v8/test/intl/segmenter/segment-word-iterable.js
Frank Tang 8c3112733a [Intl] Rename position to index in Intl.Segmenter
Sync with
https://github.com/tc39/proposal-intl-segmenter/pull/55
and
https://github.com/tc39/test262/pull/1994

Bug: v8:8588
Change-Id: Ifc46779f156ea986e3dbe6a632a781bb7134112b
Reviewed-on: https://chromium-review.googlesource.com/c/1374997
Reviewed-by: Sathya Gunasekaran <gsathya@chromium.org>
Commit-Queue: Frank Tang <ftang@chromium.org>
Cr-Commit-Position: refs/heads/master@{#58301}
2018-12-18 05:39:35 +00:00

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// 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.
// Flags: --harmony-intl-segmenter
const seg = new Intl.Segmenter([], {granularity: "word"})
for (const text of [
"Hello world!", // English
" Hello world! ", // English with space before/after
" Hello world? Foo bar!", // English
"Jedovatou mambu objevila žena v zahrádkářské kolonii.", // Czech
"Việt Nam: Nhất thể hóa sẽ khác Trung Quốc?", // Vietnamese
"Σοβαρές ενστάσεις Κομισιόν για τον προϋπολογισμό της Ιταλίας", // Greek
"Решение Индии о покупке российских С-400 расценили как вызов США", // Russian
"הרופא שהציל נשים והנערה ששועבדה ע", // Hebrew,
"ترامب للملك سلمان: أنا جاد للغاية.. عليك دفع المزيد", // Arabic
"भारत की एस 400 मिसाइल के मुकाबले पाक की थाड, जानें कौन कितना ताकतवर", // Hindi
"ரெட் அலர்ட் எச்சரிக்கை; புதுச்சேரியில் நாளை அரசு விடுமுறை!", // Tamil
"'ఉత్తర్వులు అందే వరకు ఓటర్ల తుది జాబితాను వెబ్‌సైట్లో పెట్టవద్దు'", // Telugu
"台北》抹黑柯P失敗朱學恒酸姚文智氣pupu嗆大老闆", // Chinese
"วัดไทรตีระฆังเบาลงช่วงเข้าพรรษา เจ้าอาวาสเผยคนร้องเรียนรับผลกรรมแล้ว", // Thai
"九州北部の一部が暴風域に入りました(日直予報士 2018年10月06日) - 日本気象協会 tenki.jp", // Japanese
"법원 “다스 지분 처분권·수익권 모두 MB가 보유”", // Korean
]) {
let segments = [];
// Create another %SegmentIterator% to compare with result from the one that
// created in the for of loop.
let iter = seg.segment(text);
let prev = 0;
for (const v of seg.segment(text)) {
assertTrue(["word", "none"].includes(v.breakType), v.breakType);
assertEquals("string", typeof v.segment);
assertTrue(v.segment.length > 0);
segments.push(v.segment);
// manually advance the iter.
assertFalse(iter.following());
assertEquals(iter.breakType, v.breakType);
assertEquals(text.substring(prev, iter.index), v.segment);
prev = iter.index;
}
assertTrue(iter.following());
assertEquals(text, segments.join(''));
}