1 files changed, 15 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/named-groups/duplicate-names-split.js b/js/src/tests/test262/built-ins/RegExp/named-groups/duplicate-names-split.js
new file mode 100644
index 0000000000..ccd9c77993
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/named-groups/duplicate-names-split.js
@@ -0,0 +1,15 @@
+// |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.search behavior with duplicate named capture groups
+esid: prod-GroupSpecifier
+includes: [compareArray.js]
+features: [regexp-duplicate-named-groups]
+---*/
+
+assert.compareArray("xab".split(/(?<x>a)|(?<x>b)/), ["x", "a", undefined, "", undefined, "b", ""]);
+assert.compareArray("xba".split(/(?<x>a)|(?<x>b)/), ["x", undefined, "b", "", "a", undefined, ""]);
+
+reportCompare(0, 0);