1 files changed, 61 insertions, 0 deletions
diff --git a/devtools/server/tests/xpcshell/test_threadlifetime-04.js b/devtools/server/tests/xpcshell/test_threadlifetime-04.js
new file mode 100644
index 0000000000..7f3247c9b2
--- /dev/null
+++ b/devtools/server/tests/xpcshell/test_threadlifetime-04.js
@@ -0,0 +1,61 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+/* eslint-disable no-shadow, max-nested-callbacks */
+
+"use strict";
+
+/**
+ * Check that requesting a thread-lifetime actor twice for the same
+ * value returns the same actor.
+ */
+
+var gDebuggee;
+var gClient;
+var gThreadFront;
+
+add_task(
+  threadFrontTest(
+    async ({ threadFront, debuggee, client }) => {
+      gThreadFront = threadFront;
+      gClient = client;
+      gDebuggee = debuggee;
+      test_thread_lifetime();
+    },
+    { waitForFinish: true }
+  )
+);
+
+function test_thread_lifetime() {
+  gThreadFront.once("paused", function(packet) {
+    const pauseGrip = packet.frame.arguments[0];
+
+    gClient.request({ to: pauseGrip.actor, type: "threadGrip" }, function(
+      response
+    ) {
+      // Successful promotion won't return an error.
+      Assert.equal(response.error, undefined);
+
+      const threadGrip1 = response.from;
+
+      gClient.request({ to: pauseGrip.actor, type: "threadGrip" }, function(
+        response
+      ) {
+        Assert.equal(threadGrip1, response.from);
+        gThreadFront.resume().then(function() {
+          threadFrontTestFinished();
+        });
+      });
+    });
+  });
+
+  gDebuggee.eval(
+    "(" +
+      function() {
+        function stopMe(arg1) {
+          debugger;
+        }
+        stopMe({ obj: true });
+      } +
+      ")()"
+  );
+}