diff -r 000000000000 -r 6474c204b198 ipc/ipdl/test/cxx/TestJSON.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ipc/ipdl/test/cxx/TestJSON.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,108 @@
+#ifndef mozilla__ipdltest_TestJSON_h
+#define mozilla__ipdltest_TestJSON_h 1
+
+#include "mozilla/_ipdltest/IPDLUnitTests.h"
+
+#include "mozilla/_ipdltest/PTestJSONParent.h"
+#include "mozilla/_ipdltest/PTestJSONChild.h"
+
+#include "mozilla/_ipdltest/PTestHandleParent.h"
+#include "mozilla/_ipdltest/PTestHandleChild.h"
+
+namespace mozilla {
+namespace _ipdltest {
+
+class TestHandleParent :
+    public PTestHandleParent
+{
+public:
+    TestHandleParent() { }
+    virtual ~TestHandleParent() { }
+};
+
+class TestJSONParent :
+    public PTestJSONParent
+{
+public:
+    TestJSONParent() { }
+    virtual ~TestJSONParent() { }
+
+    static bool RunTestInProcesses() { return true; }
+    static bool RunTestInThreads() { return true; }
+
+    void Main();
+
+protected:
+    virtual bool
+    RecvTest(const JSONVariant& i,
+             JSONVariant* o) MOZ_OVERRIDE;
+
+    virtual PTestHandleParent* AllocPTestHandleParent() MOZ_OVERRIDE
+    {
+        return mKid = new TestHandleParent();
+    }
+
+    virtual bool DeallocPTestHandleParent(PTestHandleParent* actor) MOZ_OVERRIDE
+    {
+        delete actor;
+        return true;
+    }
+
+    virtual void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE
+    {
+        if (NormalShutdown != why)
+            fail("unexpected destruction!");  
+        passed("ok");
+        QuitParent();
+    }
+
+    PTestHandleParent* mKid;
+};
+
+
+class TestHandleChild :
+    public PTestHandleChild
+{
+public:
+    TestHandleChild() { }
+    virtual ~TestHandleChild() { }
+};
+
+class TestJSONChild :
+    public PTestJSONChild
+{
+public:
+    TestJSONChild() { }
+    virtual ~TestJSONChild() { }
+
+protected:
+    virtual bool
+    RecvStart() MOZ_OVERRIDE;
+
+    virtual PTestHandleChild* AllocPTestHandleChild() MOZ_OVERRIDE
+    {
+        return mKid = new TestHandleChild();
+    }
+
+    virtual bool DeallocPTestHandleChild(PTestHandleChild* actor) MOZ_OVERRIDE
+    {
+        delete actor;
+        return true;
+    }
+
+    virtual void ActorDestroy(ActorDestroyReason why) MOZ_OVERRIDE
+    {
+        if (NormalShutdown != why)
+            fail("unexpected destruction!");
+        QuitChild();
+    }
+
+    PTestHandleChild* mKid;
+};
+
+
+} // namespace _ipdltest
+} // namespace mozilla
+
+
+#endif // ifndef mozilla__ipdltest_TestJSON_h