add a little test

test.sh → test/test.sh

@@ -19,8 +19,8 @@
 # echo
 
 
-. ./wait_for_pid_exit.sh
-
-echo test5
-(wait_for_pid_exit 45591 4 17)
-echo "test5 done"
+# . ./wait_for_pid_exit.sh
+# 
+# echo test5
+# (wait_for_pid_exit 45591 4 17)
+# echo "test5 done"

test/test_assert_arg.sh

@@ -0,0 +1,32 @@
+#!/bin/sh
+
+. ../lib.sh
+
+echo "testing assert_arg"
+
+global_error=0
+
+expect=1
+result=`assert_arg`
+if [ $? -ne $expect ]; then
+	echo "assert_arg with no parameter fails"
+	global_error=1
+fi
+echo .
+
+expect=0
+result=`assert_arg foo`
+if [ $? -ne $expect ]; then
+	echo "assert_arg with parameter does not pass"
+	global_error=1
+	echo .
+fi
+echo .
+
+if [ $global_error -ne 0 ]; then
+	echo "one or more tests failed"
+	exit 1
+else
+	echo "all tests pass"
+	exit 0
+fi