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diff --git a/modules/CIAO/tests/IDL3/ImpliedIDL/All/README b/modules/CIAO/tests/IDL3/ImpliedIDL/All/README
new file mode 100644
index 00000000000..fe43b62b221
--- /dev/null
+++ b/modules/CIAO/tests/IDL3/ImpliedIDL/All/README
@@ -0,0 +1,69 @@
+                            Converting IDL3 to IDL2
+                            =======================
+                            
+Introduction
+============
+
+This directory contains a test for the executable
+tao_idl3_to_idl2, which inputs a single IDL file and
+outputs a single IDL file which has the IDL3 declarations
+from the input file converted to the corresponding 'implied
+IDL' declarations specificed by the mapping in the CCM
+document.
+
+This utility can be used in conjunction with some IDL compiler
+that does not support IDL3 keywords and syntax. The output of
+the utility can be processed by such a compiler, yielding code
+in the target programming language equivalent to that which
+would have been generated in one step by a CCM-aware IDL compiler.
+
+The tao_idl3_to_idl2 executable itself is built in
+CIAO_ROOT/tools/IDL3_to_IDL2. It uses the TAO IDL compiler
+front end parsing engine and the TAO IDL compiler driver
+files, so it depends on ACE. The IDL generation is 
+accomplished by a custom backend library.
+
+Running The Test
+================
+
+This test is only to determine that the generated IDL files
+are valid. So once the converted IDL file (having the
+extension _IDL2.idl) is generated by tao_idl3_to_idl2, the
+TAO IDL compiler is executed on the generated IDL file and
+the resulting C++ files compiled. If the compilation is
+successful for all such files, the test is a success.
+
+Notable Build Features
+======================
+
+Two features of the MPC file for this test are of interest:
+
+1.
+Two of the three IDL files in the test, pass_through.idl and
+include.idl, contain no IDL3 constructs, but merely test the
+executable's regeneration of IDL2 constructs. Since one IDL
+file is included in the other, there is a dependency that
+requires both IDL files to be processed before running the
+IDL compiler on pass_through_IDL2.idl. The line
+
+    pass_through_IDL2.idl << include_IDL2.idl
+
+indicates this dependency to the MPC tool, ensuring the correct
+order of execution.
+
+2.
+The -Sm option passed to the IDL compiler must be used when
+processing an IDL file resulting from the execution of
+tao_idl3_to_idl2. This option disables the action of the 
+tao_idl backend 'preprocessor' (which is 'on' by default)
+that adds implied IDL nodes to the Abstract Syntax Tree
+for subsequent C++ code generation. In the case of an eventtype,
+the CCM spec requires additional code generation for a corresponding
+implied 'event consumer' IDL interface, as well as for the
+eventtype itself. The tao_idl3_to_idl2 executable adds this
+interface explicitly to the generated IDL file, along with the
+original eventtype. Without the -Sm option, the event consumer
+interface would appear redundantly in both explicit and implied
+IDL, resulting in a name clash. Since the IDL compiler cannot
+know the origin of the IDL file it is processing, the -Sm
+option encapsulates that knowledge.
+\ No newline at end of file
diff --git a/modules/CIAO/tests/IDL3/ImpliedIDL/All/all.mpc b/modules/CIAO/tests/IDL3/ImpliedIDL/All/all.mpc
new file mode 100644
index 00000000000..ca32b465573
--- /dev/null
+++ b/modules/CIAO/tests/IDL3/ImpliedIDL/All/all.mpc
@@ -0,0 +1,28 @@
+// -*- MPC -*-
+// $Id$
+
+project(ConvertIDL3) : taoidl3toidl2defaults, ciao_component_dnc {
+  idlflags += -Sm
+
+  IDL3TOIDL2_Files {
+    convert.idl
+    include.idl
+    pass_through.idl
+  }
+
+  IDL_Files {
+    convert_IDL2.idl
+    include_IDL2.idl
+    pass_through_IDL2.idl << include_IDL2.idl
+  }
+
+  Source_Files {
+    convert_IDL2C.cpp
+    convert_IDL2S.cpp
+    include_IDL2C.cpp
+    include_IDL2S.cpp
+    pass_through_IDL2C.cpp
+    pass_through_IDL2S.cpp
+  }
+}
+
diff --git a/modules/CIAO/tests/IDL3/ImpliedIDL/All/convert.idl b/modules/CIAO/tests/IDL3/ImpliedIDL/All/convert.idl
new file mode 100644
index 00000000000..68600a619b3
--- /dev/null
+++ b/modules/CIAO/tests/IDL3/ImpliedIDL/All/convert.idl
@@ -0,0 +1,53 @@
+// $Id$
+/**
+ * @file convert.idl
+ * @author Jeff Parsons <j.parsons@vanderbilt.edu>
+ *
+ * Tests all conversions of IDL3 constructs to IDL2.
