Regression tests for upcoming makeup of mv.

Case 20 corresponds to PR bin/118367.

tools/regression/bin/mv/Makefile

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+# $FreeBSD$
+
+all:
+	sh regress.sh

tools/regression/bin/mv/regress.sh

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+#!/bin/sh
+# $FreeBSD$
+
+# A directory in a device different from that where the tests are run
+TMPDIR=/tmp/regress.$$
+COUNT=0
+
+# Begin an individual test
+begin()
+{
+	COUNT=`expr $COUNT + 1`
+	OK=1
+	if [ -z "$FS" ]
+	then
+		NAME="$1"
+	else
+		NAME="$1 (cross device)"
+	fi
+	rm -rf testdir $TMPDIR/testdir
+	mkdir -p testdir $TMPDIR/testdir
+	cd testdir
+}
+
+# End an individual test
+end()
+{
+	if [ $OK = 1 ]
+	then
+		echo -n 'ok '
+	else
+		echo -n 'not ok '
+	fi
+	echo "$COUNT - $NAME"
+	cd ..
+	rm -rf testdir $TMPDIR/testdir
+}
+
+# Make a file that can later be verified
+mkf()
+{
+	CN=`basename $1`
+	echo "$CN-$CN" >$1
+}
+
+# Verify that the file specified is correct
+ckf()
+{
+	if [ -f $2 ] && echo "$1-$1" | diff -q - $2
+	then
+		ok
+	else
+		notok
+	fi
+}
+
+# Make a fifo that can later be verified
+mkp()
+{
+	mkfifo $1
+}
+
+# Verify that the file specified is correct
+ckp()
+{
+	if [ -p $2 ]
+	then
+		ok
+	else
+		notok
+	fi
+}
+
+# Make a directory that can later be verified
+mkd()
+{
+	CN=`basename $1`
+	mkdir -p $1/"$CN-$CN"
+}
+
+# Verify that the directory specified is correct
+ckd()
+{
+	if [ -d $2/$1-$1 ]
+	then
+		ok
+	else
+		notok
+	fi
+}
+
+# A part of a test succeeds
+ok()
+{
+	:
+}
+
+# A part of a test fails
+notok()
+{
+	OK=0
+}
+
+# Run all tests locally and across devices
+echo 1..24
+for FS in '' $TMPDIR/testdir/
+do
+	begin 'Rename file'
+	mkf fa
+	mv fa ${FS}fb
+	ckf fa ${FS}fb
+	end
+
+	begin 'Move files into directory'
+	mkf fa
+	mkf fb
+	mkdir -p ${FS}1/2/3
+	mv fa fb ${FS}1/2/3
+	ckf fa ${FS}1/2/3/fa
+	ckf fb ${FS}1/2/3/fb
+	end
+
+	begin 'Move file from directory to file'
+	mkdir -p 1/2/3
+	mkf 1/2/3/fa
+	mv 1/2/3/fa ${FS}fb
+	ckf fa ${FS}fb
+	end
+
+	begin 'Move file from directory to directory'
+	mkdir -p da1/da2/da3
+	mkdir -p ${FS}db1/db2/db3
+	mkf da1/da2/da3/fa
+	mv da1/da2/da3/fa ${FS}db1/db2/db3/fb
+	ckf fa ${FS}db1/db2/db3/fb
+	end
+
+	begin 'Rename directory'
+	mkd da
+	mv da ${FS}db
+	ckd da ${FS}db
+	end
+
+	begin 'Move directory to directory name'
+	mkd da1/da2/da3/da
+	mkdir -p ${FS}db1/db2/db3
+	mv da1/da2/da3/da ${FS}db1/db2/db3/db
+	ckd da ${FS}db1/db2/db3/db
+	end
+
+	begin 'Move directory to directory'
+	mkd da1/da2/da3/da
+	mkdir -p ${FS}db1/db2/db3
+	mv da1/da2/da3/da ${FS}db1/db2/db3
+	ckd da ${FS}db1/db2/db3/da
+	end
+
+	begin 'Move directory to existing directory'
+	mkd da1/da2/da3/da
+	mkdir -p ${FS}db1/db2/db3/da
+	mv da1/da2/da3/da ${FS}db1/db2/db3
+	ckd da ${FS}db1/db2/db3/da
+	end
+
+	begin 'Rename fifo'
+	mkp fa
+	mv fa ${FS}fb
+	ckp fa ${FS}fb
+	end
+
+	begin 'Move fifos into directory'
+	mkp fa
+	mkp fb
+	mkdir -p ${FS}1/2/3
+	mv fa fb ${FS}1/2/3
+	ckp fa ${FS}1/2/3/fa
+	ckp fb ${FS}1/2/3/fb
+	end
+
+	begin 'Move fifo from directory to fifo'
+	mkdir -p 1/2/3
+	mkp 1/2/3/fa
+	mv 1/2/3/fa ${FS}fb
+	ckp fa ${FS}fb
+	end
+
+	begin 'Move fifo from directory to directory'
+	mkdir -p da1/da2/da3
+	mkdir -p ${FS}db1/db2/db3
+	mkp da1/da2/da3/fa
+	mv da1/da2/da3/fa ${FS}db1/db2/db3/fb
+	ckp fa ${FS}db1/db2/db3/fb
+	end
+done

tools/regression/bin/mv/regress.t

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+#!/bin/sh
+# $FreeBSD$
+
+cd `dirname $0`
+
+sh regress.sh