1 files changed, 48 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.split/str-coerce-lastindex.js b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.split/str-coerce-lastindex.js
new file mode 100644
index 0000000000..a8a910fa95
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.split/str-coerce-lastindex.js
@@ -0,0 +1,48 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+es6id: 21.2.5.11
+description: Length coercion of `lastIndex` property of splitter after a match
+info: |
+    [...]
+    24. Repeat, while q < size
+        a. Let setStatus be Set(splitter, "lastIndex", q, true).
+        [...]
+        c. Let z be RegExpExec(splitter, S).
+        [...]
+        f. Else z is not null,
+           i. Let e be ToLength(Get(splitter, "lastIndex")).
+           [...]
+features: [Symbol.split, Symbol.species]
+---*/
+
+var result;
+var obj = {
+  constructor: function() {}
+};
+var fakeRe = {
+  set lastIndex(_) {},
+  get lastIndex() {
+    return {
+      valueOf: function() {
+        return 2.9;
+      }
+    };
+  },
+  exec: function() {
+    return [];
+  }
+};
+obj.constructor[Symbol.species] = function() {
+  return fakeRe;
+};
+
+result = RegExp.prototype[Symbol.split].call(obj, 'abcd');
+
+assert(Array.isArray(result));
+assert.sameValue(result.length, 2);
+assert.sameValue(result[0], '');
+assert.sameValue(result[1], 'cd');
+
+reportCompare(0, 0);