1 files changed, 51 insertions, 0 deletions
diff --git a/js/src/tests/js1_8/extensions/regress-394709.js b/js/src/tests/js1_8/extensions/regress-394709.js
new file mode 100644
index 000000000..d04d8832f
--- /dev/null
+++ b/js/src/tests/js1_8/extensions/regress-394709.js
@@ -0,0 +1,51 @@
+// |reftest| skip-if(!xulRuntime.shell)
+/* -*- 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 = 394709;
+var summary = 'Do not leak with object.watch and closure';
+var actual = 'No Leak';
+var expect = 'No Leak';
+
+//-----------------------------------------------------------------------------
+test();
+//-----------------------------------------------------------------------------
+
+function test()
+{
+  enterFunc ('test');
+  printBugNumber(BUGNUMBER);
+  printStatus (summary);
+
+  assertEq(finalizeCount(), 0, "invalid initial state");
+
+  runtest();
+  gc();
+  assertEq(finalizeCount(), 1, "leaked");
+
+  runtest();
+  gc();
+  assertEq(finalizeCount(), 2, "leaked");
+
+  runtest();
+  gc();
+  assertEq(finalizeCount(), 3, "leaked");
+
+
+  function runtest () {
+    var obj = { b: makeFinalizeObserver() };
+    obj.watch('b', watcher);
+
+    function watcher(id, old, value) {
+      ++obj.n;
+      return value;
+    }
+  }
+
+  reportCompare(expect, actual, summary);
+
+  exitFunc ('test');
+}