xref: /openbmc/u-boot/test/fs/fs-test.sh (revision 7da7ff54)
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0+
3#
4# (C) Copyright 2014 Suriyan Ramasami
5
6# Invoke this test script from U-Boot base directory as ./test/fs/fs-test.sh
7# It currently tests the fs/sb and native commands for ext4 and fat partitions
8# Expected results are as follows:
9# EXT4 tests:
10# fs-test.sb.ext4.out: Summary: PASS: 24 FAIL: 0
11# fs-test.ext4.out: Summary: PASS: 24 FAIL: 0
12# fs-test.fs.ext4.out: Summary: PASS: 24 FAIL: 0
13# FAT16 tests:
14# fs-test.sb.fat16.out: Summary: PASS: 24 FAIL: 0
15# fs-test.fat16.out: Summary: PASS: 21 FAIL: 3
16# fs-test.fs.fat16.out: Summary: PASS: 21 FAIL: 3
17# FAT32 tests:
18# fs-test.sb.fat32.out: Summary: PASS: 24 FAIL: 0
19# fs-test.fat32.out: Summary: PASS: 21 FAIL: 3
20# fs-test.fs.fat32.out: Summary: PASS: 21 FAIL: 3
21# Total Summary: TOTAL PASS: 204 TOTAL FAIL: 12
22
23# pre-requisite binaries list.
24PREREQ_BINS="md5sum mkfs mount umount dd fallocate mkdir"
25
26# All generated output files from this test will be in $OUT_DIR
27# Hence everything is sandboxed.
28OUT_DIR="sandbox/test/fs"
29
30# Location of generated sandbox u-boot
31UBOOT="./sandbox/u-boot"
32
33# Our mount directory will be in the sandbox
34MOUNT_DIR="${OUT_DIR}/mnt"
35
36# The file system image we create will have the $IMG prefix.
37IMG="${OUT_DIR}/3GB"
38
39# $SMALL_FILE is the name of the 1MB file in the file system image
40SMALL_FILE="1MB.file"
41
42# $BIG_FILE is the name of the 2.5GB file in the file system image
43BIG_FILE="2.5GB.file"
44
45# $MD5_FILE will have the expected md5s when we do the test
46# They shall have a suffix which represents their file system (ext4/fat16/...)
47MD5_FILE="${OUT_DIR}/md5s.list"
48
49# $OUT shall be the prefix of the test output. Their suffix will be .out
50OUT="${OUT_DIR}/fs-test"
51
52# Full Path of the 1 MB file that shall be created in the fs image.
53MB1="${MOUNT_DIR}/${SMALL_FILE}"
54GB2p5="${MOUNT_DIR}/${BIG_FILE}"
55
56# ************************
57# * Functions start here *
58# ************************
59
60# Check if the prereq binaries exist, or exit
61function check_prereq() {
62	for prereq in $PREREQ_BINS; do
63		if [ ! -x "`which $prereq`" ]; then
64			echo "Missing $prereq binary. Exiting!"
65			exit
66		fi
67	done
68
69	# We use /dev/urandom to create files. Check if it exists.
70	if [ ! -c /dev/urandom ]; then
71		echo "Missing character special /dev/urandom. Exiting!"
72		exit
73	fi
74}
75
76# If 1st param is "clean", then clean out the generated files and exit
77function check_clean() {
78	if [ "$1" = "clean" ]; then
79		rm -rf "$OUT_DIR"
80		echo "Cleaned up generated files. Exiting"
81		exit
82	fi
83}
84
85# Generate sandbox U-Boot - gleaned from /test/dm/test-dm.sh
86function compile_sandbox() {
87	unset CROSS_COMPILE
88	NUM_CPUS=$(cat /proc/cpuinfo |grep -c processor)
89	make O=sandbox sandbox_config
90	make O=sandbox -s -j${NUM_CPUS}
91
92	# Check if U-Boot exists
93	if [ ! -x "$UBOOT" ]; then
94		echo "$UBOOT does not exist or is not executable"
95		echo "Build error?"
