* Use convert_cast instead of static_cast where feasible

include/cppargs/misc/context.inl

@@ -1,5 +1,7 @@
 #pragma once
 
+#include <cppcore/conversion/convert_cast.h>
+
 #include "context.h"
 
 namespace cppargs
@@ -39,7 +41,7 @@ namespace cppargs
             {
                 value = tmp + 1;
                 if (key)
-                    *key = std::string(arg, static_cast<size_t>(tmp - arg));
+                    *key = std::string(arg, cppcore::convert_cast<size_t>(tmp - arg));
             }
             else if (key)
             {

include/cppargs/misc/option_parser.inl

@@ -2,7 +2,9 @@
 
 #include <list>
 #include <vector>
+
 #include <cppcore/conversion/string.h>
+#include <cppcore/conversion/convert_cast.h>
 #include <cppargs/misc/option_parser.h>
 
 namespace cppargs
@@ -138,7 +140,7 @@ namespace cppargs
                             ||  *e == '\0'))
                     {
                         value_type tmp;
-                        std::string str(s, static_cast<size_t>(e - s));
+                        std::string str(s, cppcore::convert_cast<size_t>(e - s));
                         s = e + 1;
                         if (!cppcore::try_from_string(str, tmp))
                             throw std::runtime_error(std::string("unable to parse option argument (option=") + arg + "; value=" + s + ")");

test/CMakeLists.txt

@@ -45,7 +45,7 @@ ForEach                     ( FILE IN LISTS CPPARGS_TEST_SOURCE_FILES )
 
     # test
     If                          ( HAS_CMAKE_TESTS )
-        Add_CMake_Test              ( NAME ${TEST_NAME} TARGET ${TEST_NAME} )
+        Add_CMake_Test              ( NAME ${TEST_NAME} TARGET ${TEST_NAME} GROUP cppargs )
     Else                        ( )
         Add_Test                    ( NAME ${TEST_NAME} COMMAND ${TEST_NAME} WORKING_DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} )
     EndIf                       ( )