1 files changed, 38 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/iterator-as-proxy.js b/js/src/tests/test262/language/statements/for-of/iterator-as-proxy.js
new file mode 100644
index 0000000000..89bab3e8ab
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for-of/iterator-as-proxy.js
@@ -0,0 +1,38 @@
+// Copyright (C) 2013 the V8 project authors. All rights reserved.
+// This code is governed by the BSD license found in the LICENSE file.
+/*---
+es6id: 13.6.4.13
+description: >
+    Iterators that are implemented as proxies should behave identically to
+    non-proxy versions.
+features: [Proxy, Symbol.iterator]
+---*/
+
+var iterable = {};
+var nextResult = { value: 23, done: false };
+var lastResult = { value: null, done: true };
+var i;
+
+var iterator = {
+  next: function() {
+    var result = nextResult;
+    nextResult = lastResult;
+    return result;
+  }
+};
+var proxiedIterator = new Proxy(iterator, {
+  get: function(target, name) {
+    return target[name];
+  }
+});
+iterable[Symbol.iterator] = function() { return proxiedIterator; };
+
+i = 0;
+for (var x of iterable) {
+  assert.sameValue(x, 23);
+  i++;
+}
+
+assert.sameValue(i, 1);
+
+reportCompare(0, 0);