1 files changed, 24 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/Set/prototype/forEach/this-arg-explicit.js b/js/src/tests/test262/built-ins/Set/prototype/forEach/this-arg-explicit.js
new file mode 100644
index 0000000000..dcae47e946
--- /dev/null
+++ b/js/src/tests/test262/built-ins/Set/prototype/forEach/this-arg-explicit.js
@@ -0,0 +1,24 @@
+// Copyright (C) 2015 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+esid: sec-set.prototype.forEach
+description: >
+    Set.prototype.forEach ( callbackfn [ , thisArg ] )
+
+    ...
+    5. If thisArg was supplied, let T be thisArg; else let T be undefined.
+    ...
+---*/
+
+var s = new Set([1]);
+var thisArg = {};
+var counter = 0;
+
+s.forEach(function() {
+  assert.sameValue(this, thisArg, "`this` is `thisArg`");
+  counter++;
+}, thisArg);
+
+assert.sameValue(counter, 1, "`forEach` is not a no-op");
+
+reportCompare(0, 0);