diff -r 000000000000 -r 6474c204b198 ipc/ipdl/test/cxx/PTestDesc.ipdl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/ipdl/test/cxx/PTestDesc.ipdl	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,31 @@
+include protocol PTestDescSub;
+include protocol PTestDescSubsub;
+
+namespace mozilla {
+namespace _ipdltest {
+
+intr protocol PTestDesc {
+    manages PTestDescSub; 
+child:
+    intr PTestDescSub(nullable PTestDescSubsub dummy);
+
+    Test(PTestDescSubsub a);
+
+    __delete__();
+
+parent:
+    Ok(PTestDescSubsub a);
+
+
+state CONSTRUCT:
+    call PTestDescSub goto TEST;
+state TEST:
+    send Test goto ACK;
+state ACK:
+    recv Ok goto DEAD;
+state DEAD:
+    send __delete__;
+};
+
+}
+}