1 files changed, 28 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/match-indices/indices-groups-object-undefined.js b/js/src/tests/test262/built-ins/RegExp/match-indices/indices-groups-object-undefined.js
new file mode 100644
index 0000000000..1be5fdb626
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/match-indices/indices-groups-object-undefined.js
@@ -0,0 +1,28 @@
+// Copyright 2019 Ron Buckton. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: The groups object of indices is created unconditionally.
+includes: [propertyHelper.js]
+esid: sec-makeindicesarray
+features: [regexp-named-groups, regexp-match-indices]
+info: |
+  MakeIndicesArray ( S, indices, groupNames, hasGroups )
+    10. If _hasGroups_ is *true*, then
+      a. Let _groups_ be ! ObjectCreate(*null*).
+    11. Else,
+      a. Let _groups_ be *undefined*.
+    12. Perform ! CreateDataProperty(_A_, `"groups"`, _groups_).
+---*/
+
+
+const re = /./d;
+const indices = re.exec("a").indices;
+verifyProperty(indices, 'groups', {
+  writable: true,
+  enumerable: true,
+  configurable: true,
+  value: undefined
+});
+
+reportCompare(0, 0);