Define exit code in Makefile.

Makefile

@@ -5,10 +5,10 @@ all: check-octave check-matlab
 
 check-octave:
 	@cd tests ;\
-	$(OCTAVE) --no-init-file --silent --no-history --eval "addpath([pwd() '/../m-unit-tests/src']); runalltests"
+	$(OCTAVE) --no-init-file --silent --no-history --eval "addpath([pwd() '/../m-unit-tests/src']); runalltests" && [ ! -f ./failed ] && [ -f ./pass ]
 
 check-matlab:
-	@$(MATLAB)  -nosplash -nodisplay -r "addpath m-unit-tests/src; cd tests; runalltests; quit"
+	@$(MATLAB)  -nosplash -nodisplay -r "addpath m-unit-tests/src; cd tests; runalltests; quit" && [ ! -f ./tests/failed ] && [ -f ./tests/pass ]
 
 check-clean:
 	rm -f tests/*_test_*.m tests/*.csv tests/*.xls tests/*.xlsx tests/*.mat tests/failed tests/datafile_for_test

success.sh

-#!/bin/bash
-if [[ -f ./tests/failed ]]; then
-    exit 1
-elif [[ -f ./tests/pass ]]; then
-    exit 0
-else
-    exit 1
-fi