Add missing files of TestDeduplication unit test

Author: grasph

test/TestDeduplication/A.h

@@ -0,0 +1,13 @@
+#include <iostream>
+
+struct A{
+  const char* f() { return "const char* f()"; }
+  const char* f() const { return "const char* f() const"; }
+
+  const char* g(int){ return "const char* g(int)"; }
+  const char* g(int64_t){ return "const char* g(int64_t)"; }
+
+
+  static const char* h(int){ return "static const char* h(int)"; }
+  static const char* h(int64_t){ return "static const char* h(int64_t)"; }
+};

test/TestDeduplication/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.12)
+
+project(TestDeduplication)
+
+set(WRAPPER_EXTRA_SRCS)
+
+# All of the real work is done in the lower level CMake file
+include(../WrapitTestSetup.cmake)

test/TestDeduplication/TestDeduplication.wit

@@ -0,0 +1,17 @@
+module_name="TestDeduplication"
+uuid                = "68e5aff2-27ba-4614-8412-37a57b7bbfca"
+
+input = [ "A.h" ]
+		  
+include_dirs = [ "." ]
+
+cxx-std = "c++17"
+
+auto_veto = false
+
+export = "all"
+
+# all generated code in a single file:
+n_classes_per_file = 0
+
+cxx2cxx_type_map = [ "int -> int64_t" ]

test/TestDeduplication/compileandrun

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+#!/usr/bin/env julia
+
+TEST_SCRIPT="runTestDeduplication.jl"
+
+#number of cores to use for code compilation
+ncores=Sys.CPU_THREADS
+
+# Generate the wrapper and build the shared library:
+run(`cmake -B build .`)
+run(`cmake --build build -j $ncores`)
+
+# Execute the test
+include(TEST_SCRIPT)

test/TestDeduplication/runTestDeduplication.jl

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+using Test
+using Serialization
+
+import Pkg
+Pkg.activate("$(@__DIR__)/build")
+Pkg.develop(path="$(@__DIR__)/build/TestDeduplication")
+using TestDeduplication
+
+function runtest()
+    @testset "Deduplication" begin
+        a = A()
+        @test f(a) == "const char* f()"
+        @test g(a,1) == "const char* g(int64_t)"
+        @test A!h(1) == "static const char* h(int64_t)"
+    end
+end
+
+if "-s" in ARGS #Serialize mode
+    Test.TESTSET_PRINT_ENABLE[] = false
+    serialize(stdout, runtest())
+else
+    runtest()
+end