96		echo "Please run this script as ./test/fs/`basename $0`"
97		exit
98	fi
99}
100
101# Clean out all generated files other than the file system images
102# We save time by not deleting and recreating the file system images
103function prepare_env() {
104	rm -f ${MD5_FILE}.* ${OUT}.*
105	mkdir -p ${OUT_DIR}
106}
107
108# 1st parameter is the name of the image file to be created
109# 2nd parameter is the filesystem - fat16 ext4 etc
110# -F cant be used with fat as it means something else.
111function create_image() {
112	# Create image if not already present - saves time, while debugging
113	case "$2" in
114		fat16)
115		MKFS_OPTION="-F 16"
116		FS_TYPE="fat"
117		;;
118		fat32)
119		MKFS_OPTION="-F 32"
120		FS_TYPE="fat"
121		;;
122		ext4)
123		MKFS_OPTION="-F"
124		FS_TYPE="ext4"
125		;;
126	esac
127
128	if [ ! -f "$1" ]; then
129		fallocate -l 3G "$1" &> /dev/null
130		if [ $? -ne 0 ]; then
131			echo fallocate failed - using dd instead
132			dd if=/dev/zero of=$1 bs=1024 count=$((3 * 1024 * 1024))
133			if [ $? -ne 0 ]; then
134				echo Could not create empty disk image
135				exit $?
136			fi
137		fi
138		mkfs -t "$FS_TYPE" $MKFS_OPTION "$1" &> /dev/null
139		if [ $? -ne 0 -a "$FS_TYPE" = "fat" ]; then
140			# If we fail and we did fat, try vfat.
141			mkfs -t vfat $MKFS_OPTION "$1" &> /dev/null
142		fi
143		if [ $? -ne 0 ]; then
144			echo Could not create filesystem
145			exit $?
146		fi
147	fi
148}
149
150# 1st parameter is image file
151# 2nd parameter is file system type - fat16/ext4/...
152# 3rd parameter is name of small file
153# 4th parameter is name of big file
154# 5th parameter is fs/nonfs/sb - to dictate generic fs commands or
155# otherwise or sb hostfs
156# 6th parameter is the directory path for the files. Its "" for generic
157# fs and ext4/fat and full patch for sb hostfs
158# UBOOT is set in env
159function test_image() {
160	addr="0x01000008"
161	length="0x00100000"
162
163	case "$2" in
164		fat*)
165		FPATH=""
166		PREFIX="fat"
167		WRITE="write"
168		;;
169
170		ext4)
171		# ext4 needs absolute path
172		FPATH="/"
173		PREFIX="ext4"
174		WRITE="write"
175		;;
176
177		*)
178		echo "Unhandled filesystem $2. Exiting!"
179		exit
180		;;
181	esac
182
183	case "$5" in
184		fs)
185		PREFIX=""
186		WRITE="save"
187		SUFFIX=" 0:0"
188		;;
189
190		nonfs)
191		SUFFIX=" 0:0"
192		;;
193
194		sb)
195		PREFIX="sb "
196		WRITE="save"
197		SUFFIX="fs -"
198		;;
199
200		*)
201		echo "Unhandled mode $5. Exiting!"
202		exit
203		;;
204
205	esac
206
207	# sb always uses full path to mointpoint, irrespective of filesystem
208	if [ "$5" = "sb" ]; then
209		FPATH=${6}/
210	fi
211
212	FILE_WRITE=${3}.w
213	FILE_SMALL=$3
214	FILE_BIG=$4
215
216	# In u-boot commands, <interface> stands for host or hostfs
217	# hostfs maps to the host fs.
218	# host maps to the "sb bind" that we do
219
220	$UBOOT << EOF
221sb=$5
222setenv bind 'if test "\$sb" != sb; then sb bind 0 "$1"; fi'
223run bind
224# Test Case 1 - ls
225${PREFIX}ls host${SUFFIX} $6
226# In addition, test with a nonexistent directory to see if we crash.
227${PREFIX}ls host${SUFFIX} invalid_d
228#
229# We want ${PREFIX}size host 0:0 $3 for host commands and
230# sb size hostfs - $3 for hostfs commands.
231# 1MB is 0x0010 0000
232# Test Case 2a - size of small file
233${PREFIX}size host${SUFFIX} ${FPATH}$FILE_SMALL
234printenv filesize
235setenv filesize
236# Test Case 2b - size of small file via a path using '..'
