1 files changed, 44 insertions, 0 deletions
diff --git a/js/src/tests/non262/generators/nested-yield.js b/js/src/tests/non262/generators/nested-yield.js
new file mode 100644
index 0000000000..24729f5f37
--- /dev/null
+++ b/js/src/tests/non262/generators/nested-yield.js
@@ -0,0 +1,44 @@
+/* -*- 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 summary = "YieldExpression is and contains an AssignmentExpression";
+var actual, expect;
+
+printStatus(summary);
+
+/**************
+ * BEGIN TEST *
+ **************/
+
+var failed = false;
+
+function* gen()
+{
+  yield (yield (yield 7));
+}
+
+var it = gen();
+
+try
+{
+  if (it.next().value != 7)
+    throw "7 not yielded";
+  if (it.next(17).value != 17)
+    throw "passed-in 17 not yielded";
+  if (it.next(undefined).value !== undefined)
+    throw "should be able to yield undefined";
+
+  it.next();
+}
+catch (e)
+{
+  failed = e;
+}
+
+expect = false;
+actual = failed;
+
+reportCompare(expect, actual, summary);