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89 lines
3.7 KiB
JavaScript
89 lines
3.7 KiB
JavaScript
// Copyright 2018 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Flags: --harmony-regexp-sequence
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// Normal usage.
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assertDoesNotThrow("/\\p{Emoji_Flag_Sequence}/u");
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assertTrue(/\p{Emoji_Flag_Sequence}/u.test("\u{1F1E9}\u{1F1EA}"));
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assertDoesNotThrow("/\\p{Emoji_Keycap_Sequence}/u");
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assertTrue(/\p{Emoji_Keycap_Sequence}/u.test("\u0023\uFE0F\u20E3"));
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assertDoesNotThrow("/\\p{Emoji_Keycap_Sequence}/u");
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assertFalse(/\p{Emoji_Keycap_Sequence}/u.test("\u0022\uFE0F\u20E3"));
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assertDoesNotThrow("/\\p{Emoji_Modifier_Sequence}/u");
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assertTrue(/\p{Emoji_Modifier_Sequence}/u.test("\u26F9\u{1F3FF}"));
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assertDoesNotThrow("/\\p{Emoji_ZWJ_Sequence}/u");
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assertTrue(/\p{Emoji_ZWJ_Sequence}/u.test("\u{1F468}\u{200D}\u{1F467}"));
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// Without unicode flag.
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assertDoesNotThrow("/\\p{Emoji_Flag_Sequence}/");
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assertFalse(/\p{Emoji_Flag_Sequence}/.test("\u{1F1E9}\u{1F1EA}"));
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assertTrue(/\p{Emoji_Flag_Sequence}/.test("\\p{Emoji_Flag_Sequence}"));
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// Negated and/or inside a character class.
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assertThrows("/\\P{Emoji_Flag_Sequence}/u");
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assertThrows("/\\P{Emoji_Keycap_Sequence}/u");
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assertThrows("/\\P{Emoji_Modifier_Sequence}/u");
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assertThrows("/\\P{Emoji_Tag_Sequence}/u");
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assertThrows("/\\P{Emoji_ZWJ_Sequence}/u");
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assertThrows("/[\\p{Emoji_Flag_Sequence}]/u");
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assertThrows("/[\\p{Emoji_Keycap_Sequence}]/u");
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assertThrows("/[\\p{Emoji_Modifier_Sequence}]/u");
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assertThrows("/[\\p{Emoji_Tag_Sequence}]/u");
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assertThrows("/[\\p{Emoji_ZWJ_Sequence}]/u");
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assertThrows("/[\\P{Emoji_Flag_Sequence}]/u");
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assertThrows("/[\\P{Emoji_Keycap_Sequence}]/u");
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assertThrows("/[\\P{Emoji_Modifier_Sequence}]/u");
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assertThrows("/[\\P{Emoji_Tag_Sequence}]/u");
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assertThrows("/[\\P{Emoji_ZWJ_Sequence}]/u");
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assertThrows("/[\\w\\p{Emoji_Flag_Sequence}]/u");
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assertThrows("/[\\w\\p{Emoji_Keycap_Sequence}]/u");
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assertThrows("/[\\w\\p{Emoji_Modifier_Sequence}]/u");
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assertThrows("/[\\w\\p{Emoji_Tag_Sequence}]/u");
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assertThrows("/[\\w\\p{Emoji_ZWJ_Sequence}]/u");
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assertThrows("/[\\w\\P{Emoji_Flag_Sequence}]/u");
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assertThrows("/[\\w\\P{Emoji_Keycap_Sequence}]/u");
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assertThrows("/[\\w\\P{Emoji_Modifier_Sequence}]/u");
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assertThrows("/[\\w\\P{Emoji_Tag_Sequence}]/u");
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assertThrows("/[\\w\\P{Emoji_ZWJ_Sequence}]/u");
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// Two regional indicators, but not a country.
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assertFalse(/\p{Emoji_Flag_Sequence}/u.test("\u{1F1E6}\u{1F1E6}"));
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// ZWJ sequence as in two ZWJ elements joined by a ZWJ, but not in the list.
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assertFalse(/\p{Emoji_ZWJ_Sequence}/u.test("\u{1F467}\u{200D}\u{1F468}"));
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// More complex regexp
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assertEquals(
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["country flag: \u{1F1E6}\u{1F1F9}"],
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/Country Flag: \p{Emoji_Flag_Sequence}/iu.exec(
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"this is an example of a country flag: \u{1F1E6}\u{1F1F9} is Austria"));
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assertEquals(
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["country flag: \u{1F1E6}\u{1F1F9}", "\u{1F1E6}\u{1F1F9}"],
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/Country Flag: (\p{Emoji_Flag_Sequence})/iu.exec(
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"this is an example of a country flag: \u{1F1E6}\u{1F1F9} is Austria"));
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assertEquals(
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["country flag: \u{1F1E6}\u{1F1F9}"],
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/Country Flag: ..(?<=\p{Emoji_Flag_Sequence})/iu.exec(
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"this is an example of a country flag: \u{1F1E6}\u{1F1F9} is Austria"));
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assertEquals(
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["flag: \u{1F1E6}\u{1F1F9}", "\u{1F1E6}\u{1F1F9}"],
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/Flag: ..(?<=(\p{Emoji_Flag_Sequence})|\p{Emoji_Keycap_Sequence})/iu.exec(
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"this is an example of a country flag: \u{1F1E6}\u{1F1F9} is Austria"));
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// Partial sequences.
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assertFalse(/\p{Emoji_Flag_Sequence}/u.test("\u{1F1E6}_"));
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assertFalse(/\p{Emoji_Keycap_Sequence}/u.test("2\uFE0F_"));
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assertFalse(/\p{Emoji_Modifier_Sequence}/u.test("\u261D_"));
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assertFalse(/\p{Emoji_Tag_Sequence}/u.test("\u{1F3F4}\u{E0067}\u{E0062}\u{E0065}\u{E006E}\u{E0067}_"));
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assertFalse(/\p{Emoji_ZWJ_Sequence}/u.test("\u{1F468}\u200D\u2764\uFE0F\u200D_"));
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