237${PREFIX}size host${SUFFIX} ${FPATH}SUBDIR/../$FILE_SMALL
238printenv filesize
239setenv filesize
240
241# 2.5GB (1024*1024*2500) is 0x9C40 0000
242# Test Case 3 - size of big file
243${PREFIX}size host${SUFFIX} ${FPATH}$FILE_BIG
244printenv filesize
245setenv filesize
246
247# Notes about load operation
248# If I use 0x01000000 I get DMA misaligned error message
249# Last two parameters are size and offset.
250
251# Test Case 4a - Read full 1MB of small file
252${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_SMALL
253printenv filesize
254# Test Case 4b - Read full 1MB of small file
255md5sum $addr \$filesize
256setenv filesize
257
258# Test Case 5a - First 1MB of big file
259${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_BIG $length 0x0
260printenv filesize
261# Test Case 5b - First 1MB of big file
262md5sum $addr \$filesize
263setenv filesize
264
265# fails for ext as no offset support
266# Test Case 6a - Last 1MB of big file
267${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_BIG $length 0x9C300000
268printenv filesize
269# Test Case 6b - Last 1MB of big file
270md5sum $addr \$filesize
271setenv filesize
272
273# fails for ext as no offset support
274# Test Case 7a - One from the last 1MB chunk of 2GB
275${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_BIG $length 0x7FF00000
276printenv filesize
277# Test Case 7b - One from the last 1MB chunk of 2GB
278md5sum $addr \$filesize
279setenv filesize
280
281# fails for ext as no offset support
282# Test Case 8a - One from the start 1MB chunk from 2GB
283${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_BIG $length 0x80000000
284printenv filesize
285# Test Case 8b - One from the start 1MB chunk from 2GB
286md5sum $addr \$filesize
287setenv filesize
288
289# fails for ext as no offset support
290# Test Case 9a - One 1MB chunk crossing the 2GB boundary
291${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_BIG $length 0x7FF80000
292printenv filesize
293# Test Case 9b - One 1MB chunk crossing the 2GB boundary
294md5sum $addr \$filesize
295setenv filesize
296
297# Generic failure case
298# Test Case 10 - 2MB chunk from the last 1MB of big file
299${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_BIG 0x00200000 0x9C300000
300printenv filesize
301#
302
303# Read 1MB from small file
304${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_SMALL
305# Write it back to test the writes
306# Test Case 11a - Check that the write succeeded
307${PREFIX}${WRITE} host${SUFFIX} $addr ${FPATH}$FILE_WRITE \$filesize
308mw.b $addr 00 100
309${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_WRITE
310# Test Case 11b - Check md5 of written to is same as the one read from
311md5sum $addr \$filesize
312setenv filesize
313#
314
315# Next test case checks writing a file whose dirent
316# is the first in the block, which is always true for "."
317# The write should fail, but the lookup should work
318# Test Case 12 - Check directory traversal
319${PREFIX}${WRITE} host${SUFFIX} $addr ${FPATH}. 0x10
320
321# Read 1MB from small file
322${PREFIX}load host${SUFFIX} $addr ${FPATH}$FILE_SMALL
323# Write it via "same directory", i.e. "." dirent
324# Test Case 13a - Check directory traversal
325${PREFIX}${WRITE} host${SUFFIX} $addr ${FPATH}./${FILE_WRITE}2 \$filesize
326mw.b $addr 00 100
327${PREFIX}load host${SUFFIX} $addr ${FPATH}./${FILE_WRITE}2
328# Test Case 13b - Check md5 of written to is same as the one read from
329md5sum $addr \$filesize
330setenv filesize
331mw.b $addr 00 100
332${PREFIX}load host${SUFFIX} $addr ${FPATH}${FILE_WRITE}2
333# Test Case 13c - Check md5 of written to is same as the one read from
334md5sum $addr \$filesize
335setenv filesize
336#
337reset
338
339EOF
340}
341
342# 1st argument is the name of the image file.
343# 2nd argument is the file where we generate the md5s of the files
344# generated with the appropriate start and length that we use to test.
345# It creates the necessary files in the image to test.
