combine test directories

This fixes #295.

test/units/is_older_than

@@ -0,0 +1,83 @@
+#!/bin/sh
+# unit test for is_older_than code of baselayout (2008/06/19)
+# Author: Matthias Schwarzott <zzam@gentoo.org>
+
+TMPDIR=tmp-"$(basename "$0")"
+
+# Please note that we added this unit test because the function
+# should really be called is_newer_than as it's what it's really testing.
+# Or more perversly, returning 0 on failure and 1 and success.
+
+# bool is_older_than(reference, files/dirs to check)
+#
+#   return 0 if any of the files/dirs are newer than
+#   the reference file
+#
+#   EXAMPLE: if is_older_than a.out *.o ; then ...
+ref_is_older_than()
+{
+	local x= ref="$1"
+	shift
+
+	for x; do
+		[ "${x}" -nt "${ref}" ] && return 0
+		if [ -d "${x}" ]; then
+			ref_is_older_than "${ref}" "${x}"/* && return 0
+		fi
+	done
+	return 1
+}
+
+do_test()
+{
+	local r1= r2=
+
+	ref_is_older_than "$@"
+	r1=$?
+	is_older_than "$@"
+	r2=$?
+
+	[ -n "${VERBOSE}" ] && echo "reference = $r1  |  OpenRC = $r2"
+	[ $r1 = $r2 ]
+}
+
+echo_cmd()
+{
+	[ -n "${VERBOSE}" ] && echo "$@"
+	"$@"
+}
+
+test_it()
+{
+	do_test "${TMPDIR}"/ref "${TMPDIR}"/dir1 "${TMPDIR}"/dir2
+}
+
+run_test()
+{
+	echo_cmd mkdir -p "${TMPDIR}"/dir1 "${TMPDIR}"/dir2
+	echo_cmd touch "${TMPDIR}"/dir1/f1 "${TMPDIR}"/dir1/f2 \
+		"${TMPDIR}"/dir1/f3 "${TMPDIR}"/dir2/f1 \
+		"${TMPDIR}"/dir2/f2 "${TMPDIR}"/dir2/f3
+	echo_cmd sleep 1
+	echo_cmd touch "${TMPDIR}"/ref
+	test_it || return 1
+
+	echo_cmd sleep 1
+	echo_cmd touch "${TMPDIR}"/dir1/f2
+	test_it || return 1
+
+	echo_cmd sleep 1
+	echo_cmd touch "${TMPDIR}"/ref
+	test_it || return 1
+
+	echo_cmd sleep 1
+	echo_cmd touch "${TMPDIR}"/dir2/f2
+	test_it || return 1
+}
+
+rm -rf "${TMPDIR}"
+mkdir "${TMPDIR}"
+run_test
+retval=$?
+rm -rf "${TMPDIR}"
+exit ${retval}