v8/test/intl/segmenter/subclassing.js
Frank Tang 64da43ef36 Reland "[intl] Clean up intl_segmenter flag"
This is a reland of c9c3ec4c14


Original change's description:
> [intl] Clean up intl_segmenter flag
>
> Intl.Segmenter shipped in m87 and launched.
>
> Bug: v8:11225
> Change-Id: I4213e261e1aea717c1281f19785a8c29ff1bbd8b
> Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2570461
> Commit-Queue: Frank Tang <ftang@chromium.org>
> Reviewed-by: Shu-yu Guo <syg@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#71653}

Bug: v8:11225, v8:11240
Change-Id: Ibded9038671862d90206d328f8a12db51c40e63c
Cq-Include-Trybots: luci.v8.try:v8_linux64_gc_stress_custom_snapshot_dbg_ng,v8_linux_arm64_gc_stress_dbg_ng,v8_linux_gc_stress_dbg_ng,v8_mac64_gc_stress_dbg_ng
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2579043
Commit-Queue: Frank Tang <ftang@chromium.org>
Reviewed-by: Shu-yu Guo <syg@chromium.org>
Cr-Commit-Position: refs/heads/master@{#71691}
2020-12-10 10:25:48 +00:00

16 lines
518 B
JavaScript

// Copyright 2018 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.
// Test subclassing of Segmenter
class CustomSegmenter extends Intl.Segmenter {
constructor(locales, options) {
super(locales, options);
this.isCustom = true;
}
}
const seg = new CustomSegmenter("zh");
assertEquals(true, seg.isCustom, "Custom property");
assertEquals(Object.getPrototypeOf(seg), CustomSegmenter.prototype, "Prototype");