1 files changed, 16 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/rest-parameters/expected-argument-count.js b/js/src/tests/test262/language/rest-parameters/expected-argument-count.js
new file mode 100644
index 0000000000..7d793b1080
--- /dev/null
+++ b/js/src/tests/test262/language/rest-parameters/expected-argument-count.js
@@ -0,0 +1,16 @@
+// Copyright (C) 2014 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 14.1.6
+description: >
+    The ExpectedArgumentCount of a FormalParameterList is the number of
+    FormalParameters to the left of either the rest parameter or the first
+    FormalParameter with an Initializer.
+---*/
+function af(...a) {}
+function bf(a, ...b) {}
+
+assert.sameValue(af.length, 0, "The value of `af.length` is `0`");
+assert.sameValue(bf.length, 1, "The value of `bf.length` is `1`");
+
+reportCompare(0, 0);