test: add test for CPM package manager

.devcontainer/cpp/test/CMakeLists.txt

@@ -9,5 +9,6 @@ add_subdirectory(clang-tools)
 add_subdirectory(fuzzing)
 add_subdirectory(gcc)
 add_subdirectory(gcc-arm-none-eabi)
+add_subdirectory(package-managers)
 add_subdirectory(sanitizers)
 add_subdirectory(test)

.devcontainer/cpp/test/CMakePresets.json

@@ -36,6 +36,13 @@
         "ENABLE_COVERAGE_TEST": "On"
       }
     },
+    {
+      "name": "cpm",
+      "inherits": "defaults",
+      "cacheVariables": {
+        "ENABLE_CPM_TEST": "On"
+      }
+    },
     {
       "name": "gcc",
       "inherits": "defaults"
@@ -81,6 +88,11 @@
       "configurePreset": "coverage",
       "targets": ["test-coverage"]
     },
+    {
+      "name": "cpm",
+      "configurePreset": "cpm",
+      "targets": ["cpm-test"]
+    },
     {
       "name": "fuzzing",
       "configurePreset": "clang",

.devcontainer/cpp/test/package-managers/CMakeLists.txt

@@ -0,0 +1 @@
+add_subdirectory(cpm)

.devcontainer/cpp/test/package-managers/cpm/CMakeLists.txt

@@ -0,0 +1,8 @@
+if (ENABLE_CPM_TEST)
+    include(CPM)
+
+    CPMAddPackage("gh:fmtlib/fmt#11.0.2")
+
+    add_executable(cpm-test EXCLUDE_FROM_ALL main.cpp)
+    target_link_libraries(cpm-test PRIVATE fmt::fmt)
+endif()

.devcontainer/cpp/test/package-managers/cpm/main.cpp

@@ -0,0 +1,7 @@
+#include <fmt/core.h>
+
+int main()
+{
+    fmt::print("Hello, world!\n");
+    return 0;
+}

.devcontainer/cpp/test/testsuite.bats

@@ -170,6 +170,11 @@ teardown() {
   build_and_run_with_sanitizers clang
 }
 
+@test "using CPM as package manager should resolve external dependencies" {
+  cmake --preset cpm
+  cmake --build --preset cpm
+}
+
 function configure_and_build_with_ccache() {
   local PRESET=${1:?}