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// |reftest| shell-option(--enable-regexp-duplicate-named-groups) skip-if(!xulRuntime.shell) -- requires shell-options
// Copyright 2022 Kevin Gibbons. All rights reserved.
// This code is governed by the BSD license found in the LICENSE file.
/*---
description: String.prototype.replace behavior with duplicate named capture groups
esid: prod-GroupSpecifier
features: [regexp-duplicate-named-groups]
---*/
assert.sameValue("ab".replace(/(?<x>a)|(?<x>b)/, "[$<x>]"), "[a]b");
assert.sameValue("ba".replace(/(?<x>a)|(?<x>b)/, "[$<x>]"), "[b]a");
assert.sameValue("ab".replace(/(?<x>a)|(?<x>b)/, "[$<x>][$1][$2]"), "[a][a][]b");
assert.sameValue("ba".replace(/(?<x>a)|(?<x>b)/, "[$<x>][$1][$2]"), "[b][][b]a");
assert.sameValue("ab".replace(/(?<x>a)|(?<x>b)/g, "[$<x>]"), "[a][b]");
assert.sameValue("ba".replace(/(?<x>a)|(?<x>b)/g, "[$<x>]"), "[b][a]");
reportCompare(0, 0);