test: Make test script work relatively to any location

compiler/Makefile

@@ -14,6 +14,7 @@ BUILTINS = obj/builtins/builtins.o obj/builtins/numbers.o \
            obj/builtins/io.o
 OBJS     = obj/lex.yy.o obj/y.tab.o obj/codegen.o obj/codegen_expr.o \
            obj/codegen_stat.o obj/ast.o obj/band.o obj/plugins.o obj/scope.o \
+           obj/preprocessor.o \
            $(PLUGINS) $(BUILTINS) obj/main.o
 DEPS     = $(OBJS:%.o=%.d)
 

compiler/test/tests.sh

@@ -1,6 +1,8 @@
 #/bin/sh
 
-executable="$1"
+executable="$(realpath "$1")"
+
+cd "$(dirname "$0")"/cases/
 
 tmpfile="/tmp/$$.tmp"
 resultsfile="/tmp/$$.results"
@@ -26,7 +28,7 @@ run_testcase() {
 	rm "$tmpfile";
 }
 
-ls cases/*.in test/cases/*.in | sed -E 's/.in$//g' |  while read test; do
+ls *.in | sed -E 's/.in$//g' |  while read test; do
 	run_testcase "$test"
 done