1 files changed, 45 insertions, 0 deletions
diff --git a/js/src/tests/js1_7/extensions/regress-346021.js b/js/src/tests/js1_7/extensions/regress-346021.js
new file mode 100644
index 000000000..e8849aae3
--- /dev/null
+++ b/js/src/tests/js1_7/extensions/regress-346021.js
@@ -0,0 +1,45 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+//-----------------------------------------------------------------------------
+var BUGNUMBER = 346021;
+var summary = 'Implementing __iterator__ as generator';
+var actual = '';
+var expect = '';
+
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+ 
+  var o = { __iterator__: function () { print(12); yield 42; } };
+
+  expect = 42;
+  actual = 0;
+ 
+  for (let i in Iterator(o))
+  {
+    actual = i;
+  }
+
+  reportCompare(expect, actual, summary);
+
+  actual = 0;
+
+  for (let i in o)
+  {
+    actual = i; // this doesn't iterate 42
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}