1 files changed, 36 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.search/set-lastindex-restore.js b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.search/set-lastindex-restore.js
new file mode 100644
index 0000000000..393d02a14e
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.search/set-lastindex-restore.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.
+
+/*---
+es6id: 21.2.5.9
+description: The `lastIndex` value is restored following match execution
+info: |
+    [...]
+    8. If SameValue(currentLastIndex, previousLastIndex) is false, then
+       a. Perform ? Set(rx, "lastIndex", previousLastIndex, true).
+    [...]
+features: [Symbol.search]
+---*/
+
+var latestValue = 86;
+var callCount = 0;
+var fakeRe = {
+  get lastIndex() {
+    return latestValue;
+  },
+  set lastIndex(_) {
+    latestValue = _;
+  },
+  exec: function() {
+    callCount++;
+    latestValue = null;
+    return null;
+  }
+};
+
+RegExp.prototype[Symbol.search].call(fakeRe);
+
+assert.sameValue(callCount, 1);
+assert.sameValue(latestValue, 86);
+
+reportCompare(0, 0);