mirror of https://github.com/tc39/test262.git
27 lines
1.0 KiB
JavaScript
27 lines
1.0 KiB
JavaScript
// Copyright 2017 the V8 project authors. 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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description: SyntaxError is thrown for malformed replacements
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esid: sec-getsubstitution
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features: [regexp-named-groups]
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info: >
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Runtime Semantics: GetSubstitution( matched, str, position, captures, namedCaptures, replacement )
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Table: Replacement Text Symbol Substitutions
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Unicode Characters: $<
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Replacement text:
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2. Otherwise,
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a. Scan until the next >, throwing a SyntaxError exception if one is not found, and let the enclosed substring be groupName.
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---*/
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let source = "(?<fst>.)(?<snd>.)|(?<thd>x)";
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for (let flags of ["", "u", "g", "gu"]) {
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let re = new RegExp(source, flags);
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assert.throws(SyntaxError, () => "abcd".replace(re, "$<snd"),
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"unclosed named group in replacement should throw a SyntaxError");
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assert.throws(SyntaxError, () => "abcd".replace(re, "$<>"),
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"empty named group in replacement should throw a SyntaxError");
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}
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