CXXFLAGS=-g -O0

include ../common.mk

ifeq ($(CXXTYPE),clang++)
CXXFLAGS+=-fprofile-instr-generate -fcoverage-mapping
LDFLAGS+=-fprofile-instr-generate -fcoverage-mapping
else
# GCC
CXXFLAGS+=--coverage
LDFLAGS+=--coverage
endif

UNITS=\
	base64.cpp \
	file.cpp \
	mime.cpp \
	os.cpp \
	stringhelper.cpp \
	tempfile.cpp \
	url.cpp

UNITTESTS=\
	test-base64.cpp \
	test-file.cpp \
	test-mime.cpp \
	test-os.cpp \
	test-stringhelper.cpp \
	test-tempfile.cpp \
	test-url.cpp

CXXFLAGS+=\
         -I/usr/src/googletest/googletest/include \
         -I/usr/src/googletest/googlemock/include \
         -I/usr/src/googletest/googletest \
         -I/usr/src/googletest/googlemock \
         -I..

test: unittests
	# https://clang.llvm.org/docs/SourceBasedCodeCoverage.html
ifeq ($(CXXTYPE),clang++)
	LLVM_PROFILE_FILE="unittests.profraw" ./unittests
	$(LLVMPROFDATA) merge -sparse unittests.profraw -o unittests.profdata
	$(LLVMCOV) report --ignore-filename-regex='google' --ignore-filename-regex='test-' --ignore-filename-regex='Magick' --show-region-summary=0 -instr-profile unittests.profdata unittests
else
	./unittests
	gcovr -r ..
endif

coverage:
	$(LLVMCOV) show -instr-profile unittests.profdata $(UNITS:.cpp=.o)

unittests: libgmock.a $(UNITTESTS:.cpp=.o) $(UNITS:.cpp=.o)
	$(CXX) $(LDFLAGS) $^ $(LDLIBS) $(LIBS) -o $@

%.o: %.cpp
	$(CXX) $(CXXFLAGS) -o $@ -c $<

base64.o: ../base64.cpp
	$(CXX) $(CXXFLAGS) -o $@ -c $<

file.o: ../file.cpp
	$(CXX) $(CXXFLAGS) -o $@ -c $<

mime.o: ../mime.cpp
	$(CXX) $(CXXFLAGS) -o $@ -c $<

os.o: ../os.cpp
	$(CXX) $(CXXFLAGS) -o $@ -c $<

stringhelper.o: ../stringhelper.cpp
	$(CXX) $(CXXFLAGS) -o $@ -c $<

tempfile.o: ../tempfile.cpp
	$(CXX) $(CXXFLAGS) -o $@ -c $<

url.o: ../url.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
	$(CXX) $(CXXFLAGS) -c /usr/src/googletest/googlemock/src/gmock_main.cc
	ar -rv libgmock.a gmock-all.o gtest-all.o gmock_main.o

clean:
	-rm -f *.o *.a unittests *.gcda *.gcno *.profraw *.profdata *.gcov