Add tests for BuiltinFunctionEmbedderUtils

On the way, fixed arguments resulting from a function call of types
R^d or R^dxd

src/language/utils/BuiltinFunctionEmbedderUtils.cpp

@@ -28,8 +28,9 @@ getBuiltinFunctionEmbedder(ASTNode& n)
 
         FunctionDescriptor& function_descriptor = argument_node.m_symbol_table->functionTable()[function_id];
         ASTNode& function_image_domain          = *function_descriptor.domainMappingNode().children[1];
-
-        if (function_image_domain.children.size() > 0) {
+        if (not(function_image_domain.is_type<language::vector_type>() or
+                function_image_domain.is_type<language::matrix_type>()) and
+            function_image_domain.children.size() > 0) {
           for (size_t i = 0; i < function_image_domain.children.size(); ++i) {
             arg_type_list.push_back(function_image_domain.children[i]->m_data_type);
           }
@@ -43,9 +44,11 @@ getBuiltinFunctionEmbedder(ASTNode& n)
         arg_type_list.push_back(builtin_function->getReturnDataType());
         break;
       }
+        // LCOV_EXCL_START
       default: {
         throw UnexpectedError("unexpected function type");
       }
+        // LCOV_EXCL_STOP
       }
     } else {
       arg_type_list.push_back(argument_node.m_data_type);

tests/CMakeLists.txt

@@ -47,6 +47,7 @@ add_executable (unit_tests
   test_BiCGStab.cpp
   test_BuildInfo.cpp
   test_BuiltinFunctionEmbedder.cpp
+  test_BuiltinFunctionEmbedderUtils.cpp
   test_BuiltinFunctionEmbedderTable.cpp
   test_BuiltinFunctionProcessor.cpp
   test_CastArray.cpp