1 files changed, 35 insertions, 0 deletions
diff --git a/js/src/tests/test262/language/statements/for-of/array-contract-expand.js b/js/src/tests/test262/language/statements/for-of/array-contract-expand.js
new file mode 100644
index 0000000000..1a4c55e5a5
--- /dev/null
+++ b/js/src/tests/test262/language/statements/for-of/array-contract-expand.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: >
+    Array entry removal and re-insertion during traversal using for..of
+info: |
+    Entries removed from an Array instance during traversal should be visited
+    if they are re-inserted prior to iterator exhaustion.
+es6id: 13.6.4
+---*/
+
+var array = [0, 1];
+var iterationCount = 0;
+
+var first = 0;
+var second = 1;
+
+for (var x of array) {
+  assert.sameValue(x, first);
+
+  first = second;
+  second = null;
+
+  if (first !== null) {
+    array.pop();
+    array.push(1);
+  }
+
+  iterationCount += 1;
+}
+
+assert.sameValue(iterationCount, 2);
+
+reportCompare(0, 0);