aconversions: test script fiddling

tests.aconversion.sh

 #!/usr/bin/env bash
-TESTCASE_ITERATIONS=150
-TESTCASE_TIMEOUT=7
+TESTCASE_ITERATIONS=200
+TESTCASE_TIMEOUT=5
 LOGFILE="log_tests.txt"
+RAND_STATES=18
+RAND_DENSITY="2.5"
+RAND_ALPHABET=4
+
 EXECUTABLES="arand aepsilon atrim adeterminize aminimize anormalize adiff.automaton aconversion"
 # ----------------------------
@@ -36,16 +40,11 @@ function compare {
 	return $RET
 }
-# generates random NFA with $1 density, $2 states and $3 elements of alphabet
-function generate {
-	# ./arand -d $1 -n $2 -a $3
-	./arand -d $1 -n $(( $RANDOM % $2 + 1 )) -a $(( $RANDOM % $3 + 1 ))
-}
-
 # $1 = command for conversion. Output of such command must be (eps-)NFA !!
 function runTest2 {
 	TMPNFA="nfa.xml"
-	echo "$(generate 3 15 3)" > $TMPNFA
+
+	./arand -d $RAND_DENSITY -n $(( $RANDOM % $RAND_STATES + 1 )) -a $(( $RANDOM % $RAND_ALPHABET + 1 )) > $TMPNFA
 	TMP=$(timeout $TESTCASE_TIMEOUT bash -c "cat $TMPNFA | $1")
 	RETTMP=$?