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85d595effa
Emoji data is now published as part of the Unicode standard itself, and thus follows the same version number.
Ref. f302c60c84.
Ref. https://github.com/tc39/ecma262/pull/1218.
Ref. https://github.com/tc39/ecma262/issues/1219.
28 lines
1002 B
JavaScript
28 lines
1002 B
JavaScript
// Copyright 2017 Mathias Bynens. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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author: Mathias Bynens
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description: >
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Unicode property escapes must be supported in character classes.
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esid: sec-static-semantics-unicodematchproperty-p
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features: [regexp-unicode-property-escapes]
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---*/
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/[\p{Hex}]/u;
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assert.throws(
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SyntaxError,
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() => /[\p{Hex}-\uFFFF]/u,
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// See step 1 of https://tc39.github.io/ecma262/#sec-runtime-semantics-characterrange-abstract-operation.
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'property escape at start of character class range should throw if it expands to multiple characters'
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);
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assert.throws.early(SyntaxError, "/[\\p{}]/u");
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assert.throws.early(SyntaxError, "/[\\p{invalid}]/u");
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assert.throws.early(SyntaxError, "/[\\p{]/u");
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assert.throws.early(SyntaxError, "/[\\p{]}/u");
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assert.throws.early(SyntaxError, "/[\\p}]/u");
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assert(
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/[\p{Hex}\P{Hex}]/u.test('\u{1D306}'),
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'multiple property escapes in a single character class should be supported'
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);
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