1 files changed, 31 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_rewrap_dead_wrapper.js b/js/xpconnect/tests/unit/test_rewrap_dead_wrapper.js
new file mode 100644
index 0000000000..10934f550b
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_rewrap_dead_wrapper.js
@@ -0,0 +1,31 @@
+/* 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/. */
+
+/* See https://bugzilla.mozilla.org/show_bug.cgi?id=1354733 */
+
+const global = this;
+
+function run_test()
+{
+  var sb = Cu.Sandbox(global);
+  let obj = new sb.Object();
+  Cu.nukeSandbox(sb);
+
+  ok(Cu.isDeadWrapper(obj), "object should be a dead wrapper");
+
+  // Create a new sandbox to wrap objects for.
+
+  var sb = Cu.Sandbox(global);
+  Cu.evalInSandbox(function echo(val) { return val; },
+                   sb);
+
+  let echoed = sb.echo(obj);
+  ok(Cu.isDeadWrapper(echoed), "Rewrapped object should be a dead wrapper");
+  ok(echoed !== obj, "Rewrapped object should be a new dead wrapper");
+
+  ok(obj === obj, "Dead wrapper object should be equal to itself");
+
+  let liveObj = {};
+  ok(liveObj === sb.echo(liveObj), "Rewrapped live object should be equal to itself");
+}