diff -r 000000000000 -r 6474c204b198 toolkit/devtools/server/tests/unit/test_framebindings-04.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/devtools/server/tests/unit/test_framebindings-04.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,84 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Check the environment bindongs of a  |with| within a |with|.
+ */
+
+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();
+}
+
+function test_pause_frame()
+{
+  gThreadClient.addOneTimeListener("paused", function(aEvent, aPacket) {
+    let env = aPacket.frame.environment;
+    do_check_neq(env, undefined);
+
+    let objClient = gThreadClient.pauseGrip(env.object);
+    objClient.getPrototypeAndProperties(function(aResponse) {
+      do_check_eq(aResponse.ownProperties.one.value, 1);
+      do_check_eq(aResponse.ownProperties.two.value, 2);
+      do_check_eq(aResponse.ownProperties.foo, undefined);
+
+      let parentEnv = env.parent;
+      do_check_neq(parentEnv, undefined);
+
+      let parentClient = gThreadClient.pauseGrip(parentEnv.object);
+      parentClient.getPrototypeAndProperties(function(aResponse) {
+        do_check_eq(aResponse.ownProperties.PI.value, Math.PI);
+        do_check_eq(aResponse.ownProperties.cos.value.type, "object");
+        do_check_eq(aResponse.ownProperties.cos.value.class, "Function");
+        do_check_true(!!aResponse.ownProperties.cos.value.actor);
+
+        parentEnv = parentEnv.parent;
+        do_check_neq(parentEnv, undefined);
+
+        let bindings = parentEnv.bindings;
+        let args = bindings.arguments;
+        let vars = bindings.variables;
+        do_check_eq(args.length, 1);
+        do_check_eq(args[0].aNumber.value, 10);
+        do_check_eq(vars.r.value, 10);
+        do_check_eq(vars.a.value, Math.PI * 100);
+        do_check_eq(vars.arguments.value.class, "Arguments");
+        do_check_true(!!vars.arguments.value.actor);
+        do_check_eq(vars.foo.value, 2 * Math.PI);
+
+        gThreadClient.resume(function() {
+          finishClient(gClient);
+        });
+      });
+    });
+
+  });
+
+  gDebuggee.eval("(" + function() {
+    function stopMe(aNumber) {
+      var a, obj = { one: 1, two: 2 };
+      var r = aNumber;
+      with (Math) {
+        a = PI * r * r;
+        with (obj) {
+          var foo = two * PI;
+          debugger;
+        }
+      }
+    };
+    stopMe(10);
+  } + ")()");
+}