Specify major version for Catch2

.gitignore

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+.idea/*
+cmake-*
+build/

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.28 FATAL_ERROR)
+project(raiiSafeCuda CXX)
+
+option(ENABLE_TESTS "Enable tests' cmake target." ON)
+
+find_package(CUDAToolkit REQUIRED)
+
+file(GLOB_RECURSE SAFE_CUDA_HEADERS include/*.hpp)
+file(GLOB_RECURSE SAFE_CUDA_SOURCES src/*.cpp)
+
+
+add_library(raiiSafeCuda SHARED
+        ${SAFE_CUDA_HEADERS}
+        ${SAFE_CUDA_SOURCES}
+)
+target_precompile_headers(raiiSafeCuda PRIVATE ${SAFE_CUDA_HEADERS})
+target_compile_definitions(raiiSafeCuda PRIVATE $<$<CONFIG:Debug>:_GLIBCXX_DEBUG>)
+target_compile_options(raiiSafeCuda PRIVATE -pipe -Wall -Wextra -pedantic)
+target_link_libraries(raiiSafeCuda CUDA::cudart)
+
+set_target_properties(raiiSafeCuda PROPERTIES
+        CXX_STANDARD 20
+        CXX_EXTENSIONS OFF
+        INTERPROCEDURAL_OPTIMIZATION ON
+)
+
+if (ENABLE_TESTS)
+    add_subdirectory(tests)
+endif ()

include/malloc_unmanagef.hpp

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+//
+// Created by postaron on 25/03/24.
+//
+
+#ifndef RAIISAFECUDA_MALLOC_UNMANAGEF_HPP
+#define RAIISAFECUDA_MALLOC_UNMANAGEF_HPP
+
+namespace safe_cuda {
+
+}
+
+#endif //RAIISAFECUDA_MALLOC_UNMANAGEF_HPP

include/stream_related.hpp

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+#ifndef RAIISAFECUDA_STREAM_RELATED_HPP
+#define RAIISAFECUDA_STREAM_RELATED_HPP
+
+#include <memory>
+#include <cuda_runtime_api.h>
+#include <variant>
+
+namespace safe_cuda {
+    using streamDestroyType = decltype(&cudaStreamDestroy);
+
+    /**
+     * \brief It tries to create a stream, putting it in a smart pointer with its correct destructor.
+     * \return smart pointer if creation is OK, else the CUDA error
+     */
+    std::variant<std::unique_ptr<CUstream_st, streamDestroyType>, cudaError_t> create_stream() noexcept;
+}
+
+#endif //RAIISAFECUDA_STREAM_RELATED_HPP

src/malloc_unmanagef.cpp

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+//
+// Created by postaron on 25/03/24.
+//
+
+#include "malloc_unmanagef.hpp"

src/stream_related.cpp

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+#include "stream_related.hpp"
+
+namespace safe_cuda {
+    std::variant<std::unique_ptr<CUstream_st, streamDestroyType>, cudaError_t> create_stream() noexcept {
+        cudaStream_t stream = nullptr;
+        const cudaError_t error = cudaStreamCreate(&stream);
+        if (error != cudaSuccess) {
+            return error;
+        }
+        return std::unique_ptr<CUstream_st, streamDestroyType>{ stream, cudaStreamDestroy };
+    }
+
+}

tests/CMakeLists.txt

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+project(testsRaiiSafeCuda CXX)
+
+find_package(Catch2 3)
+if (NOT Catch2_FOUND)
+    message(STATUS "Using FetchContent to download and use Catch2")
+    include(FetchContent)
+    fetchcontent_declare(
+            Catch2
+            GIT_REPOSITORY https://github.com/catchorg/Catch2
+            GIT_TAG v3.5.3
+            EXCLUDE_FROM_ALL
+            OVERRIDE_FIND_PACKAGE
+    )
+    fetchcontent_makeavailable(Catch2)
+    find_package(Catch2 3 REQUIRED)
+endif ()
+
+include(CTest)
+enable_testing()
+include(Catch)
+include(CatchAddTests)
+
+add_executable(tests tests_stream.cpp)
+target_link_libraries(tests Catch2::Catch2WithMain)
+
+catch_discover_tests(tests WORKING_DIRECTORY ${CMAKE_CURRENT_BINARY_DIR})

tests/tests_stream.cpp

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+//
+// Created by postaron on 21/03/24.
+//
+
+#include <catch2/catch_all.hpp>
+
+TEST_CASE("hello", "world") {
+    
+}