DateTimeFormat("en", {fractionalSecondDigits: 1}))
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.resolvedOptions().fractionalSecondDigits);
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assertEquals(
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2,
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(new Intl.DateTimeFormat("en", {fractionalSecondDigits: 2}))
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.resolvedOptions().fractionalSecondDigits);
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assertEquals(
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3,
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(new Intl.DateTimeFormat("en", {fractionalSecondDigits: 3}))
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.resolvedOptions().fractionalSecondDigits);
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// When timeStyle and dateStyle is not present, GetNumberOption will fallback
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// to 0 as default regardless fractionalSecondDigits is present in the option or
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// not.
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assertEquals(
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0,
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(new Intl.DateTimeFormat()).resolvedOptions().fractionalSecondDigits);
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assertEquals(
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0,
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(new Intl.DateTimeFormat("en", {fractionalSecondDigits: undefined}))
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.resolvedOptions().fractionalSecondDigits);
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// When timeStyle or dateStyle is present, the code should not read
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// fractionalSecondDigits from the option.
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assertEquals(
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undefined,
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(new Intl.DateTimeFormat(
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"en", {timeStyle: "short", fractionalSecondDigits: 3}))
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.resolvedOptions().fractionalSecondDigits);
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assertEquals(
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undefined,
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(new Intl.DateTimeFormat(
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"en", {dateStyle: "short", fractionalSecondDigits: 3}))
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.resolvedOptions().fractionalSecondDigits);
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