# ################################################################
# Copyright (c) Meta Platforms, Inc. and affiliates.
# All rights reserved.
#
# This source code is licensed under both the BSD-style license (found in the
# LICENSE file in the root directory of this source tree) and the GPLv2 (found
# in the COPYING file in the root directory of this source tree).
# You may select, at your option, one of the above-listed licenses.
# ################################################################

LIBDIR =../lib
CPPFLAGS += -I$(LIBDIR)
LIB = $(LIBDIR)/libzstd.a


PHONY: default
default: all

PHONY: all
all: simple_compression simple_decompression \
       multiple_simple_compression\
       dictionary_compression dictionary_decompression \
       streaming_compression streaming_decompression \
       multiple_streaming_compression streaming_memory_usage

$(LIB) :
       $(MAKE) -C $(LIBDIR) libzstd.a

simple_compression.o: common.h
simple_compression : $(LIB)

simple_decompression.o: common.h
simple_decompression : $(LIB)

multiple_simple_compression.o: common.h
multiple_simple_compression : $(LIB)

dictionary_compression.o: common.h
dictionary_compression : $(LIB)

dictionary_decompression.o: common.h
dictionary_decompression : $(LIB)

streaming_compression.o: common.h
streaming_compression : $(LIB)

multiple_streaming_compression.o: common.h
multiple_streaming_compression : $(LIB)

streaming_decompression.o: common.h
streaming_decompression : $(LIB)

streaming_memory_usage.o: common.h
streaming_memory_usage : $(LIB)


PHONY:clean
clean:
       @$(RM) core *.o tmp* result* *.zst \
       simple_compression simple_decompression \
       multiple_simple_compression \
       dictionary_compression dictionary_decompression \
       streaming_compression streaming_decompression \
       multiple_streaming_compression streaming_memory_usage
       @echo Cleaning completed

PHONY:test
test: all
       cp README.md tmp
       cp Makefile tmp2
       @echo -- Simple compression tests
       ./simple_compression tmp
       ./simple_decompression tmp.zst
       ./multiple_simple_compression *.c
       ./streaming_decompression tmp.zst > /dev/null
       @echo -- Streaming memory usage
       ./streaming_memory_usage
       @echo -- Streaming compression tests
       ./streaming_compression tmp
       ./streaming_decompression tmp.zst > /dev/null
       @echo -- Edge cases detection
       ! ./streaming_decompression tmp    # invalid input, must fail
       ! ./simple_decompression tmp       # invalid input, must fail
       touch tmpNull                      # create 0-size file
       ./simple_compression tmpNull
       ./simple_decompression tmpNull.zst # 0-size frame : must work
       @echo -- Multiple streaming tests
       ./multiple_streaming_compression *.c
       @echo -- Dictionary compression tests
       ./dictionary_compression tmp2 tmp README.md
       ./dictionary_decompression tmp2.zst tmp.zst README.md
       $(RM) tmp* *.zst
       @echo tests completed