diff --git a/tests/lib/util/corestr.c b/tests/lib/util/corestr.cpp
similarity index 100%
rename from tests/lib/util/corestr.c
rename to tests/lib/util/corestr.cpp
diff --git a/tests/main.c b/tests/main.cpp
similarity index 100%
rename from tests/main.c
rename to tests/main.cpp