1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-coerce-lastindex.js b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-coerce-lastindex.js
new file mode 100644
index 0000000000..1de99223f4
--- /dev/null
+++ b/js/src/tests/test262/built-ins/RegExp/prototype/Symbol.match/builtin-coerce-lastindex.js
@@ -0,0 +1,35 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+
+/*---
+description: Type coercion of `lastIndex` property value
+es6id: 21.2.5.6
+info: |
+    [...]
+    7. If global is false, then
+       a. Return RegExpExec(rx, S).
+
+    21.2.5.2.1 Runtime Semantics: RegExpExec ( R, S )
+
+    [...]
+    7. Return RegExpBuiltinExec(R, S).
+
+    21.2.5.2.2 Runtime Semantics: RegExpBuiltinExec ( R, S )
+
+    [...]
+    8. Else, let lastIndex be ? ToLength(? Get(R, "lastIndex")).
+features: [Symbol.match]
+---*/
+
+var r = /./y;
+var result;
+
+r.lastIndex = '1.9';
+
+result = r[Symbol.match]('abc');
+
+assert.notSameValue(result, null);
+assert.sameValue(result.length, 1);
+assert.sameValue(result[0], 'b');
+
+reportCompare(0, 0);