Make sure all KICAD_T values are correct with a test

qa/common/CMakeLists.txt

@@ -41,6 +41,7 @@ set( common_srcs
     test_property.cpp
     test_refdes_utils.cpp
     test_title_block.cpp
+    test_types.cpp
     test_utf8.cpp
     test_wildcards_and_files_ext.cpp
     test_wx_filename.cpp

qa/common/test_types.cpp

@@ -0,0 +1,47 @@
+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2021 KiCad Developers, see AUTHORS.TXT for contributors.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, you may find one here:
+ * http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
+ * or you may search the http://www.gnu.org website for the version 2 license,
+ * or you may write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA
+ */
+
+#include <qa_utils/wx_utils/unit_test_utils.h>
+
+// Code under test
+#include <core/typeinfo.h>
+
+
+/**
+ * Declare the test suite
+ */
+BOOST_AUTO_TEST_SUITE( Types )
+
+
+// Make sure all available `KICAD_T` values are categorized properly.
+BOOST_AUTO_TEST_CASE( AllCorrect )
+{
+    for( int i = 0; i < MAX_STRUCT_TYPE_ID; i++ )
+    {
+        KICAD_T type = static_cast<KICAD_T>( i );
+
+        BOOST_CHECK( IsTypeCorrect( type ) );
+    }
+}
+
+BOOST_AUTO_TEST_SUITE_END()