v8/test/mjsunit/harmony/regexp-property-sequence.js
Yang Guo f4c14fd971 [regexp] implement regexp property sequence proposal
Also-By: mathias@chromium.org
Bug: v8:7467
Change-Id: I9fd6e61f4da1097c2375f671b4801e9730f792c4
Reviewed-on: https://chromium-review.googlesource.com/1227974
Commit-Queue: Yang Guo <yangguo@chromium.org>
Reviewed-by: Jakob Gruber <jgruber@chromium.org>
Reviewed-by: Mathias Bynens <mathias@chromium.org>
Cr-Commit-Position: refs/heads/master@{#55991}
2018-09-18 12:20:54 +00:00

58 lines
2.4 KiB
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.
// Flags: --harmony-regexp-sequence
// Normal usage.
assertDoesNotThrow("/\\p{Emoji_Flag_Sequence}/u");
assertTrue(/\p{Emoji_Flag_Sequence}/u.test("\u{1F1E9}\u{1F1EA}"));
assertDoesNotThrow("/\\p{Emoji_Keycap_Sequence}/u");
assertTrue(/\p{Emoji_Keycap_Sequence}/u.test("\u0023\ufe0f\u20e3"));
assertDoesNotThrow("/\\p{Emoji_Keycap_Sequence}/u");
assertFalse(/\p{Emoji_Keycap_Sequence}/u.test("\u0022\ufe0f\u20e3"));
assertDoesNotThrow("/\\p{Emoji_Modifier_Sequence}/u");
assertTrue(/\p{Emoji_Modifier_Sequence}/u.test("\u26f9\u{1f3ff}"));
assertDoesNotThrow("/\\p{Emoji_ZWJ_Sequence}/u");
assertTrue(/\p{Emoji_ZWJ_Sequence}/u.test("\u{1F468}\u{200D}\u{1F467}"));
// Without unicode flag.
assertDoesNotThrow("/\\p{Emoji_Flag_Sequence}/");
assertFalse(/\p{Emoji_Flag_Sequence}/.test("\u{1F1E9}\u{1F1EA}"));
assertTrue(/\p{Emoji_Flag_Sequence}/.test("\\p{Emoji_Flag_Sequence}"));
// Negated and/or inside a character class.
assertThrows("/\\P{Emoji_Flag_Sequence}/u");
assertThrows("/[\\p{Emoji_Flag_Sequence}]/u");
assertThrows("/[\\P{Emoji_Flag_Sequence}]/u");
assertThrows("/[\\w\\p{Emoji_Flag_Sequence}]/u");
assertThrows("/[\\w\\P{Emoji_Flag_Sequence}]/u");
// Two regional indicators, but not a country.
assertFalse(/\p{Emoji_Flag_Sequence}/u.test("\u{1F1E6}\u{1F1E6}"));
// ZWJ sequence as in two ZWJ elements joined by a ZWJ, but not in the list.
assertFalse(/\p{Emoji_ZWJ_Sequence}/u.test("\u{1F467}\u{200D}\u{1F468}"));
// More complex regexp
assertEquals(
["country flag: \u{1F1E6}\u{1F1F9}"],
/Country Flag: \p{Emoji_Flag_Sequence}/iu.exec(
"this is an example of a country flag: \u{1F1E6}\u{1F1F9} is Austra"));
assertEquals(
["country flag: \u{1F1E6}\u{1F1F9}", "\u{1F1E6}\u{1F1F9}"],
/Country Flag: (\p{Emoji_Flag_Sequence})/iu.exec(
"this is an example of a country flag: \u{1F1E6}\u{1F1F9} is Austra"));
assertEquals(
["country flag: \u{1F1E6}\u{1F1F9}"],
/Country Flag: ..(?<=\p{Emoji_Flag_Sequence})/iu.exec(
"this is an example of a country flag: \u{1F1E6}\u{1F1F9} is Austra"));
assertEquals(
["flag: \u{1F1E6}\u{1F1F9}", "\u{1F1E6}\u{1F1F9}"],
/Flag: ..(?<=(\p{Emoji_Flag_Sequence})|\p{Emoji_Keycap_Sequence})/iu.exec(
"this is an example of a country flag: \u{1F1E6}\u{1F1F9} is Austra"));