Fixed PREFIX in Makefile, added several tests in tests/

tests/test_clean_state.sh

@@ -0,0 +1,58 @@
+source $(dirname ${BASH_SOURCE})/../cmdarg.sh
+
+function shunittest_clean_state()
+{
+    # Tests that cmdarg_purge ensures an empty config state
+    function parse1()
+    {
+	cmdarg 'a:' 'a' 'some arg'
+	cmdarg 'b' 'b' 'some arg'
+	cmdarg_parse "$@"
+    }
+
+    function parse2()
+    {
+	cmdarg_purge
+	cmdarg_parse "$@"
+    }
+
+    # This cleans the state from shunit
+    cmdarg_purge
+    parse1 -a 3 -b
+    parse2
+    if [[ "${cmdarg_cfg['a']}" == "" ]]; then
+	return 0
+    else
+	cmdarg_dump
+	return 1
+    fi
+}
+
+function shunittest_clean_state_subshells()
+{
+    # Ensures that, when subsequent cmdarg invocations occur in subshells,
+    # that the initial state is empty even without having called cmdarg_purge
+
+    # This is just here to clean the state from shunit
+    cmdarg_purge
+    function parse1()
+    {
+	cmdarg 'a:' 'a' 'some arg'
+	cmdarg 'b' 'b' 'some arg'
+	cmdarg_parse "$@"
+    }
+
+    function parse2()
+    {
+	cmdarg_parse "$@"
+    }
+
+    (parse1 -a 3 -b)
+    (parse2)
+    if [[ "${cmdarg_cfg['a']}" == "" ]]; then
+	return 0
+    else
+	cmdarg_dump
+	return 1
+    fi
+}