v8/test/intl/bigint/tolocalestring.js
Frank Tang ad887bd517 [Intl] Connect BigInt toLocaleString to nf
Bug: v8:8704
Change-Id: Ib0548a6aa9f4b148d412de5632c1652f529371fa
Reviewed-on: https://chromium-review.googlesource.com/c/1424021
Commit-Queue: Frank Tang <ftang@chromium.org>
Reviewed-by: Jakob Kummerow <jkummerow@chromium.org>
Cr-Commit-Position: refs/heads/master@{#59050}
2019-01-24 03:19:57 +00:00

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// Copyright 2019 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-bigint
var locales = [
"en", // "1,234,567,890,123,456"
"de", // "1.234.567.890.123.456"
"fr", // "1234567890123456"
"hi", // "1,23,45,67,89,01,23,456"
"fa", // "۱٬۲۳۴٬۵۶۷٬۸۹۰٬۱۲۳٬۴۵۶"
"th-u-nu-thai", // "๑,๒๓๔,๕๖๗,๘๙๐,๑๒๓,๔๕๖"
];
var data = [
Number.MAX_SAFE_INTEGER,
-Number.MAX_SAFE_INTEGER,
Math.floor(Number.MAX_SAFE_INTEGER / 2),
0,
/// -0, // this case is broken now.
];
for (var locale of locales) {
let nf = new Intl.NumberFormat(locale);
let percentOption = {style: "percent"};
let nfPercent = new Intl.NumberFormat(locale, percentOption);
for (var n of data) {
let bigint = BigInt(n);
// Test NumberFormat w/ number output the same as
// BigInt.prototype.toLocaleString()
assertEquals(nf.format(n), bigint.toLocaleString(locale));
// Test NumberFormat output the same regardless pass in as number or BigInt
assertEquals(nf.format(n), nf.format(bigint));
// Test formatToParts
assertEquals(nf.formatToParts(n), nf.formatToParts(bigint));
// Test output with option
// Test NumberFormat w/ number output the same as
// BigInt.prototype.toLocaleString()
assertEquals(nfPercent.format(n),
bigint.toLocaleString(locale, percentOption));
// Test NumberFormat output the same regardless pass in as number or BigInt
assertEquals(nfPercent.format(n), nfPercent.format(bigint));
assertEquals(nfPercent.formatToParts(n), nfPercent.formatToParts(bigint));
}
// Test very big BigInt
let veryBigInt = BigInt(Number.MAX_SAFE_INTEGER) *
BigInt(Number.MAX_SAFE_INTEGER) *
BigInt(Number.MAX_SAFE_INTEGER);
assertEquals(nf.format(veryBigInt), veryBigInt.toLocaleString(locale));
// It should output different than toString
assertFalse(veryBigInt.toLocaleString(locale) == veryBigInt.toString());
assertTrue(veryBigInt.toLocaleString(locale).length >
veryBigInt.toString().length);
}