Leaving a generator via an exception causes it to close

test/mjsunit/es6/generators-iteration.js

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 23 matching lines @@
 function assertIteratorResult(value, done, result) {
   assertEquals({ value: value, done: done}, result);
 }
 
 function assertIteratorIsClosed(iter) {
   assertIteratorResult(undefined, true, iter.next());
   assertDoesNotThrow(function() { iter.next(); });
 }
 
 function assertThrownIteratorIsClosed(iter) {
-  // TODO(yusukesuzuki): Since status of a thrown generator is "executing",
-  // following tests are failed.
-  // https://code.google.com/p/v8/issues/detail?id=3096
-  // assertIteratorIsClosed(iter);
+  assertIteratorIsClosed(iter);
 }
 
 function TestGeneratorResultPrototype() {
   function* g() { yield 1; }
   var iter = g();
   var result = iter.next();
 
   assertSame(Object.prototype, Object.getPrototypeOf(result));
   property_names = Object.getOwnPropertyNames(result);
   property_names.sort();
@@ skipping 631 matching lines @@
   function TestThrowRecursion() {
     function* g() { yield iter.throw(1); }
     var iter = g();
     return iter.next();
   }
   assertThrows(TestNextRecursion, Error);
   assertThrows(TestSendRecursion, Error);
   assertThrows(TestThrowRecursion, Error);
 }
 TestRecursion();