v8/test/intl/number-format/sign-display-v3.js
Frank Tang 250b2e2972 [Intl] Part 1 of NumberFormat v3
Implement ALL in NumberFormat v3 except:
* Add PluralRules.prototype.selectRange
* Add NumberFormat.prototype.formatRange(ToParts)?
(which will be reviewed in later CLs)
* Change NumberFormat.prototpe.resolvedOptions

https://github.com/tc39/proposal-intl-numberformat-v3

https://chromestatus.com/guide/edit/5707621009981440

Design Doc: https://docs.google.com/document/d/19jAogPBb6W4Samt8NWGZKu47iv0_KoQhBvLgQH3xvr8/edit

Bug: v8:10776
Change-Id: I1acf833ec25fb05437cb0b21c5510bb99d1c4583
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3405649
Reviewed-by: Shu-yu Guo <syg@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/main@{#78878}
2022-02-01 02:19:48 +00:00

30 lines
1015 B
JavaScript

// Copyright 2021 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-number-format-v3
// Test default.
let nf = new Intl.NumberFormat();
assertEquals("auto", nf.resolvedOptions().signDisplay);
nf = new Intl.NumberFormat("en");
assertEquals("auto", nf.resolvedOptions().signDisplay);
const testData = [
["auto", "-123", "-0", "0", "123"],
["always", "-123", "-0", "+0", "+123"],
["never", "123", "0", "0", "123"],
["exceptZero", "-123", "0", "0", "+123"],
["negative", "-123", "0", "0", "123"],
];
for (const [signDisplay, neg, negZero, zero, pos] of testData) {
nf = new Intl.NumberFormat("en", {signDisplay});
assertEquals(signDisplay, nf.resolvedOptions().signDisplay);
assertEquals(neg, nf.format(-123));
assertEquals(negZero, nf.format(-0));
assertEquals(zero, nf.format(0));
assertEquals(pos, nf.format(123));
}