add unique resource test

Author: JeffGarland

tests/CMakeLists.txt

@@ -9,13 +9,20 @@ FetchContent_Declare(
 )
 FetchContent_MakeAvailable(Catch2)
 
-add_executable(tests.scope)
-target_sources(tests.scope PRIVATE scope.test.cpp)
+set(ALL_TESTNAMES scope unique_resource)
 
-target_link_libraries(tests.scope PRIVATE Catch2::Catch2WithMain)
-
-target_include_directories(tests.scope PRIVATE ${CMAKE_SOURCE_DIR}/include)
+message("Tests to be built: ${ALL_TESTS}")
 
 include(CTest)
 include(Catch)
-catch_discover_tests(tests.scope)
+
+
+foreach(testname ${ALL_TESTNAMES})
+    add_executable(test.${testname})
+    target_sources(test.${testname} PRIVATE ${testname}.test.cpp)
+    target_include_directories(test.${testname} PRIVATE ${CMAKE_SOURCE_DIR}/include)
+    target_link_libraries(test.{testname} PRIVATE Catch2::Catch2WithMain)
+endforeach()
+
+
+catch_discover_tests(test.scope test.unique_resource)

tests/unique_resource.test.cpp

@@ -0,0 +1,34 @@
+#include <memory>
+#include <cstdio>
+#include <beman/scope/scope.hpp>
+
+constexpr bool open_file_good = false;
+constexpr bool close_file_good = false;
+
+// define only in one cpp file
+#define CATCH_CONFIG_MAIN
+#include <catch2/catch_all.hpp>
+
+TEST_CASE("Construct file unique_resource") {
+
+  {
+    auto file = beman::scope::unique_resource(
+        fopen("example.txt", "w"), // Acquire the FILE*
+        [](FILE* f) {
+            if (f) {
+                fclose(f); // Release (cleanup) the resource
+                close_file_good = true;
+            }
+        }
+    );
+
+    if (!file.get()) {
+        return 1;
+    }
+    open_file_good = true;
+  }
+
+
+  REQUIRE(open_file_good == true);
+  REQUIRE(cloes_file_good == true);
+}