1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/exec/y-set-lastindex.js b/js/src/tests/test262/built-ins/RegExp/prototype/exec/y-set-lastindex.js
new file mode 100644
index 0000000000..ff58a9aa61
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/prototype/exec/y-set-lastindex.js
@@ -0,0 +1,27 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Sets the `lastIndex` property to the end index of the first match
+es6id: 21.2.5.2
+info: |
+    21.2.5.2 RegExp.prototype.exec ( string )
+
+    [...]
+    6. Return RegExpBuiltinExec(R, S).
+
+    21.2.5.2.2 Runtime Semantics: RegExpBuiltinExec ( R, S )
+
+    [...]
+    8. Let sticky be ToBoolean(Get(R, "sticky")).
+    [...]
+    18. If global is true or sticky is true,
+        a. Let setStatus be Set(R, "lastIndex", e, true).
+---*/
+
+var r = /abc/y;
+r.exec('abc');
+
+assert.sameValue(r.lastIndex, 3);
+
+reportCompare(0, 0);