diff --git a/tests/xtd.tunit.unit_tests/src/assert_unit_tests/assert_value.h b/tests/xtd.tunit.unit_tests/src/assert_unit_tests/assert_value.h
index 1b3a4afe576..57e510b4168 100644
--- a/tests/xtd.tunit.unit_tests/src/assert_unit_tests/assert_value.h
+++ b/tests/xtd.tunit.unit_tests/src/assert_unit_tests/assert_value.h
@@ -2,13 +2,14 @@
 #include "unit_test_error.h"
 #include <xtd/foreground_color>
 #include <xtd/reset_color>
+#include <xtd/source_location>
 #include <iostream>
 #include <sstream>
 #include <string>
 
 namespace assert_unit_tests {
   template <typename expected_t, typename actual_t>
-  void assert_value(const std::string& name, const expected_t& expected, const actual_t& actual, const std::string& file, int line_number) {
+  void assert_value(const std::string& name, const expected_t& expected, const actual_t& actual, const xtd::source_location& location = xtd::source_location::current()) {
     if (actual == expected)
       std::cout << xtd::foreground_color(xtd::console_color::dark_green) << "  SUCCEED " << xtd::reset_color() << name << std::endl;
     else {
@@ -26,14 +27,11 @@ namespace assert_unit_tests {
       while (std::getline(f, line))
         std::cout << "      " << line << std::endl;
       std::cout << "    Stack trace:" << std::endl;
-      std::cout << "      " << file << ":" << line_number << std::endl;
+      std::cout << "      " << location.file_name() << ":" << location.line() << std::endl;
       throw unit_test_error("assertion failed!");
     }
   }
 }
 
 #define assert_value_(expected, actual) \
-  assert_unit_tests::assert_value(name, expected, actual, __FILE__, __LINE__)
-
-#define assert_value_(expected, actual) \
-  assert_unit_tests::assert_value(name, expected, actual, __FILE__, __LINE__)
+  assert_unit_tests::assert_value(name, expected, actual)