feat: added tests

Makefile

@@ -1,31 +1,61 @@
 CC = clang
-CFLAGS = -Wall -Wextra -Werror -O3
+CFLAGS = -Wall -Wextra -Werror -O2
 LDFLAGS = -flto
 SRC_DIR = srcs
 OBJ_DIR = obj
 BUILD_DIR = build
-HDR_DIR = hdrs
-SRCS = $(wildcard $(SRC_DIR)/*.c)
-OBJS = $(SRCS:$(SRC_DIR)/%.c=$(OBJ_DIR)/%.o)
+HDRS_DIR = hdrs
 LIBRARY = $(BUILD_DIR)/libft.a
 
+# Source and object files for library
+SRCS = $(shell find $(SRC_DIR) -type f -name "*.c")
+OBJS = $(patsubst $(SRC_DIR)/%.c,$(OBJ_DIR)/%.o,$(SRCS))
+
+# Test configuration
+TESTS_DIR = tests
+TESTS_SRCS = $(wildcard $(TESTS_DIR)/*.c)
+TESTS_OBJS = $(patsubst $(TESTS_DIR)/%.c,$(OBJ_DIR)/%.test.o,$(TESTS_SRCS))
+TESTS_BINS = $(patsubst $(TESTS_DIR)/%.c,$(BUILD_DIR)/%_test,$(TESTS_SRCS))
+
 all: $(LIBRARY)
 
 $(OBJ_DIR) $(BUILD_DIR):
 	@mkdir -p $@
 
-$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c $(HDR_DIR)/*.h | $(OBJ_DIR)
-	$(CC) $(CFLAGS) -I$(HDR_DIR) -c $< -o $@
+# Build object files for library
+$(OBJ_DIR)/%.o: $(SRC_DIR)/%.c $(HDRS_DIR)/*.h | $(OBJ_DIR)
+	@mkdir -p $(dir $@)
+	@echo -e "  CC\t$<"
+	@$(CC) $(CFLAGS) -I$(HDRS_DIR) -c $< -o $@
 
 $(LIBRARY): $(OBJS) | $(BUILD_DIR)
-	$(AR) rcs $(LIBRARY) $(OBJS)
+	@echo -e "  AR\t$@"
+	@$(AR) rcs $(LIBRARY) $(OBJS)
+# Build object files for tests
+$(OBJ_DIR)/%.test.o: $(TESTS_DIR)/%.c $(HDRS_DIR)/*.h | $(OBJ_DIR)
+	@mkdir -p $(dir $@)
+	@echo -e "  CC\t$<"
+	@$(CC) $(CFLAGS) -I$(HDRS_DIR) -I$(SRC_DIR) -c $< -o $@
+
+# Link each test binary
+$(BUILD_DIR)/%_test: $(OBJ_DIR)/%.test.o $(LIBRARY) | $(BUILD_DIR)
+	@echo -e "  LD\t$@"
+	@$(CC) $(CFLAGS) $< -L$(BUILD_DIR) -lft -o $@
+
+tests: $(LIBRARY) $(TESTS_BINS)
+	@for testbin in $(TESTS_BINS); do \
+		./$$testbin; \
+	done
 
 clean:
-	rm -rf $(OBJ_DIR)/*.o
+	@echo "  CLEAN"
+	@rm -rf $(OBJ_DIR)
 
 fclean: clean
-	rm -rf $(BUILD_DIR)
+	@echo "  FCLEAN"
+	@rm -rf $(BUILD_DIR)
+	@rm -f $(TESTS_BIN)
 
 re: fclean all
 
-.PHONY: all clean fclean re
+.PHONY: all clean fclean re tests