1 files changed, 42 insertions, 3 deletions
diff --git a/tests/Makefile b/tests/Makefile
index 1f912c3..e36198b 100644
--- a/tests/Makefile
+++ b/tests/Makefile
@@ -1,5 +1,18 @@
+CXXFLAGS=-g -O0
+
+ifeq ($(CXX),clang++-14)
+CXXFLAGS+=-fprofile-instr-generate -fcoverage-mapping
+else
+# GCC
+CXXFLAGS+=--coverage
+endif
+
 include ../common.mk
 
+LDFLAGS+=-fprofile-instr-generate -fcoverage-mapping
+
+UNITS=storage.cpp config.cpp file.cpp compiledsql.cpp qrcode.cpp whiteboard.cpp
+
 UNITTESTS=test-config.cpp \
 	  test-storage.cpp
 
@@ -11,14 +24,40 @@ CXXFLAGS+=\
          -I..
 
 test: unittests
-	./unittests
+	# https://clang.llvm.org/docs/SourceBasedCodeCoverage.html
+ifeq ($(CXX),clang++-14)
+	LLVM_PROFILE_FILE="unittests.profraw" ./unittests
+	llvm-profdata-14 merge -sparse unittests.profraw -o unittests.profdata
+	llvm-cov-14 report --ignore-filename-regex='google' --ignore-filename-regex='test-' --show-region-summary=0 -instr-profile unittests.profdata unittests
+endif
+
+coverage:
+	llvm-cov-14 show -instr-profile unittests.profdata $(UNITS:.cpp=.o)
 
-unittests: libgmock.a $(UNITTESTS:.cpp=.o) ../config.o ../file.o ../storage.o
+unittests: libgmock.a $(UNITTESTS:.cpp=.o) $(UNITS:.cpp=.o)
 	$(CXX) $(LDFLAGS) $^ $(LDLIBS) $(LIBS) -o $@
 
 %.o: %.cpp
 	$(CXX) $(CXXFLAGS) -o $@ -c $<
 
+config.o: ../config.cpp
+	$(CXX) $(CXXFLAGS) -o $@ -c $<
+
+file.o: ../file.cpp
+	$(CXX) $(CXXFLAGS) -o $@ -c $<
+
+storage.o: ../storage.cpp
+	$(CXX) $(CXXFLAGS) -o $@ -c $<
+
+compiledsql.o: ../compiledsql.cpp
+	$(CXX) $(CXXFLAGS) -o $@ -c $<
+
+whiteboard.o: ../whiteboard.cpp
+	$(CXX) $(CXXFLAGS) -o $@ -c $<
+
+qrcode.o: ../qrcode.cpp
+	$(CXX) $(CXXFLAGS) -o $@ -c $<
+
 libgmock.a:
 	$(CXX) $(CXXFLAGS) -c /usr/src/googletest/googletest/src/gtest-all.cc
 	$(CXX) $(CXXFLAGS) -c /usr/src/googletest/googlemock/src/gmock-all.cc
@@ -26,4 +65,4 @@ libgmock.a:
 	ar -rv libgmock.a gmock-all.o gtest-all.o gmock_main.o
 
 clean:
-	-rm -f *.o *.a unittests
+	-rm -f *.o *.a unittests *.gcno *.profraw *.profdata