Add Testing with ctest and remove some examples files

* Add simple testing for examples

* Create ctest.yml

* Move ctest.yml to .github/workflows

* Update ctest.yml

* Update ctest.yml and remove stack overflow example

Author: alvinng4

.github/workflows/ctest.yml

@@ -0,0 +1,59 @@
+name: Cross-Platform Build & Test
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+
+permissions:
+  contents: read
+  checks: write
+  pull-requests: write
+
+jobs:
+  build-and-test:
+    name: ${{ matrix.name }}
+    runs-on: ${{ matrix.os }}
+
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - name: Linux GCC
+            os: ubuntu-latest
+            cc: gcc
+
+          - name: Linux Clang
+            os: ubuntu-latest
+            cc: clang
+
+          - name: Windows MSVC
+            os: windows-latest
+
+    steps:
+    - uses: actions/checkout@v6
+
+    - name: Configure CMake (Unix)
+      if: runner.os != 'Windows'
+      run: cmake -B build -S . -DCMAKE_BUILD_TYPE=Release -DBUILD_EXAMPLES=ON
+      env:
+        CC: ${{ matrix.cc }}
+
+    - name: Configure CMake (Windows)
+      if: runner.os == 'Windows'
+      run: cmake -B build -S . -DCMAKE_BUILD_TYPE=Release -DBUILD_EXAMPLES=ON -G "Visual Studio 17 2022"
+
+    - name: Build
+      run: cmake --build build --config Release
+
+    - name: Run Tests
+      working-directory: build
+      run: ctest -C Release --output-on-failure --output-junit test-results.xml
+
+    - name: Publish Test Results
+      uses: dorny/test-reporter@v2
+      if: success() || failure()
+      with:
+        name: Tests (${{ matrix.name }})
+        path: build/test-results.xml
+        reporter: java-junit

CMakeLists.txt

@@ -112,6 +112,8 @@ if(PROJECT_IS_TOP_LEVEL)
 
     # --- Build Examples ---
     if(BUILD_EXAMPLES)
+        enable_testing() 
+
         if(EXISTS "${CMAKE_CURRENT_SOURCE_DIR}/examples/CMakeLists.txt")
             add_subdirectory(examples)
         endif()

examples/CMakeLists.txt

@@ -3,11 +3,21 @@ file(GLOB EXAMPLE_SOURCES CONFIGURE_DEPENDS "example*.c")
 foreach(SOURCE_FILE ${EXAMPLE_SOURCES})
 
     get_filename_component(TARGET_NAME ${SOURCE_FILE} NAME_WE)
+
     add_executable(${TARGET_NAME} ${SOURCE_FILE})
     target_link_libraries(${TARGET_NAME} PRIVATE c_traceback::c_traceback)
+
     if(ENABLE_SANITIZERS AND NOT MSVC)
         target_compile_options(${TARGET_NAME} PRIVATE -fsanitize=address,undefined)
         target_link_options(${TARGET_NAME} PRIVATE -fsanitize=address,undefined)
     endif()
 
+    # Test
+    add_test(
+        NAME ${TARGET_NAME}
+        COMMAND ${CMAKE_COMMAND} 
+            -DTEST_PROG=$<TARGET_FILE:${TARGET_NAME}>
+            -P ${CMAKE_CURRENT_SOURCE_DIR}/check_test.cmake
+    )
+
 endforeach()

examples/check_test.cmake

@@ -0,0 +1,20 @@
+execute_process(
+    COMMAND ${TEST_PROG}
+    OUTPUT_VARIABLE TEST_OUTPUT
+    ERROR_VARIABLE TEST_OUTPUT
+    RESULT_VARIABLE TEST_RESULT
+)
+
+message("${TEST_OUTPUT}")
+
+# Determine Success
+# The output contains "Traceback" (Even if it crashed)
+if(TEST_OUTPUT MATCHES "Traceback")
+    message(STATUS "Traceback detected. Test Passed.")
+# The program ran successfully (Exit code 0)
+elseif(TEST_RESULT EQUAL 0)
+    message(STATUS "Clean exit. Test Passed.")
+else()
+# Fail: It crashed AND didn't print a Traceback
+    message(FATAL_ERROR "Test Failed: Process crashed (Code: ${TEST_RESULT}) and no 'Traceback' found.")
+endif()