# Copyright (C) 2011 Red Hat, Inc. All rights reserved.
#
# This file is part of the thin-provisioning-tools source.
#
# thin-provisioning-tools is free software: you can redistribute it
# and/or modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation, either version 3 of
# the License, or (at your option) any later version.
#
# thin-provisioning-tools is distributed in the hope that it will be
# useful, but WITHOUT ANY WARRANTY; without even the implied warranty
# of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along
# with thin-provisioning-tools.  If not, see
# <http://www.gnu.org/licenses/>.

GMOCK_DIR=googletest
GMOCK_INCLUDES=\
	-I$(GMOCK_DIR)/googlemock/include \
	-I$(GMOCK_DIR)/googletest/include

GMOCK_FLAGS=\
	-Wno-unused-local-typedefs

GMOCK_LIBS=\
	-Llib -lpdata -lgmock -lpthread -laio

GMOCK_DEPS=\
	$(wildcard $(GMOCK_DIR)/googlemock/include/*.h) \
	$(wildcard $(GMOCK_DIR)/googlemock/src/*.cc) \
	$(wildcard $(GMOCK_DIR)/googletest/include/*.h) \
	$(wildcard $(GMOCK_DIR)/googletest/src/*.cc)

lib/libgmock.a: $(GMOCK_DEPS)
	@echo "    [CXX] gtest"
	@mkdir -p lib
	$(V) $(CXX) $(GMOCK_INCLUDES) -I$(GMOCK_DIR)/googletest -std=c++11 -c $(GMOCK_DIR)/googletest/src/gtest-all.cc
	@echo "    [CXX] gmock"
	$(V) $(CXX) $(GMOCK_INCLUDES) -I$(GMOCK_DIR)/googlemock -std=c++11 -c $(GMOCK_DIR)/googlemock/src/gmock-all.cc
	@echo "    [AR]  $<"
	$(V)$(AR) -rv lib/libgmock.a gtest-all.o gmock-all.o > /dev/null 2>&1

TEST_SOURCE=\
	unit-tests/gmock_main.cc \
	unit-tests/test_utils.cc \
	\
	unit-tests/array_block_t.cc \
	unit-tests/array_t.cc \
	unit-tests/base64_t.cc \
	unit-tests/bcache_t.cc \
	unit-tests/block_t.cc \
	unit-tests/bitset_t.cc \
	unit-tests/btree_t.cc \
	unit-tests/btree_counter_t.cc \
	unit-tests/btree_damage_visitor_t.cc \
	unit-tests/cache_superblock_t.cc \
	unit-tests/copier_t.cc \
	unit-tests/damage_tracker_t.cc \
	unit-tests/endian_t.cc \
	unit-tests/error_state_t.cc \
	unit-tests/io_engine_t.cc \
	unit-tests/mem_pool_t.cc \
	unit-tests/rmap_visitor_t.cc \
	unit-tests/rolling_hash_t.cc \
	unit-tests/run_set_t.cc \
	unit-tests/space_map_t.cc \
	unit-tests/span_iterator_t.cc \
	unit-tests/transaction_manager_t.cc

#	unit-tests/thin_metadata_t.cc \

TEST_OBJECTS=$(subst .cc,.gmo,$(TEST_SOURCE))

# .gmo files are plain .o files, only they've been built with gmock
# include paths.
.SUFFIXES: .gmo

%.gmo: %.cc
	@echo "    [CXX] $<"
	@mkdir -p $(dir $@)
	$(V) $(CXX) -c $(TEST_INCLUDES) $(CPPFLAGS) $(GMOCK_INCLUDES) $(CXXFLAGS) $(GMOCK_FLAGS) -o $@ $<
	@echo "    [DEP] $<"
	$(V) $(CXX) -MM -MT $(subst .cc,.o,$<) $(TEST_INCLUDES) $(CPPFLAGS) $(GMOCK_INCLUDES) $(CXXFLAGS) $(GMOCK_FLAGS) $< > $*.$$$$; \
	sed 's,\([^ :]*\)\.o[ :]*,\1.o \1.gmo $* : Makefile ,g' < $*.$$$$ > $*.d; \
	$(RM) $*.$$$$

unit-tests/unit_tests: $(TEST_OBJECTS) lib/libgmock.a lib/libpdata.a
	@echo "    [LD]  $<"
	@mkdir -p $(dir $@)
	$(V)g++ $(CXXFLAGS) $(LDFLAGS) -o $@ $(TEST_OBJECTS) $(LIBS) $(GMOCK_LIBS) $(LIBEXPAT)

.PHONY: unit-test

unit-test: unit-tests/unit_tests
	unit-tests/unit_tests