Add coverage configuration and update CMake for covdbg integration

.covdbg.yaml

@@ -0,0 +1,90 @@
+# Coverage settings for covdbg
+# Format version: 1
+
+version: 1
+source_root: "."
+coverage:
+  default:
+    files:
+      # Select which source files are included in the coverage report.
+      #
+      # The patterns are glob-style:
+      #   - '*'  matches any characters within a single path segment (no directory separators)
+      #   - '**' matches across directory boundaries (recursive)
+      #
+      # Files matched by 'include' are added to the coverage database even if they are
+      # not discovered via linked debug info (PDB). If they are never executed, they
+      # will appear as 0% coverage (LCOV-like behavior).
+      include:
+        - "include/**/*.h"
+
+      # Exclude specific files or directories from the report.
+      # Exclude rules always take precedence over include rules.
+      exclude:
+        # =====================================================================
+        # Windows SDK and Universal CRT (installed paths)
+        # "C:/Program Files*/Windows Kits/**"
+        # =====================================================================
+        - "**/Windows Kits/**"
+
+        # =====================================================================
+        # MSVC Toolchain (installed paths)
+        # "C:/Program Files*/Microsoft Visual Studio/**/VC/Tools/**"
+        # =====================================================================
+        - "**/VC/Tools/MSVC/**"
+
+        # =====================================================================
+        # MSVC CRT/STL Source (build server paths from PDBs)
+        # These patterns match paths embedded in Microsoft's pre-built binaries
+        # from their internal build systems (D:\a\_work\1\s\src\...)
+        # =====================================================================
+        - "**/vctools/crt/**"           # CRT runtime, startup, vcruntime
+        - "**/vctools/langapi/**"       # Language API (undname, etc.)
+        - "**/stl/inc/**"               # STL headers
+        - "**/stl/src/**"               # STL source
+
+        # =====================================================================
+        # Universal CRT (UCRT) - minkernel paths from Windows PDBs
+        # =====================================================================
+        - "**/minkernel/crts/ucrt/**"   # UCRT implementation
+        - "**/minkernel/crts/crtw32/**" # Legacy CRT components
+
+        # =====================================================================
+        # Windows SDK internals (onecore paths from Windows PDBs)
+        # =====================================================================
+        - "**/onecore/**"               # OneCore SDK internals
+
+        # =====================================================================
+        # External SDK includes embedded in PDBs
+        # =====================================================================
+        - "**/ExternalAPIs/**"          # External API headers
+        - "**/binaries/amd64ret/inc/**" # Binary distribution includes
+
+        # =====================================================================
+        # Project-specific exclusions
+        # =====================================================================
+        # Build dependencies (CMake FetchContent, etc.)
+        - "build/**/_deps/**"
+
+        # Test files (exclude from coverage report)
+        - "src/**/*Tests.cpp"
+
+    functions:
+      # Control which functions are included in function-level coverage.
+      #
+      # Patterns can be fully qualified names (e.g. Namespace::Class::Method) or
+      # wildcard expressions using '*'.
+      include:
+        - "*"  # Include all functions by default
+
+      # Exclude specific functions (or patterns) from function-level coverage.
+      # These are compiler-generated or runtime functions that add noise.
+      exclude:
+        # MSVC empty global delete (generated by compiler)
+        - "__empty_global_delete"
+
+        # CRT startup/initialization functions
+        - "__scrt_*"
+        - "_RTC_*"
+        - "__security_*"
+        - "__GSHandler*"

.github/workflows/cmake-multi-platform.yml

@@ -24,7 +24,7 @@ jobs:
       # To add more build types (Release, Debug, RelWithDebInfo, etc.) customize the build_type list.
       matrix:
         os: [ ubuntu-latest, windows-latest ]
-        build_type: [ Release ]
+        build_type: [ Release, Debug ]
         c_compiler: [ gcc, clang, cl ]
         include:
           - os: windows-latest
@@ -54,16 +54,11 @@ jobs:
         run: |
           echo "build-output-dir=${{ github.workspace }}/build" >> "$GITHUB_OUTPUT"
 
