add test to makefile

makefile

@@ -1,3 +1,4 @@
+SHELL:=/bin/bash
 SOURCES:=$(wildcard */*.c)
 BINARIES:=$(SOURCES:.c=)
 
@@ -9,6 +10,32 @@ all: $(BINARIES)
 clean:
 	rm -f $(BINARIES)
 
-test:
+test: $(BINARIES)
+	@mkdir -p temp;\
+	tracked_files=$$(git ls-tree --name-only HEAD PATAdvanced/ PATBasic/);\
+	for bin in $(BINARIES);\
+	do\
+		if [ "$$tracked_files" = "$${tracked_files/$$bin/}" ]; then\
+			echo not tracking $$bin\'s source;\
+			continue;\
+		fi;\
+		cat=;\
+		dir=$$(dirname $$bin);\
+		id=$$(basename $$bin);\
+		if [ $$dir = PATAdvanced ]; then cat=a; fi;\
+		if [ $$dir = PATBasic    ]; then cat=b; fi;\
+		if [ $$dir = PATTop      ]; then cat=t; fi;\
+		for sample in samples/$$cat$$id-*.in;\
+		do\
+			echo testing $$bin, sample $$sample;\
+			printf %s "$$($$dir/$$id < $$sample)" > temp/out;\
+			printf %s "$$(cat $${sample/in/out})" > temp/ans;\
+			diff temp/out temp/ans;\
+		done;\
+		if [ $$cat = b ] && [ $$id = 1041 ]; then exit; fi;\
+	done;\
+	rm -r temp
+
+debug:
 	@echo $(SOURCES)
 	@echo $(BINARIES)