AutoRAII facility.

AutoRAII.test/0.cc

@@ -0,0 +1,43 @@
+static_assert( __cplusplus > 201700, "C++17 Required" );
+
+#include <Alepha/AutoRAII.h>
+
+#include <Alepha/Testing/test.h>
+#include <Alepha/Utility/evaluation.h>
+
+int
+main( const int argcnt, const char *const argvec[] )
+{
+	return Alepha::Testing::runAllTests( argcnt, argvec );
+}
+
+namespace
+{
+	using namespace Alepha::exports::auto_raii;
+
+	using namespace Alepha::Utility::exports::evaluation;
+	using namespace Alepha::Testing::exports::literals;
+	using Alepha::Testing::exports::TestState;
+
+	auto tests= enroll <=[]
+	{
+		"basic.syntax"_test <=[]( TestState test )
+		{
+			AutoRAII managed{ []{ return 42; }, []( auto ){} };
+			test.expect( managed == 42 );
+		};
+
+		"basic.functionality"_test <=[]( TestState test )
+		{
+			bool initialized= false;
+			bool destroyed= false;
+			{
+				AutoRAII managed{ [&]{ initialized= true; return 0; }, [&]( auto ) { initialized= false; destroyed= true; } };
+				test.expect( initialized );
+				test.expect( not destroyed );
+			}
+			test.expect( not initialized );
+			test.expect( destroyed );
+		};
+	};
+}