1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.split/u-lastindex-adv-thru-match.js b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.split/u-lastindex-adv-thru-match.js
new file mode 100644
index 0000000000..5bb444eaaf
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.split/u-lastindex-adv-thru-match.js
@@ -0,0 +1,36 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: >
+    lastIndex is advanced according to width of astral symbols following match success
+es6id: 21.2.5.11
+info: |
+    21.2.5.11 RegExp.prototype [ @@split ] ( string, limit )
+
+    [...]
+    7. Let flags be ToString(Get(rx, "flags")).
+    8. ReturnIfAbrupt(flags).
+    9. If flags contains "u", let unicodeMatching be true.
+    10. Else, let unicodeMatching be false.
+    [...]
+    24. Repeat, while q < size
+        a. Let setStatus be Set(splitter, "lastIndex", q, true).
+        b. ReturnIfAbrupt(setStatus).
+        c. Let z be RegExpExec(splitter, S).
+        d. ReturnIfAbrupt(z).
+        e. If z is null, let q be AdvanceStringIndex(S, q, unicodeMatching).
+        f. Else z is not null,
+           i. Let e be ToLength(Get(splitter, "lastIndex")).
+           ii. ReturnIfAbrupt(e).
+           iii. If e = p, let q be AdvanceStringIndex(S, q, unicodeMatching).
+features: [Symbol.split]
+---*/
+
+var result = /./u[Symbol.split]('\ud834\udf06');
+
+assert.sameValue(result.length, 2);
+assert.sameValue(result[0], '');
+assert.sameValue(result[1], '');
+
+reportCompare(0, 0);