initial commit

libs/Catch2/projects/ExtraTests/X90-WindowsHeaderInclusion.cpp

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+// X90-WindowsHeaderInclusion.cpp
+// Test that the Catch2 header compiles even after including windows.h
+// without defining NOMINMAX first. As an FYI, if you do that, you are
+// wrong.
+
+#include <windows.h>
+#define CATCH_CONFIG_MAIN
+#include <catch2/catch.hpp>
+
+TEST_CASE("Catch2 did survive compilation with windows.h", "[compile-test]") {
+    SUCCEED();
+}