1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/literals/regexp/lastIndex.js b/js/src/tests/test262/language/literals/regexp/lastIndex.js
new file mode 100644
index 0000000000..2e9d03590a
--- /dev/null
+++ b/js/src/tests/test262/language/literals/regexp/lastIndex.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2016 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-regular-expression-literals-runtime-semantics-evaluation
+description: Initial state of the `lastIndex` property
+info: |
+  [...]
+  3. Return RegExpCreate(pattern, flags).
+
+  21.2.3.2.3 Runtime Semantics: RegExpCreate
+
+  1. Let obj be ? RegExpAlloc(%RegExp%).
+  2. Return ? RegExpInitialize(obj, P, F).
+
+  21.2.3.2.2 Runtime Semantics: RegExpInitialize
+
+  [...]
+  12. Perform ? Set(obj, "lastIndex", 0, true).
+  [...]
+
+  21.2.3.2.1 Runtime Semantics: RegExpAlloc
+
+  [...]
+  2. Perform ! DefinePropertyOrThrow(obj, "lastIndex", PropertyDescriptor
+     {[[Writable]]: true, [[Enumerable]]: false, [[Configurable]]: false}).
+  [...]
+includes: [propertyHelper.js]
+---*/
+
+var re = /./;
+
+assert.sameValue(re.lastIndex, 0);
+
+verifyNotEnumerable(re, 'lastIndex');
+verifyWritable(re, 'lastIndex');
+verifyNotConfigurable(re, 'lastIndex');
+
+reportCompare(0, 0);