diff -r 000000000000 -r 6474c204b198 toolkit/devtools/server/tests/unit/test_frameactor-04.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/devtools/server/tests/unit/test_frameactor-04.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,91 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Verify the "frames" request on the thread.
+ */
+
+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_pause_frame();
+    });
+  });
+  do_test_pending();
+}
+
+var gFrames = [
+  // Function calls...
+  { type: "call", callee: { name: "depth3" } },
+  { type: "call", callee: { name: "depth2" } },
+  { type: "call", callee: { name: "depth1" } },
+
+  // Anonymous function call in our eval...
+  { type: "call", callee: { name: undefined } },
+
+  // The eval itself.
+  { type: "eval", callee: { name: undefined } },
+];
+
+var gSliceTests = [
+  { start: 0, count: undefined, resetActors: true },
+  { start: 0, count: 1 },
+  { start: 2, count: 2 },
+  { start: 1, count: 15 },
+  { start: 15, count: undefined },
+];
+
+function test_frame_slice() {
+  if (gSliceTests.length == 0) {
+    gThreadClient.resume(function() { finishClient(gClient); });
+    return;
+  }
+
+  let test = gSliceTests.shift();
+  gThreadClient.getFrames(test.start, test.count, function(aResponse) {
+    var testFrames = gFrames.slice(test.start, test.count ? test.start + test.count : undefined);
+    do_check_eq(testFrames.length, aResponse.frames.length);
+    for (var i = 0; i < testFrames.length; i++) {
+      let expected = testFrames[i];
+      let actual = aResponse.frames[i];
+
+      if (test.resetActors) {
+        expected.actor = actual.actor;
+      }
+
+      for each (let key in ["type", "callee-name"]) {
+        do_check_eq(expected[key], actual[key]);
+      }
+    }
+    test_frame_slice();
+  });
+}
+
+function test_pause_frame()
+{
+  gThreadClient.addOneTimeListener("paused", function(aEvent, aPacket1) {
+    test_frame_slice();
+  });
+
+  gDebuggee.eval("(" + function() {
+    function depth3() {
+      debugger;
+    }
+    function depth2() {
+      depth3();
+    }
+    function depth1() {
+      depth2();
+    };
+    depth1();
+  } + ")()");
+}