generalise test script

scripts/test

@@ -1,5 +1,5 @@
 #!/usr/bin/env bash
-USAGE='test [[run]-[valgrind]] ...'
+USAGE='test program [[run]-[valgrind]] ...'
 if [[ "$1" =~ help ]]; then
   echo "$USAGE"
   exit 0
@@ -10,17 +10,27 @@ MODE=
 REBUILD=true
 VALGRIND=false
 TARGET=all
-if [[ "$1" =~ run.* ]]; then
-  MODE="$1"
+PROGRAM="$1"
+MODE_ARG="$2"
+
+if [[ ! -x "$PROGRAM" ]]; then
+  echo "[!] Invalid program: \"$PROGRAM\""
+  echo "$USAGE"
+  exit 1
+fi
+
+if [[ "$MODE_ARG" =~ run.* ]]; then
+  MODE="$MODE_ARG"
   REBUILD=false
 fi
-if [[ "$1" =~ .*valgrind ]]; then
-  MODE="$1"
+if [[ "$MODE_ARG" =~ .*valgrind ]]; then
+  MODE="$MODE_ARG"
   VALGRIND=true
   PROXY='valgrind -s --leak-check=full --show-leak-kinds=all'
   TARGET=debug
 fi
 
+
 if [[ -n "$MODE" ]]; then
   shift
 fi
@@ -29,4 +39,4 @@ fi
 if [[ "$REBUILD" == true ]]; then
   make clean $TARGET
 fi
-LD_LIBRARY_PATH=./lib $PROXY ./cursed $@
+LD_LIBRARY_PATH=./lib $PROXY "$PROGRAM" $@