Add the beginning of a regression test.

So far it checks the overwrites of the BSD label inband (ie: dd
if=/dev/ad0a of=/dev/ad2a).

This excercises the geom::slice::hotspot code.

2 files changed, 113 insertions, 0 deletions

diff --git a/sbin/bsdlabel/Makefile b/sbin/bsdlabel/Makefile
index f0f400e..833a281 100644
--- a/sbin/bsdlabel/Makefile
+++ b/sbin/bsdlabel/Makefile
@@ -11,3 +11,6 @@ CFLAGS+= -DPC98
 .endif
 
 .include <bsd.prog.mk>
+
+test:	${PROG}
+	sh ${.CURDIR}/runtest.sh
diff --git a/sbin/bsdlabel/runtest.sh b/sbin/bsdlabel/runtest.sh
new file mode 100644
index 0000000..4778866
--- /dev/null
+++ b/sbin/bsdlabel/runtest.sh
@@ -0,0 +1,110 @@
+#!/bin/sh
+# $FreeBSD$
+
+TMP=/tmp/$$.
+set -e
+MD=`mdconfig -a -t malloc -s 2m`
+trap "exec 7</dev/null; rm -f ${TMP}* ; mdconfig -d -u ${MD}" EXIT INT TERM
+
+./bsdlabel -r -w $MD auto
+
+dd if=/dev/$MD of=${TMP}i0 count=16 > /dev/null 2>&1
+./bsdlabel $MD > ${TMP}l0
+sed '
+/  c:/{
+p
+s/c:/a:/
+s/4096/1024/
+}
+' ${TMP}l0 > ${TMP}l1
+./bsdlabel -R $MD ${TMP}l1
+dd if=/dev/$MD of=${TMP}i1 count=16 > /dev/null 2>&1
+sed '
+/  c:/{
+p
+s/c:/a:/
+s/4096/2048/
+}
+' ${TMP}l0 > ${TMP}l2
+./bsdlabel -R $MD ${TMP}l2
+dd if=/dev/$MD of=${TMP}i2 count=16 > /dev/null 2>&1
+
+exec 7< /dev/${MD}a
+
+for t in a c
+do
+	if dd if=${TMP}i2 of=/dev/${MD}$t 2>/dev/null ; then
+		echo "PASS: Could rewrite same label to ...$t while ...a open" 1>&2
+	else
+		echo "FAIL: Could not rewrite same label to ...$t while ...a open" 1>&2
+		exit 2
+	fi
+
+	if dd if=${TMP}i1 of=/dev/${MD}$t 2>/dev/null ; then
+		echo "FAIL: Could label with smaller ...a to ...$t while ...a open" 1>&2
+		exit 2
+	else
+		echo "PASS: Could not label with smaller ...a to ...$t while ...a open" 1>&2
+	fi
+
+	if dd if=${TMP}i0 of=/dev/${MD}$t 2>/dev/null ; then
+		echo "FAIL: Could write label missing ...a to ...$t while ...a open" 1>&2
+		exit 2
+	else
+		echo "PASS: Could not write label missing ...a to ...$t while ...a open" 1>&2
+	fi
+done
+
+exec 7< /dev/null
+
+if dd if=${TMP}i0 of=/dev/${MD}c 2>/dev/null ; then
+	echo "PASS: Could write missing ...a label to ...c" 1>&2
+else
+	echo "FAIL: Could not write missing ...a label to ...c" 1>&2
+	exit 2
+fi
+
+if dd if=${TMP}i2 of=/dev/${MD}c 2>/dev/null ; then
+	echo "PASS: Could write large ...a label to ...c" 1>&2
+else
+	echo "FAIL: Could not write large ...a label to ...c" 1>&2
+	exit 2
+fi
+
+if dd if=${TMP}i1 of=/dev/${MD}c 2>/dev/null ; then
+	echo "PASS: Could write small ...a label to ...c" 1>&2
+else
+	echo "FAIL: Could not write small ...a label to ...c" 1>&2
+	exit 2
+fi
+
+if dd if=${TMP}i2 of=/dev/${MD}a 2>/dev/null ; then
+	echo "PASS: Could increase size of ...a by writing to ...a" 1>&2
+else
+	echo "FAIL: Could not increase size of ...a by writing to ...a" 1>&2
+	exit 2
+fi
+
+if dd if=${TMP}i1 of=/dev/${MD}a 2>/dev/null ; then
+	echo "FAIL: Could decrease size of ...a by writing to ...a" 1>&2
+	exit 2
+else
+	echo "PASS: Could not decrease size of ...a by writing to ...a" 1>&2
+fi
+
+if dd if=${TMP}i0 of=/dev/${MD}a 2>/dev/null ; then
+	echo "FAIL: Could delete ...a by writing to ...a" 1>&2
+	exit 2
+else
+	echo "PASS: Could not delete ...a by writing to ...a" 1>&2
+fi
+
+if dd if=${TMP}i0 of=/dev/${MD}c 2>/dev/null ; then
+	echo "PASS: Could delete ...a by writing to ...c" 1>&2
+else
+	echo "FAIL: Could not delete ...a by writing to ...c" 1>&2
+	exit 2
+fi
+
+# XXX: need to add a 'b' partition and check for overlaps.
+exit 0