1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/staging/built-ins/RegExp/named-groups/duplicate-named-groups-replace.js b/js/src/tests/test262/staging/built-ins/RegExp/named-groups/duplicate-named-groups-replace.js
new file mode 100644
index 0000000000..f26eebab4d
--- /dev/null
+++ b/js/src/tests/test262/staging/built-ins/RegExp/named-groups/duplicate-named-groups-replace.js
@@ -0,0 +1,31 @@
+// |reftest| skip -- regexp-duplicate-named-groups is not supported
+// Copyright (C) 2024 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Test replace function with duplicate names in alteration.
+features: [regexp-duplicate-named-groups]
+includes: [compareArray.js]
+---*/
+
+assert.compareArray(
+    '2xyy', 'xxyy'.replace(/(?:(?:(?<a>x)|(?<a>y))\k<a>)/, '2$<a>'));
+assert.compareArray(
+    'x2zyyxxy',
+    'xzzyyxxy'.replace(
+        /(?:(?:(?<a>x)|(?<a>y)|(a)|(?<b>b)|(?<a>z))\k<a>)/, '2$<a>'));
+assert.compareArray(
+    '2x(x,)yy', 'xxyy'.replace(/(?:(?:(?<a>x)|(?<a>y))\k<a>)/, '2$<a>($1,$2)'));
+assert.compareArray(
+    'x2z(,,,,z)yyxxy',
+    'xzzyyxxy'.replace(
+        /(?:(?:(?<a>x)|(?<a>y)|(a)|(?<b>b)|(?<a>z))\k<a>)/,
+        '2$<a>($1,$2,$3,$4,$5)'));
+assert.compareArray(
+    '2x2y', 'xxyy'.replace(/(?:(?:(?<a>x)|(?<a>y))\k<a>)/g, '2$<a>'));
+assert.compareArray(
+    'x2z2y2xy',
+    'xzzyyxxy'.replace(
+        /(?:(?:(?<a>x)|(?<a>y)|(a)|(?<b>b)|(?<a>z))\k<a>)/g, '2$<a>'));
+
+reportCompare(0, 0);