346# $GB2p5 is the path of the big file (2.5 GB)
347# $MB1 is the path of the small file (1 MB)
348# $MOUNT_DIR is the path we can use to mount the image file.
349function create_files() {
350	# Mount the image so we can populate it.
351	mkdir -p "$MOUNT_DIR"
352	sudo mount -o loop,rw "$1" "$MOUNT_DIR"
353
354	# Create a subdirectory.
355	sudo mkdir -p "$MOUNT_DIR/SUBDIR"
356
357	# Create big file in this image.
358	# Note that we work only on the start 1MB, couple MBs in the 2GB range
359	# and the last 1 MB of the huge 2.5GB file.
360	# So, just put random values only in those areas.
361	if [ ! -f "${GB2p5}" ]; then
362		sudo dd if=/dev/urandom of="${GB2p5}" bs=1M count=1 \
363			&> /dev/null
364		sudo dd if=/dev/urandom of="${GB2p5}" bs=1M count=2 seek=2047 \
365			&> /dev/null
366		sudo dd if=/dev/urandom of="${GB2p5}" bs=1M count=1 seek=2499 \
367			&> /dev/null
368	fi
369
370	# Create a small file in this image.
371	if [ ! -f "${MB1}" ]; then
372		sudo dd if=/dev/urandom of="${MB1}" bs=1M count=1 \
373			&> /dev/null
374	fi
375
376	# Delete the small file copies which possibly are written as part of a
377	# previous test.
378	sudo rm -f "${MB1}.w"
379	sudo rm -f "${MB1}.w2"
380
381	# Generate the md5sums of reads that we will test against small file
382	dd if="${MB1}" bs=1M skip=0 count=1 2> /dev/null | md5sum > "$2"
383
384	# Generate the md5sums of reads that we will test against big file
385	# One from beginning of file.
386	dd if="${GB2p5}" bs=1M skip=0 count=1 \
387		2> /dev/null | md5sum >> "$2"
388
389	# One from end of file.
390	dd if="${GB2p5}" bs=1M skip=2499 count=1 \
391		2> /dev/null | md5sum >> "$2"
392
393	# One from the last 1MB chunk of 2GB
394	dd if="${GB2p5}" bs=1M skip=2047 count=1 \
395		2> /dev/null | md5sum >> "$2"
396
397	# One from the start 1MB chunk from 2GB
398	dd if="${GB2p5}" bs=1M skip=2048 count=1 \
399		2> /dev/null | md5sum >> "$2"
400
401	# One 1MB chunk crossing the 2GB boundary
402	dd if="${GB2p5}" bs=512K skip=4095 count=2 \
403		2> /dev/null | md5sum >> "$2"
404
405	sync
406	sudo umount "$MOUNT_DIR"
407	rmdir "$MOUNT_DIR"
408}
409
410# 1st parameter is the text to print
411# if $? is 0 its a pass, else a fail
412# As a side effect it shall update env variable PASS and FAIL
413function pass_fail() {
414	if [ $? -eq 0 ]; then
415		echo pass - "$1"
416		PASS=$((PASS + 1))
417	else
418		echo FAIL - "$1"
419		FAIL=$((FAIL + 1))
420	fi
421}
422
423# 1st parameter is the string which leads to an md5 generation
424# 2nd parameter is the file we grep, for that string
425# 3rd parameter is the name of the file which has md5s in it
426# 4th parameter is the line # in the md5 file that we match it against
427# This function checks if the md5 of the file in the sandbox matches
428# that calculated while generating the file
429# 5th parameter is the string to print with the result
430check_md5() {
431	# md5sum in u-boot has output of form:
432	# md5 for 01000008 ... 01100007 ==> <md5>
433	# the 7th field is the actual md5
434	md5_src=`grep -A2 "$1" "$2" | grep "md5 for" | tr -d '\r'`
435	md5_src=($md5_src)
436	md5_src=${md5_src[6]}
437
438	# The md5 list, each line is of the form:
439	# - <md5>
440	# the 2nd field is the actual md5
441	md5_dst=`sed -n $4p $3`
442	md5_dst=($md5_dst)
443	md5_dst=${md5_dst[0]}
444
445	# For a pass they should match.