+ */
+
+#include <Components.idl>
+
+eventtype eattype;
+interface sface {};
+interface pface {};
+interface uface {};
+interface umface {};
+
+valuetype pkey : Components::PrimaryKeyBase
+{
+  public string info;
+};
+
+valuetype pubtype_base {};
+eventtype pubtype : pubtype_base {};
+eventtype emitype : pubtype {};
+eventtype eattype {};
+
+component CompBase supports sface
+{
+};
+
+component CompDerived : CompBase
+{
+  provides pface pface_provider;
+  uses uface uface_user;
+  uses multiple umface umface_umuser;
+  publishes pubtype pubtype_publisher;
+  emits emitype emitype_emitter;
+  consumes eattype eattype_consumer;
+};
+
+home CompBaseHome supports sface manages CompBase
+{
+};
+
+home CompDerivedHome : CompBaseHome manages CompDerived primarykey pkey
+{
+  exception ch_except {};
+  void ch_op () raises (ch_except);
+  factory def_init ();
+  finder kitchen_sink (in string uid, in pkey key, in boolean all)
+    raises (ch_except);
+};
+
diff --git a/modules/CIAO/tests/IDL3/ImpliedIDL/All/include.idl b/modules/CIAO/tests/IDL3/ImpliedIDL/All/include.idl
new file mode 100644
index 00000000000..6a08a6c03d6
--- /dev/null
+++ b/modules/CIAO/tests/IDL3/ImpliedIDL/All/include.idl
@@ -0,0 +1,30 @@
+// $Id$
+/**
+ * @file include.idl
+ * @author Jeff Parsons <j.parsons@vanderbilt.edu>
+ *
+ * Tests tool's regeneration of IDL2 constructs, which
+ * should be basically unchanged.
+ */
+
+module pre_mod
+{
+  typedef long longarray[3][14][7];
+
+  exception wrong
+  {
+    sequence<sequence<long> > longseqseq;
+    string reasons[4][2];
+    wstring<3> why;
+  };
+  
+  enum which
+  {
+    ZERO,
+    ONE,
+    TWO
+  };
+};
+
+const pre_mod::which which_one = pre_mod::ONE;
+
diff --git a/modules/CIAO/tests/IDL3/ImpliedIDL/All/pass_through.idl b/modules/CIAO/tests/IDL3/ImpliedIDL/All/pass_through.idl
new file mode 100644
index 00000000000..f5a4a76627c
--- /dev/null
+++ b/modules/CIAO/tests/IDL3/ImpliedIDL/All/pass_through.idl
@@ -0,0 +1,83 @@
+// $Id$
+/**
+ * @file pass_through.idl
+ * @author Jeff Parsons <j.parsons@vanderbilt.edu>
+ *
+ * Tests tool's regeneration of IDL2 constructs, which
+ * should be basically unchanged.
+ */
+
+#pragma prefix "glooby"
+
+#include "include.idl"
+
+module pre_mod
+{
+  union uke switch (which)
+  {
+    case ONE:
+    case ZERO: string str_mem;
+    default: short s_mem;
+  };
+};
+
+module mod
+{
+  typeid mod "rama:lama/ding:dong";
+
+  interface base
+  {
+    readonly attribute unsigned long long ull_attr
+      raises (pre_mod::wrong);
+  };
+
+  interface foo
+  {
+    typeprefix foo "preefy";
+    
+    exception wrongety_wrong
+    {
+      base unrelated;
+      string explanation;
+    };
+    
+    attribute base base_attr
+      getraises (wrongety_wrong)
+      setraises (pre_mod::wrong, wrongety_wrong);     
+  };
+
+  interface bleep;
+
+  abstract interface bar
+  {
+    base bar_op (in base inarg);
+  };
+
+  interface bleep : base, foo
+  {
+    oneway void oneway_op (in string strarg, in any anyarg);
+    bleep get_me ();
+    pre_mod::uke get_uke (out boolean success)
+      raises (pre_mod::wrong, foo::wrongety_wrong);
+    void throw_something ()
+      raises (pre_mod::wrong);
+  };
+
+  abstract valuetype vt_abase
+  {
+  };
+
+  valuetype vt_cbase
+  {
+    private bleep priv_bleep;
+    public string pub_str;
+    factory vt_init (in bleep bleeparg, in string stringarg)
+      raises (pre_mod::wrong);
+  };
+
+  valuetype vt : vt_cbase, vt_abase supports foo, bar
+  {
+    factory vt_default ();
+  };
+};
+