1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/named-groups/functional-replace-non-global.js b/js/src/tests/test262/built-ins/RegExp/named-groups/functional-replace-non-global.js
new file mode 100644
index 0000000000..c2631d892d
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/named-groups/functional-replace-non-global.js
@@ -0,0 +1,45 @@
+// Copyright 2017 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+  Function argument to String.prototype.replace gets groups as the last argument
+esid: sec-regexp.prototype-@@replace
+features: [regexp-named-groups]
+info: |
+  RegExp.prototype [ @@replace ] ( string, replaceValue )
+    14. Repeat, for each result in results,
+      j. Let namedCaptures be ? Get(result, "groups").
+      k. If functionalReplace is true, then
+        iv. If namedCaptures is not undefined,
+          1. Append namedCaptures as the last element of replacerArgs.
+---*/
+
+let source = "(?<fst>.)(?<snd>.)";
+let alternateSource = "(?<fst>.)|(?<snd>.)";
+
+for (let flags of ["", "u"]) {
+  let i = 0;
+  let re = new RegExp(source, flags);
+  let result = "abcd".replace(re,
+      (match, fst, snd, offset, str, groups) => {
+    assert.sameValue(i++, 0);
+    assert.sameValue("ab", match);
+    assert.sameValue("a", groups.fst);
+    assert.sameValue("b", groups.snd);
+    assert.sameValue("a", fst);
+    assert.sameValue("b", snd);
+    assert.sameValue(0, offset);
+    assert.sameValue("abcd", str);
+    return `${groups.snd}${groups.fst}`;
+  });
+  assert.sameValue("bacd", result);
+  assert.sameValue(i, 1);
+
+  let re2 = new RegExp(alternateSource, flags);
+  assert.sameValue("undefinedbcd",
+      "abcd".replace(re2,
+            (match, fst, snd, offset, str, groups) => groups.snd));
+}
+
+reportCompare(0, 0);