mirror of https://github.com/tc39/test262.git
21 lines
635 B
JavaScript
21 lines
635 B
JavaScript
// Copyright 2022 Igalia S.L. 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: Matching behavior with duplicate named capture groups
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esid: prod-GroupSpecifier
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features: [regexp-duplicate-named-groups]
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---*/
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assert(/(?<x>a)|(?<x>b)/.test("bab"));
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assert(/(?<x>b)|(?<x>a)/.test("bab"));
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assert(/(?:(?<x>a)|(?<x>b))\k<x>/.test("aa"));
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assert(/(?:(?<x>a)|(?<x>b))\k<x>/.test("bb"));
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let matchResult = /(?:(?:(?<x>a)|(?<x>b))\k<x>){2}/.test("aabb");
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assert(matchResult);
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let notMatched = /(?:(?:(?<x>a)|(?<x>b))\k<x>){2}/.test("abab");
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assert.sameValue(notMatched, false);
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