1 files changed, 18 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/named-groups/duplicate-names-replaceall.js b/js/src/tests/test262/built-ins/RegExp/named-groups/duplicate-names-replaceall.js
new file mode 100644
index 0000000000..1cd45805a8
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/named-groups/duplicate-names-replaceall.js
@@ -0,0 +1,18 @@
+// |reftest| skip -- regexp-duplicate-named-groups is not supported
+// Copyright 2022 Igalia S.L. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: String.prototype.replaceAll behavior with duplicate named capture groups
+esid: prod-GroupSpecifier
+features: [regexp-duplicate-named-groups]
+---*/
+
+assert.sameValue("abxab".replaceAll(/(?<x>a)|(?<x>b)/g, "[$<x>]"), "[a][b]x[a][b]");
+assert.sameValue("baxba".replaceAll(/(?<x>a)|(?<x>b)/g, "[$<x>]"), "[b][a]x[b][a]");
+
+assert.sameValue("abxab".replaceAll(/(?<x>a)|(?<x>b)/g, "[$<x>][$1][$2]"), "[a][a][][b][][b]x[a][a][][b][][b]");
+assert.sameValue("baxba".replaceAll(/(?<x>a)|(?<x>b)/g, "[$<x>][$1][$2]"), "[b][][b][a][a][]x[b][][b][a][a][]");
+
+
+reportCompare(0, 0);