1 files changed, 39 insertions, 0 deletions
diff --git a/js/xpconnect/tests/unit/test_resolve_dead_promise.js b/js/xpconnect/tests/unit/test_resolve_dead_promise.js
new file mode 100644
index 0000000000..70615b39c0
--- /dev/null
+++ b/js/xpconnect/tests/unit/test_resolve_dead_promise.js
@@ -0,0 +1,39 @@
+/* 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=1298597 */
+
+function run_test()
+{
+  var sb = Cu.Sandbox("http://www.blah.com");
+  var resolveFun;
+  var p1 = new sb.Promise((res, rej) => {resolveFun = res});
+  var rejectFun;
+  var p2 = new sb.Promise((res, rej) => {rejectFun = rej});
+  Cu.nukeSandbox(sb);
+  Assert.ok(Cu.isDeadWrapper(sb), "sb should be dead");
+  Assert.ok(Cu.isDeadWrapper(p1), "p1 should be dead");
+  Assert.ok(Cu.isDeadWrapper(p2), "p2 should be dead");
+
+  var exception;
+
+  try{
+    resolveFun(1);
+    Assert.ok(false);
+  } catch (e) {
+    exception = e;
+  }
+  Assert.ok(exception.toString().includes("can't access dead object"),
+            "Resolving dead wrapped promise should throw");
+
+  exception = undefined;
+  try{
+    rejectFun(1);
+    Assert.ok(false);
+  } catch (e) {
+    exception = e;
+  }
+  Assert.ok(exception.toString().includes("can't access dead object"),
+            "Rejecting dead wrapped promise should throw");
+}