diff -r 000000000000 -r 6474c204b198 toolkit/devtools/server/tests/unit/test_eval-01.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/devtools/server/tests/unit/test_eval-01.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,58 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Check basic eval resume/re-pause
+ */
+
+var gDebuggee;
+var gClient;
+var gThreadClient;
+
+function run_test()
+{
+  initTestDebuggerServer();
+  gDebuggee = addTestGlobal("test-stack");
+  gClient = new DebuggerClient(DebuggerServer.connectPipe());
+  gClient.connect(function() {
+    attachTestTabAndResume(gClient, "test-stack", function(aResponse, aTabClient, aThreadClient) {
+      gThreadClient = aThreadClient;
+      test_simple_eval();
+    });
+  });
+  do_test_pending();
+}
+
+function test_simple_eval()
+{
+  gThreadClient.addOneTimeListener("paused", function(aEvent, aPacket) {
+    let arg1Actor = aPacket.frame.arguments[0].actor;
+    gThreadClient.eval(null, "({ obj: true })", function(aResponse) {
+      do_check_eq(aResponse.type, "resumed");
+      // Expect a pause notification immediately.
+      gThreadClient.addOneTimeListener("paused", function(aEvent, aPacket) {
+        // Check the return value...
+        do_check_eq(aPacket.type, "paused");
+        do_check_eq(aPacket.why.type, "clientEvaluated");
+        do_check_eq(aPacket.why.frameFinished.return.type, "object");
+        do_check_eq(aPacket.why.frameFinished.return.class, "Object");
+
+        // Make sure the previous pause lifetime was correctly dropped.
+        gClient.request({ to: arg1Actor, type: "bogusRequest" }, function(aResponse) {
+          do_check_eq(aResponse.error, "noSuchActor");
+          gThreadClient.resume(function() {
+            finishClient(gClient);
+          });
+        });
+
+      });
+
+    });
+
+  });
+
+  gDebuggee.eval("(" + function() {
+    function stopMe(arg1) { debugger; };
+    stopMe({obj: true});
+  } + ")()");
+}