zdtm: add script to execute test cases

If you execute this script without arguments, it will execute
all test cases, which should pass.

Or the first argument may be a path to the test case.
Signed-off-by: Andrey Vagin <avagin@openvz.org>
Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>

test/zdtm.sh

+#!/bin/bash
+
+TEST_LIST="\
+zdtm/live/static/pipe00
+zdtm/live/static/busyloop00
+zdtm/live/static/cwd00
+zdtm/live/static/env00
+zdtm/live/static/shm
+zdtm/live/static/maps00
+zdtm/live/static/write_read00
+zdtm/live/static/wait00"
+
+CRTOOLS=`pwd`/`dirname $0`/../crtools
+
+run_test()
+{
+	test=$1
+	tname=`basename $test`
+	tdir=`dirname $test`
+
+	killall -9 $tname
+	make -C $tdir cleanout $tname.pid
+	pid=`cat $test.pid`
+	ddump="dump/$tname/$pid"
+	mkdir -p $ddump
+	setsid $CRTOOLS -D $ddump -o dump.log -d -t $pid || return 1
+	while :; do
+		killall -9 $tname &> /dev/null || break;
+		echo Waiting...
+		sleep 1
+	done
+	setsid $CRTOOLS -D $ddump -o restore.log -r -t $pid &
+	sleep 1
+	make -C $tdir $tname.out
+	wait || return 1
+	for i in `seq 5`; do
+		test -f $test.out && break;
+		echo Waiting...
+		sleep 1
+	done
+	cat $test.out
+	cat $test.out | grep PASS || return 1
+}
+
+if [ $# -eq 0 ]; then
+	cd `dirname $0` || exit 1
+	for t in $TEST_LIST; do
+		run_test $t || exit 1
+	done
+else
+	run_test $@
+fi