1 files changed, 22 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/match-indices/indices-groups-object-unmatched.js b/js/src/tests/test262/built-ins/RegExp/match-indices/indices-groups-object-unmatched.js
new file mode 100644
index 0000000000..00c0f24297
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/match-indices/indices-groups-object-unmatched.js
@@ -0,0 +1,22 @@
+// Copyright 2019 Ron Buckton. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Test the groups object of indices with matched and unmatched named captures.
+includes: [compareArray.js]
+esid: sec-makeindicesarray
+features: [regexp-named-groups, regexp-match-indices]
+info: |
+  MakeIndicesArray ( S, indices, groupNames, hasGroups )
+    11. For each integer _i_ such that _i_ >= 0 and _i_ < _n_, do
+      e. If _i_ > 0 and _groupNames_[_i_ - 1] is not *undefined*, then
+        i. Perform ! CreateDataProperty(_groups_, _groupNames_[_i_ - 1], _matchIndicesArray_).
+---*/
+
+
+const re = /(?<a>a).|(?<x>x)/d;
+const result = re.exec("ab").indices;
+assert.compareArray([0, 1], result.groups.a);
+assert.sameValue(undefined, result.groups.x);
+
+reportCompare(0, 0);