446	[ "$md5_src" = "$md5_dst" ]
447	pass_fail "$5"
448}
449
450# 1st parameter is the name of the output file to check
451# 2nd parameter is the name of the file containing the md5 expected
452# 3rd parameter is the name of the small file
453# 4th parameter is the name of the big file
454# 5th paramter is the name of the written file
455# This function checks the output file for correct results.
456function check_results() {
457	echo "** Start $1"
458
459	PASS=0
460	FAIL=0
461
462	# Check if the ls is showing correct results for 2.5 gb file
463	grep -A7 "Test Case 1 " "$1" | egrep -iq "2621440000 *$4"
464	pass_fail "TC1: ls of $4"
465
466	# Check if the ls is showing correct results for 1 mb file
467	grep -A7 "Test Case 1 " "$1" | egrep -iq "1048576 *$3"
468	pass_fail "TC1: ls of $3"
469
470	# Check size command on 1MB.file
471	egrep -A3 "Test Case 2a " "$1" | grep -q "filesize=100000"
472	pass_fail "TC2: size of $3"
473	# Check size command on 1MB.file via a path using '..'
474	egrep -A3 "Test Case 2b " "$1" | grep -q "filesize=100000"
475	pass_fail "TC2: size of $3 via a path using '..'"
476
477	# Check size command on 2.5GB.file
478	egrep -A3 "Test Case 3 " "$1" | grep -q "filesize=9c400000"
479	pass_fail "TC3: size of $4"
480
481	# Check read full mb of 1MB.file
482	grep -A4 "Test Case 4a " "$1" | grep -q "filesize=100000"
483	pass_fail "TC4: load of $3 size"
484	check_md5 "Test Case 4b " "$1" "$2" 1 "TC4: load from $3"
485
486	# Check first mb of 2.5GB.file
487	grep -A4 "Test Case 5a " "$1" | grep -q "filesize=100000"
488	pass_fail "TC5: load of 1st MB from $4 size"
489	check_md5 "Test Case 5b " "$1" "$2" 2 "TC5: load of 1st MB from $4"
490
491	# Check last mb of 2.5GB.file
492	grep -A4 "Test Case 6a " "$1" | grep -q "filesize=100000"
493	pass_fail "TC6: load of last MB from $4 size"
494	check_md5 "Test Case 6b " "$1" "$2" 3 "TC6: load of last MB from $4"
495
496	# Check last 1mb chunk of 2gb from 2.5GB file
497	grep -A4 "Test Case 7a " "$1" | grep -q "filesize=100000"
498	pass_fail "TC7: load of last 1mb chunk of 2GB from $4 size"
499	check_md5 "Test Case 7b " "$1" "$2" 4 \
500		"TC7: load of last 1mb chunk of 2GB from $4"
501
502	# Check first 1mb chunk after 2gb from 2.5GB file
503	grep -A4 "Test Case 8a " "$1" | grep -q "filesize=100000"
504	pass_fail "TC8: load 1st MB chunk after 2GB from $4 size"
505	check_md5 "Test Case 8b " "$1" "$2" 5 \
506		"TC8: load 1st MB chunk after 2GB from $4"
507
508	# Check 1mb chunk crossing the 2gb boundary from 2.5GB file
509	grep -A4 "Test Case 9a " "$1" | grep -q "filesize=100000"
510	pass_fail "TC9: load 1MB chunk crossing 2GB boundary from $4 size"
511	check_md5 "Test Case 9b " "$1" "$2" 6 \
512		"TC9: load 1MB chunk crossing 2GB boundary from $4"
513
514	# Check 2mb chunk from the last 1MB of 2.5GB file loads 1MB
515	grep -A5 "Test Case 10 " "$1" | grep -q "filesize=100000"
516	pass_fail "TC10: load 2MB from the last 1MB of $4 loads 1MB"
517
518	# Check 1mb chunk write
519	grep -A2 "Test Case 11a " "$1" | grep -q '1048576 bytes written'
520	pass_fail "TC11: 1MB write to $3.w - write succeeded"
521	check_md5 "Test Case 11b " "$1" "$2" 1 \
522		"TC11: 1MB write to $3.w - content verified"
523
524	# Check lookup of 'dot' directory
525	grep -A4 "Test Case 12 " "$1" | grep -q 'Unable to write file'
526	pass_fail "TC12: 1MB write to . - write denied"
527
528	# Check directory traversal
529	grep -A2 "Test Case 13a " "$1" | grep -q '1048576 bytes written'
530	pass_fail "TC13: 1MB write to ./$3.w2 - write succeeded"
531	check_md5 "Test Case 13b " "$1" "$2" 1 \
532		"TC13: 1MB read from ./$3.w2 - content verified"
533	check_md5 "Test Case 13c " "$1" "$2" 1 \
534		"TC13: 1MB read from $3.w2 - content verified"
535
536	echo "** End $1"
537}
538
539# Takes in one parameter which is "fs" or "nonfs", which then dictates
540# if a fs test (size/load/save) or a nonfs test (fatread/extread) needs to
541# be performed.
