Add support for OSX CI tests

.github/workflows/macos.yml

@@ -0,0 +1,44 @@
+---
+name: CI OSX/AppleClang
+
+on: [push, pull_request]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+    runs-on: macos-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        build_type: [Debug]
+        cxx_std: [17, 20, 23]
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Create Build Environment
+        run: cmake -E make_directory ${{runner.workspace}}/build
+
+      - name: Configure
+        working-directory: ${{runner.workspace}}/build
+        run: |
+          cmake -DCMAKE_BUILD_TYPE=${{matrix.build_type}} \
+                -DENABLE_TESTING=ON \
+                -DCMAKE_CXX_EXTENSIONS=OFF \
+                -DOVERRIDE_CXX_STANDARD_FOR_TESTS=${{matrix.cxx_std}} \
+                -DENABLE_SANITIZERS_IN_TESTS=ON \
+                $GITHUB_WORKSPACE
+
+      - name: Build
+        working-directory: ${{runner.workspace}}/build
+        run: |
+          threads=`sysctl -n hw.logicalcpu`
+          cmake --build . --config ${{matrix.build_type}} --parallel $threads
+
+      - name: Test
+        working-directory: ${{runner.workspace}}/build
+        run: ctest -C ${{matrix.build_type}}
+        env:
+          CTEST_OUTPUT_ON_FAILURE: True

CMakeLists.txt

@@ -1,10 +1,10 @@
 # ARCH_INDEPENDENT option at write_basic_package_version_file requires 3.14 version of CMake.
-cmake_minimum_required(VERSION 3.14)
+cmake_minimum_required(VERSION 3.14...3.26)
 
 project(FakeIt VERSION 2.4.0 LANGUAGES CXX)
 
 option(ENABLE_TESTING "Enable build of tests." OFF)
-option(OVERRIDE_CXX_STANDARD_FOR_TESTS "Override the C++ standard used for building tests." "")
+set(OVERRIDE_CXX_STANDARD_FOR_TESTS "" CACHE STRING "Override the C++ standard used for building tests.")
 option(ENABLE_SANITIZERS_IN_TESTS "Enable address / undefined sanitizers in tests." OFF)
 option(ENABLE_COVERAGE "Enable coverage reporting for gcc/clang." OFF)
 
@@ -15,6 +15,7 @@ add_subdirectory(include)
 add_subdirectory(config)
 
 if(ENABLE_TESTING)
+    enable_testing()
     # Directory containing test targets of FakeIt.
     add_subdirectory(tests)
 endif()

tests/CMakeLists.txt

@@ -35,7 +35,7 @@ target_link_libraries(FakeIt_tests PRIVATE
 )
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU" OR CMAKE_CXX_COMPILER_ID MATCHES "^(Apple)?Clang$")
-    target_compile_options(FakeIt_tests PRIVATE -Wall -Wextra -Wno-ignored-qualifiers -O0 -g3)
+    target_compile_options(FakeIt_tests PRIVATE -Wall -Wextra -Wno-ignored-qualifiers -Wno-uninitialized -O0 -g3)
 elseif(MSVC)
     target_compile_options(FakeIt_tests PRIVATE /W3 /sdl /Od)
 endif()
@@ -65,3 +65,5 @@ if(ENABLE_COVERAGE)
         message(SEND_ERROR "Code coverage requested but compiler is not compatible.")
     endif()
 endif()
+
+add_test(NAME FakeIt_tests COMMAND FakeIt_tests)