Index: .github/workflows/msys2.yml
==================================================================
--- .github/workflows/msys2.yml
+++ .github/workflows/msys2.yml
@@ -34,5 +34,10 @@
         shell: msys2 {0}
         run: make check
       - name: make install
         shell: msys2 {0}
         run: make install
+      - name: C++ test
+        shell: msys2 {0}
+        run: |
+          objfw-compile -o cxxtest .github/workflows/CXXTest.mm
+          ./cxxtest.exe