Fix examples/hello test round#2

I forgot to check whether the result is `IMAGE_SYNTH_SUCCESS`.

Makefile

@@ -20,6 +20,7 @@ INC_FLAGS := $(addprefix -I,$(INC_DIRS))
 
 STATIC_LIB := $(LIB_DIR)/libresynthesizer.a
 
+ASSET_DIR := assets
 EXAMPLE_DIR := examples
 EXAMPLES := $(EXAMPLE_DIR)/hello $(EXAMPLE_DIR)/ppm $(EXAMPLE_DIR)/painter
 
@@ -41,33 +42,33 @@ $(BUILD_DIR)/%.o: %.c
 	$(CC) $(CPPFLAGS) $(CFLAGS) -c $< -o $@
 
 # Build the example executables.
-$(EXAMPLE_DIR)/hello: examples/hello.c $(STATIC_LIB)
+$(EXAMPLE_DIR)/hello: $(EXAMPLE_DIR)/hello.c $(STATIC_LIB)
 	@echo "\033[1;92mBuilding $@\033[0m"
 	mkdir -p $(dir $@)
-	$(CC) $(CFLAGS) -o $@ examples/hello.c $(LDFLAGS) $(INC_FLAGS) $(STATIC_LIB)
+	$(CC) $(CFLAGS) -o $@ $(EXAMPLE_DIR)/hello.c $(LDFLAGS) $(INC_FLAGS) $(STATIC_LIB)
 
-$(EXAMPLE_DIR)/ppm: examples/ppm.c $(STATIC_LIB)
+$(EXAMPLE_DIR)/ppm: $(EXAMPLE_DIR)/ppm.c $(STATIC_LIB)
 	@echo "\033[1;92mBuilding $@\033[0m"
 	mkdir -p $(dir $@)
-	$(CC) $(CFLAGS) -o $@ examples/ppm.c $(LDFLAGS) $(INC_FLAGS) $(STATIC_LIB)
+	$(CC) $(CFLAGS) -o $@ $(EXAMPLE_DIR)/ppm.c $(LDFLAGS) $(INC_FLAGS) $(STATIC_LIB)
 
-$(EXAMPLE_DIR)/painter: examples/painter.c $(STATIC_LIB)
+$(EXAMPLE_DIR)/painter: $(EXAMPLE_DIR)/painter.c $(STATIC_LIB)
 	@echo "\033[1;92mBuilding $@\033[0m"
 	mkdir -p $(dir $@)
-	$(CC) $(CFLAGS) -o $@ examples/painter.c $(LDFLAGS) $(INC_FLAGS) $(STATIC_LIB) $(shell pkg-config --cflags --libs sdl2)
+	$(CC) $(CFLAGS) -o $@ $(EXAMPLE_DIR)/painter.c $(LDFLAGS) $(INC_FLAGS) $(STATIC_LIB) $(shell pkg-config --cflags --libs sdl2)
 
 # Run the executable(ppm) against the sample images with varying parameters.
 fuzz: $(EXAMPLE_DIR)/ppm
 	@echo "\033[1;92mFuzzing...\033[0m"
-	mkdir -p out
+	mkdir -p $(EXAMPLE_DIR)/output
 	@for number in 0 1 2 3 4 ; do \
 		for context in 0 1 2 3 4 5 6 7 8 ; do \
 			for neighbors in 9 64 ; do \
 				for probes in 64 256 ; do \
-					./examples/ppm \
-					assets/source00$${number}.ppm \
-					assets/mask00$${number}.ppm \
-					out/result00$${number}"_"$${context}"_"$${neighbors}"_"$${probes}.ppm \
+					$(EXAMPLE_DIR)/ppm \
+					$(ASSET_DIR)/source00$${number}.ppm \
+					$(ASSET_DIR)/mask00$${number}.ppm \
+					$(EXAMPLE_DIR)/output/result00$${number}"_"$${context}"_"$${neighbors}"_"$${probes}.ppm \
 					$${context} $${neighbors} $${probes} ; \
 				done \
 			done \
@@ -76,10 +77,11 @@ fuzz: $(EXAMPLE_DIR)/ppm
 
 test: $(EXAMPLE_DIR)/hello
 	@echo "\033[1;92mTesting...\033[0m"
-	@if ./examples/hello; then \
+	@if $(EXAMPLE_DIR)/hello; then \
 		echo "\033[1;92mTest Passed!\033[0m"; \
 	else \
 		echo "\033[1;91mTest Failed!\033[0m"; \
+		exit 1; \
 	fi
 
 .PHONY: clean test all

examples/hello.c

@@ -67,5 +67,5 @@ int main()
 
     puts(enums[error]);
 
-    return EXIT_SUCCESS;
+    return error == IMAGE_SYNTH_SUCCESS ? EXIT_SUCCESS : EXIT_FAILURE;
 }