542function test_fs_nonfs() {
543	echo "Creating files in $fs image if not already present."
544	create_files $IMAGE $MD5_FILE_FS
545
546	OUT_FILE="${OUT}.$1.${fs}.out"
547	test_image $IMAGE $fs $SMALL_FILE $BIG_FILE $1 "" \
548		> ${OUT_FILE} 2>&1
549	# strip out noise from fs code
550	grep -v -e "File System is consistent\|update journal finished" \
551		-e "reading .*\.file\|writing .*\.file.w" \
552		< ${OUT_FILE} > ${OUT_FILE}_clean
553	check_results ${OUT_FILE}_clean $MD5_FILE_FS $SMALL_FILE \
554		$BIG_FILE
555	TOTAL_FAIL=$((TOTAL_FAIL + FAIL))
556	TOTAL_PASS=$((TOTAL_PASS + PASS))
557	echo "Summary: PASS: $PASS FAIL: $FAIL"
558	echo "--------------------------------------------"
559}
560
561# ********************
562# * End of functions *
563# ********************
564
565check_clean "$1"
566check_prereq
567compile_sandbox
568prepare_env
569
570# Track TOTAL_FAIL and TOTAL_PASS
571TOTAL_FAIL=0
572TOTAL_PASS=0
573
574# In each loop, for a given file system image, we test both the
575# fs command, like load/size/write, the file system specific command
576# like: ext4load/ext4size/ext4write and the sb load/ls/save commands.
577for fs in ext4 fat16 fat32; do
578
579	echo "Creating $fs image if not already present."
580	IMAGE=${IMG}.${fs}.img
581	MD5_FILE_FS="${MD5_FILE}.${fs}"
582	create_image $IMAGE $fs
583
584	# sb commands test
585	echo "Creating files in $fs image if not already present."
586	create_files $IMAGE $MD5_FILE_FS
587
588	# Lets mount the image and test sb hostfs commands
589	mkdir -p "$MOUNT_DIR"
590	case "$fs" in
591		fat*)
592		uid="uid=`id -u`"
593		;;
594		*)
595		uid=""
596		;;
597	esac
598	sudo mount -o loop,rw,$uid "$IMAGE" "$MOUNT_DIR"
599	sudo chmod 777 "$MOUNT_DIR"
600
601	OUT_FILE="${OUT}.sb.${fs}.out"
602	test_image $IMAGE $fs $SMALL_FILE $BIG_FILE sb `pwd`/$MOUNT_DIR \
603		> ${OUT_FILE} 2>&1
604	sudo umount "$MOUNT_DIR"
605	rmdir "$MOUNT_DIR"
606
607	check_results $OUT_FILE $MD5_FILE_FS $SMALL_FILE $BIG_FILE
608	TOTAL_FAIL=$((TOTAL_FAIL + FAIL))
609	TOTAL_PASS=$((TOTAL_PASS + PASS))
610	echo "Summary: PASS: $PASS FAIL: $FAIL"
611	echo "--------------------------------------------"
612
613	test_fs_nonfs nonfs
614	test_fs_nonfs fs
615done
616
617echo "Total Summary: TOTAL PASS: $TOTAL_PASS TOTAL FAIL: $TOTAL_FAIL"
618echo "--------------------------------------------"
619if [ $TOTAL_FAIL -eq 0 ]; then
620	echo "PASSED"
621	exit 0
622else
623	echo "FAILED"
624	exit 1
625fi
626