From 2f5d2855ba5497106a3b3ca02c242fb490bb425b Mon Sep 17 00:00:00 2001
From: Roy Marples <roy@marples.name>
Date: Thu, 3 Jul 2008 12:07:46 +0000
Subject: Add an is_older_than unit test, thanks to zzam

---
 src/test/runtests.sh         | 11 ++++++++
 src/test/units/is_older_than | 63 ++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 74 insertions(+)
 create mode 100755 src/test/units/is_older_than

diff --git a/src/test/runtests.sh b/src/test/runtests.sh
index 01e4dd8f..40fe1511 100755
--- a/src/test/runtests.sh
+++ b/src/test/runtests.sh
@@ -66,4 +66,15 @@ syms=$(diff -u librc.funcs.hidden.list librc.funcs.hidden.out | sed -n '/^+[^+]/
 eend $? "Missing hidden defs:"$'\n'"${syms}"
 ret=$(($ret + $?))
 
+einfo "Running unit tests"
+eindent
+cd units
+for u in *; do
+	[ -x "${u}" -a -f "${u}" ] || continue
+	ebegin "${u}"
+	./"${u}"
+	eend $?
+	ret=$(($ret + $?))
+done
+
 exit ${ret}
diff --git a/src/test/units/is_older_than b/src/test/units/is_older_than
new file mode 100755
index 00000000..8c6d23aa
--- /dev/null
+++ b/src/test/units/is_older_than
@@ -0,0 +1,63 @@
+#!/bin/sh
+# unit test for is_older_than code of baselayout (2008/06/19)
+# Author: Matthias Schwarzott <zzam@gentoo.org>
+
+RCDIR=../../rc
+TMPDIR=tmp-"$(basename "$0")"
+
+# 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 ...
+is_older_than() {
+	local x= ref="$1"
+	shift
+
+	for x in; do
+		[ "${x}" -nt "${ref}" ] && return 0
+		[ -d "${x}" ] && is_older_than "${ref}" "${x}"/* && return 0
+	done
+	return 1
+}
+
+rm -rf "${TMPDIR}"
+mkdir "${TMPDIR}"
+ln -s ../"${RCDIR}"/rc "${TMPDIR}"/is_older_than
+
+do_test() {
+	local r1= r2=
+
+	is_older_than "$@"
+	r1=$?
+	./"${TMPDIR}"/is_older_than "$@"
+	r2=$?
+
+	[ $r1 = $r2 ]
+}
+
+test_it() {
+	do_test "${TMPDIR}"/ref "${TMPDIR}"/dir1 "${TMPDIR}"/dir2 || exit 1
+}
+
+mkdir -p "${TMPDIR}"/dir1 "${TMPDIR}"/dir2
+touch "${TMPDIR}"/dir1/f1 "${TMPDIR}"/dir1/f2 "${TMPDIR}"/dir1/f3 "${TMPDIR}"/dir2/f1 "${TMPDIR}"/dir2/f2 "${TMPDIR}"/dir2/f3
+sleep 1
+touch "${TMPDIR}"/ref
+test_it
+
+sleep 1
+touch "${TMPDIR}"/dir1/f2
+test_it
+
+sleep 1
+touch "${TMPDIR}"/ref
+test_it
+
+sleep 1
+touch "${TMPDIR}"/dir2/f2
+test_it
+
+rm -rf "${TMPDIR}"
+exit 0
-- 
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