OPT_i = -i
OPT_l = -l
OPT_m = -m
OPT_M = -M
OPT_s = -s
opt_w = -w

# test suite formatted output
OPTS = -t -q

EXE := ../$(PROG)
TEST_DIR := $(shell mktemp --directory )
CP := cp
RM := rm -f
SHA := sha1sum
SHASUM := $(shell which $(SHA) )
HDR_ORIG := header_test.bin
HDR_TEST := $(TEST_DIR)/header_test.bin
CHK_HDR_ORIG=$(shell $(SHASUM) $(HDR_TEST) )

tests: banner test_nochange test_man_nomatch test_man_match
	-$(RM) -r $(TEST_DIR)

banner:
	@echo "Starting tests"

tests_dir: $(TEST_DIR)
	@echo "Tests directory: $(TEST_DIR)"

exe:
	@echo "Testing $(EXE)"
	@test -e $(EXE) || ( echo "executable $(EXE) does not exist" && /bin/false )
	@test -f $(EXE) || ( echo "executable $(EXE) is not a file" && /bin/false )
	@test -x $(EXE) || ( echo "executable $(EXE) is not executable" && /bin/false )
	@echo "Checking for $(SHA)"
	@test -x $(SHASUM) || ( echo "$(SHA) not found" && /bin/false )

checksum:
	echo $(CHK_HDR_ORIG) | $(SHASUM) --check --quiet

hdr_duplicate:
	$(CP) $(HDR_ORIG) $(HDR_TEST)

test_nochange: exe tests_dir hdr_duplicate checksum
	$(EXE) $(OPTS) $(HDR_TEST) 2>/dev/null 

test_man_nomatch:

test_man_match:

.PHONY: tests exe