1 files changed, 31 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/named-groups/string-replace-get.js b/js/src/tests/test262/built-ins/RegExp/named-groups/string-replace-get.js
new file mode 100644
index 0000000000..a765c9d30a
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/named-groups/string-replace-get.js
@@ -0,0 +1,31 @@
+// Copyright 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Named substitutions are found by getting the property from the groups object
+esid: sec-getsubstitution
+features: [regexp-named-groups]
+info: |
+  Runtime Semantics: GetSubstitution( matched, str, position, captures, namedCaptures, replacement )
+
+  Table: Replacement Text Symbol Substitutions
+
+  Unicode Characters: $<
+  Replacement text:
+    2. Otherwise,
+      c. Let capture be ? Get(namedCaptures, groupName).
+      d. If capture is undefined, replace the text through > with the empty string.
+      e. Otherwise, replace the text through this following > with ? ToString(capture).
+---*/
+
+let source = "(?<fst>.)(?<snd>.)|(?<thd>x)";
+for (let flags of ["g", "gu"]) {
+  let re = new RegExp(source, flags);
+  assert.sameValue("badc", "abcd".replace(re, "$<snd>$<fst>"));
+}
+for (let flags of ["", "u"]) {
+  let re = new RegExp(source, flags);
+  assert.sameValue("bacd", "abcd".replace(re, "$<snd>$<fst>"));
+}
+
+reportCompare(0, 0);