-      - name: Install Conan
-        id: conan
-        uses: turtlebrowser/get-conan@main
-
       - name: Configure CMake
         # Configure CMake in a 'build' subdirectory. `CMAKE_BUILD_TYPE` is only required if you are using a single-configuration generator such as make.
         # See https://cmake.org/cmake/help/latest/variable/CMAKE_BUILD_TYPE.html?highlight=cmake_build_type
         run: >
                cmake -B ${{ steps.strings.outputs.build-output-dir }}
-               -DCMAKE_PROJECT_TOP_LEVEL_INCLUDES="conan_provider.cmake"
                -DCMAKE_CXX_COMPILER=${{ matrix.cpp_compiler }}
                -DCMAKE_C_COMPILER=${{ matrix.c_compiler }}
                -DCMAKE_BUILD_TYPE=${{ matrix.build_type }}
@@ -78,3 +73,22 @@ jobs:
         # Execute tests defined by the CMake configuration. Note that --build-config is needed because the default Windows generator is a multi-config generator (Visual Studio generator).
         # See https://cmake.org/cmake/help/latest/manual/ctest.1.html for more detail
         run: ctest --build-config ${{ matrix.build_type }}
+
+      - name: Setup covdbg
+        if: matrix.os == 'windows-latest' && matrix.build_type == 'Debug'
+        uses: covdbg/setup-covdbg@v0
+        with:
+          version: 'latest'
+
+      - name: Run Coverage
+        if: matrix.os == 'windows-latest' && matrix.build_type == 'Debug'
+        shell: pwsh
+        run: |
+          covdbg --fetch-license --config .covdbg.yaml --output ${{ steps.strings.outputs.build-output-dir }}\tests\${{ matrix.build_type }}\msgpack23_tests.covdb ${{ steps.strings.outputs.build-output-dir }}\tests\${{ matrix.build_type }}\msgpack23_tests.exe
+          covdbg convert --format LCOV --input ${{ steps.strings.outputs.build-output-dir }}\tests\${{ matrix.build_type }}\msgpack23_tests.covdb --output ${{ steps.strings.outputs.build-output-dir }}\tests\${{ matrix.build_type }}\msgpack23_tests.lcov
+
+      - name: Upload coverage reports to Codecov
+        if: matrix.os == 'windows-latest' && matrix.build_type == 'Debug'
+        uses: codecov/codecov-action@v5
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}

CMakeLists.txt

@@ -16,6 +16,15 @@ add_library(
 )
 add_library(msgpack23::msgpack23 ALIAS msgpack23)
 
+# download CPM.cmake
+file(
+        DOWNLOAD
+        https://github.com/cpm-cmake/CPM.cmake/releases/download/v0.40.8/CPM.cmake
+        ${CMAKE_CURRENT_BINARY_DIR}/cmake/CPM.cmake
+        EXPECTED_HASH SHA256=78ba32abdf798bc616bab7c73aac32a17bbd7b06ad9e26a6add69de8f3ae4791
+)
+include(${CMAKE_CURRENT_BINARY_DIR}/cmake/CPM.cmake)
+
 target_compile_features(msgpack23 INTERFACE cxx_std_23)
 
 target_include_directories(

README.md

@@ -1,5 +1,6 @@
 # msgpack23
-[![Conan Center](https://img.shields.io/conan/v/msgpack23)](https://conan.io/center/recipes/msgpack23)
+[![codecov](https://codecov.io/gh/rwindegger/msgpack23/graph/badge.svg?token=9JINA61YG2)](https://codecov.io/gh/rwindegger/msgpack23)
+[![covdbg](https://covdbg.com/badge.svg/)](https://covdbg.com/)
 
 A modern, header-only C++ library for MessagePack serialization and deserialization.