Add unit test multiple_registration

+ currently produces a wonderful 36 errors :D

Author: ManifoldFR

unittest/CMakeLists.txt

@@ -30,6 +30,7 @@ endmacro(ADD_LIB_UNIT_TEST)
 
 add_dependencies(build_tests ${PYWRAP})
 add_lib_unit_test(matrix)
+add_lib_unit_test(multiple_registration)
 if(BUILD_TESTING_SCIPY)
   find_scipy()
   add_lib_unit_test(sparse_matrix)
@@ -101,6 +102,8 @@ endif()
 add_lib_unit_test(bind_virtual_factory)
 
 add_python_lib_unit_test("py-matrix" "unittest/python/test_matrix.py")
+add_python_lib_unit_test("py-multiple-registration"
+                         "unittest/python/test_multiple_registration.py")
 
 add_python_lib_unit_test("py-tensor" "unittest/python/test_tensor.py")
 add_python_lib_unit_test("py-geometry" "unittest/python/test_geometry.py")

unittest/multiple_registration.cpp

@@ -0,0 +1,28 @@
+#include "eigenpy/registration.hpp"
+#include <cstdio>
+
+namespace bp = boost::python;
+
+class X {
+ public:
+  X() {}
+  void operator()() { printf("DOOT\n"); }
+};
+
+class X_wrapper : public X, bp::wrapper<X> {
+ public:
+  static void expose() {
+    if (!eigenpy::register_symbolic_link_to_registered_type<X>()) {
+      bp::class_<X>("X", bp::init<>()).def("__call__", &X::operator());
+    }
+  }
+};
+
+BOOST_PYTHON_MODULE(multiple_registration) {
+  X_wrapper::expose();
+  X_wrapper::expose();
+  X_wrapper::expose();
+  X_wrapper::expose();
+  X_wrapper::expose();
+  X_wrapper::expose();
+}

unittest/python/test_multiple_registration.py

@@ -0,0 +1 @@
+import multiple_registration  # noqa