b819afeb4f
Spec: http://tc39.github.io/proposal-intl-relative-time/ Design Doc: go/add-intl.relativetimeformat-to-v8 Test: test262/intl402/RelativeTimeFormat/*, intl/relative-time-format/* R=cira@chromium.org, gsathya@chromium.org Bug: v8:7869 Cq-Include-Trybots: luci.v8.try:v8_linux_noi18n_rel_ng Change-Id: Ied95d601cf707db5d555f9d963b9b1f206e37331 Reviewed-on: https://chromium-review.googlesource.com/1124728 Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org> Commit-Queue: Frank Tang <ftang@chromium.org> Cr-Commit-Position: refs/heads/master@{#54520}
69 lines
2.9 KiB
JavaScript
69 lines
2.9 KiB
JavaScript
// Copyright 2018 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-relative-time-format
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// The following test are not part of the comformance. Just some output in
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// English to verify the format does return something reasonable for English.
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// It may be changed when we update the CLDR data.
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// NOTE: These are UNSPECIFIED behavior in
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// http://tc39.github.io/proposal-intl-relative-time/
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// From Sample code in https://github.com/tc39/proposal-intl-relative-time#intlrelativetimeformatprototypeformattopartsvalue-unit
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// // Format relative time using the day unit.
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// rtf.formatToParts(-1, "day");
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// // > [{ type: "literal", value: "yesterday"}]
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let longAuto = new Intl.RelativeTimeFormat(
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"en", {style: "long", localeMatcher: 'lookup', numeric: 'auto'});
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var parts = longAuto.formatToParts(-1, "day");
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assertEquals(1, parts.length);
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assertEquals(2, Object.getOwnPropertyNames(parts[0]).length);
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assertEquals('literal', parts[0].type);
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assertEquals('yesterday', parts[0].value);
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// From Sample code in https://github.com/tc39/proposal-intl-relative-time#intlrelativetimeformatprototypeformattopartsvalue-unit
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// rtf.formatToParts(100, "day");
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// // > [{ type: "literal", value: "in " }, { type: "integer", value: "100", unit: "day" }, { type: "literal", value: " days" }]
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let longAlways = new Intl.RelativeTimeFormat(
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"en", {style: "long", localeMatcher: 'lookup', numeric: 'always'});
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parts = longAlways.formatToParts(100, "day");
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assertEquals(3, parts.length);
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assertEquals(2, Object.getOwnPropertyNames(parts[0]).length);
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assertEquals('literal', parts[0].type);
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assertEquals('in ', parts[0].value);
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assertEquals(3, Object.getOwnPropertyNames(parts[1]).length);
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assertEquals('integer', parts[1].type);
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assertEquals('100', parts[1].value);
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assertEquals('day', parts[1].unit);
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assertEquals(2, Object.getOwnPropertyNames(parts[2]).length);
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assertEquals('literal', parts[2].type);
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assertEquals(' days', parts[2].value);
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assertThrows(() => longAlways.format(NaN, 'second'), RangeError);
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assertThrows(() => longAuto.format(NaN, 'second'), RangeError);
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parts = longAlways.formatToParts(-10, "day");
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assertEquals(2, parts.length);
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assertEquals(3, Object.getOwnPropertyNames(parts[0]).length);
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assertEquals('integer', parts[0].type);
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assertEquals('10', parts[0].value);
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assertEquals('day', parts[0].unit);
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assertEquals(2, Object.getOwnPropertyNames(parts[1]).length);
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assertEquals('literal', parts[1].type);
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assertEquals(' days ago', parts[1].value);
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parts = longAlways.formatToParts(-0, "day");
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assertEquals(2, parts.length);
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assertEquals(3, Object.getOwnPropertyNames(parts[0]).length);
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assertEquals('integer', parts[0].type);
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assertEquals('00', parts[0].value);
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assertEquals('day', parts[0].unit);
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assertEquals(2, Object.getOwnPropertyNames(parts[1]).length);
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assertEquals('literal', parts[1].type);
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assertEquals(' days ago', parts[1].value);
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