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fd4f80ce54
PR-URL: https://github.com/nodejs/node/pull/42657 Reviewed-By: Darshan Sen <raisinten@gmail.com> Reviewed-By: Richard Lau <rlau@redhat.com> Reviewed-By: Jiawen Geng <technicalcute@gmail.com> Reviewed-By: Michael Dawson <midawson@redhat.com>
61 lines
1.5 KiB
JavaScript
61 lines
1.5 KiB
JavaScript
// Copyright 2021 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-number-format-v3
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let validRoundingMode = [
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"ceil",
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"floor",
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"expand",
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"halfCeil",
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"halfExpand",
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"halfFloor",
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"halfTrunc",
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"halfEven",
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"trunc",
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];
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let invalidRoundingMode = [
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"ceiling",
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"down",
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"Down",
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"flooring",
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"halfDown",
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"halfUp",
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"halfup",
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"halfeven",
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"halfdown",
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"half-up",
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"half-even",
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"half-down",
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"up",
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"Up",
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];
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validRoundingMode.forEach(function(roundingMode) {
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let nf = new Intl.NumberFormat(undefined, {roundingMode});
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assertEquals(roundingMode, nf.resolvedOptions().roundingMode);
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});
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invalidRoundingMode.forEach(function(roundingMode) {
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assertThrows(() => {
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let nf = new Intl.NumberFormat(undefined, {roundingMode}); });
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});
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// Check default is "halfExpand"
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assertEquals("halfExpand", (new Intl.NumberFormat().resolvedOptions().roundingMode));
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assertEquals("halfExpand", (new Intl.NumberFormat(
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undefined, {roundingMode: undefined}).resolvedOptions().roundingMode));
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// Check roundingMode is read once after reading signDisplay
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let read = [];
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let options = {
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get signDisplay() { read.push('signDisplay'); return undefined; },
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get roundingMode() { read.push('roundingMode'); return undefined; },
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};
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assertDoesNotThrow(() => new Intl.NumberFormat(undefined, options));
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assertEquals("signDisplay,roundingMode", read.join(","));
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