diff --git a/tests/tests.cpp b/tests/tests.cpp
index 6db6b62..a003918 100644
--- a/tests/tests.cpp
+++ b/tests/tests.cpp
@@ -4,6 +4,34 @@
 
 auto main() -> int
 {
+#ifdef _WIN32
+    std::cout << "Windows" << std::endl;
+#endif
+
+#ifdef __linux__
+    std::cout << "Linux" << std::endl;
+#endif
+
+#ifdef __APPLE__
+    std::cout << "macOS" << std::endl;
+#endif
+#ifdef _MSC_VER
+    std::cout << "MSVC" << std::endl;
+#endif
+
+#ifdef __GNUC__
+    std::cout << "GCC" << std::endl;
+#endif
+
+#ifdef __clang__
+    std::cout << "Clang" << std::endl;
+#endif
+#ifndef NDEBUG
+    std::cout << "Debug" << std::endl;
+#else
+    std::cout << "Release" << std::endl;
+#endif
+
     {
         std::filesystem::path const& path = exe_path::exe();
         assert(!path.empty());