diff -r 000000000000 -r 6474c204b198 toolkit/devtools/server/tests/unit/test_threadlifetime-03.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/devtools/server/tests/unit/test_threadlifetime-03.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,81 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Check that thread-lifetime grips last past a resume.
+ */
+
+var gDebuggee;
+var gClient;
+var gThreadClient;
+
+function run_test()
+{
+  initTestDebuggerServer();
+  gDebuggee = addTestGlobal("test-grips");
+  gClient = new DebuggerClient(DebuggerServer.connectPipe());
+  gClient.connect(function() {
+    attachTestTabAndResume(gClient, "test-grips", function(aResponse, aTabClient, aThreadClient) {
+      gThreadClient = aThreadClient;
+      test_thread_lifetime();
+    });
+  });
+  do_test_pending();
+}
+
+function test_thread_lifetime()
+{
+  // Get three thread-lifetime grips.
+  gThreadClient.addOneTimeListener("paused", function(aEvent, aPacket) {
+    let grips = [];
+
+    let handler = function(aResponse) {
+      if (aResponse.error) {
+        do_check_eq(aResponse.error, '');
+        finishClient(gClient);
+      }
+      grips.push(aResponse.from);
+      if (grips.length == 3) {
+        test_release_many(grips);
+      }
+    };
+    for (let i = 0; i < 3; i++) {
+      gClient.request({ to: aPacket.frame.arguments[i].actor, type: "threadGrip" },
+                      handler);
+    }
+  });
+
+  gDebuggee.eval("(" + function() {
+    function stopMe(arg1, arg2, arg3) {
+      debugger;
+    };
+    stopMe({obj: 1}, {obj: 2}, {obj: 3});
+  } + ")()");
+}
+
+function test_release_many(grips)
+{
+  // Release the first two grips, leave the third alive.
+
+  let release = [grips[0], grips[1]];
+
+  gThreadClient.releaseMany(release, function(aResponse) {
+    // First two actors should return a noSuchActor error, because
+    // they're gone now.
+    gClient.request({ to: grips[0], type: "bogusRequest" }, function(aResponse) {
+      do_check_eq(aResponse.error, "noSuchActor");
+      gClient.request({ to: grips[1], type: "bogusRequest" }, function(aResponse) {
+        do_check_eq(aResponse.error, "noSuchActor");
+
+        // Last actor should return unrecognizedPacketType, because it's still
+        // alive.
+        gClient.request({ to: grips[2], type: "bogusRequest" }, function(aResponse) {
+          do_check_eq(aResponse.error, "unrecognizedPacketType");
+          gThreadClient.resume(function() {
+            finishClient(gClient);
+          });
+        });
+      });
+    });
+  });
+}