zzuf/test/check-utils
Sam Hocevar 60e1d2f001 test: use the -d flag in unit tests so that we can find potential
errors in the debug() function calls.
2015-01-19 23:10:14 +01:00

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#!/bin/sh
#
# check-utils - check that zzuf properly fuzzes common utilities
#
# Copyright © 2002—2015 Sam Hocevar <sam@hocevar.net>
#
# This program is free software. It comes without any warranty, to
# the extent permitted by applicable law. You can redistribute it
# and/or modify it under the terms of the Do What the Fuck You Want
# to Public License, Version 2, as published by the WTFPL Task Force.
# See http://www.wtfpl.net/ for more details.
#
. "$(dirname "$0")/functions.inc"
HAVE_GETLINE=$("$ZZAT" -l | grep >/dev/null 2>&1 '^ getline(' && echo "y")
HAVE_GETDELIM=$("$ZZAT" -l | grep >/dev/null 2>&1 '^ getdelim(' && echo "y")
HAVE_GETC_UNLOCKED=$("$ZZAT" -l | grep >/dev/null 2>&1 '^ getc_unlocked(' && echo "y")
HAVE_FGETC_UNLOCKED=$("$ZZAT" -l | grep >/dev/null 2>&1 '^ fgetc_unlocked(' && echo "y")
HAVE___FREAD_CHK=$("$ZZAT" -l | grep >/dev/null 2>&1 '^ __fread_chk(' && echo "y")
checkutils()
{
r=$1
f=$2
file="$DIR/file-$f"
# add -d on purpose here so we can detect bugs in debug() calls
ZZOPTS="-d -s $seed -r $r"
case $file in
*text*) ZZOPTS="$ZZOPTS -P '\\n' -R '\\000'" ;;
esac
echo "*** file $file, ratio $r ***"
REFMD5=""
if [ $r = 0.0 -a $f = 00 ]; then
check="bb7df04e1b0a2570657527a7e108ae23"
echo "*** should be $check ***"
check "$ZZOPTS" "< $file" "zzuf" "$check"
else
check "$ZZOPTS" "< $file" "zzuf"
fi
if [ "$STATIC_CAT" = "" ]; then
check "$ZZOPTS" "cat $file" "cat"
check "$ZZOPTS" "-i cat < $file" "|cat"
fi
if [ "$STATIC_DD" = "" ]; then
check "$ZZOPTS" "dd bs=65536 if=$file" "dd(bs=65536)"
check "$ZZOPTS" "dd bs=1111 if=$file" "dd(bs=1111)"
check "$ZZOPTS" "dd bs=1024 if=$file" "dd(bs=1024)"
check "$ZZOPTS" "dd bs=1 if=$file" "dd(bs=1)"
fi
case $file in
*text*)
# We don't include grep or sed when the input is not text, because
# they put a newline at the end of their input if it was not there
# initially. (Linux sed doesn't, but OS X sed does.)
check "$ZZOPTS" "head -n 9999 $file" "head -n 9999"
check "$ZZOPTS" "${TAILN}9999 $file" "${TAILN}9999"
check "$ZZOPTS" "${TAILP}1 $file" "${TAILP}1"
if grep -a '' /dev/null >/dev/null 2>&1; then
check "$ZZOPTS" "grep -a '' $file" "grep -a ''"
fi
check "$ZZOPTS" "sed -e n $file" "sed -e n"
#check "$ZZOPTS" "cut -b1- $file" "cut -b1-"
check "$ZZOPTS" "-i head -n 9999 < $file" "|head -n 9999"
check "$ZZOPTS" "-i ${TAILN}9999 < $file" "|${TAILN}9999"
check "$ZZOPTS" "-i ${TAILP}1 < $file" "|${TAILP}1"
if grep -a '' /dev/null >/dev/null 2>&1; then
check "$ZZOPTS" "-i grep -a '' < $file" "|grep -a ''"
fi
check "$ZZOPTS" "-i sed -e n < $file" "|sed -e n"
#check "$ZZOPTS" "-i cut -b1- < $file" "|cut -b1-"
;;
esac
# Regression tests for stuff that used to break
check "$ZZOPTS" "$ZZAT -x \"fread(1,33000) fseek(1,SEEK_SET) fread(1,1) fseek(4093,SEEK_CUR) fread(1,1) fseek(1,SEEK_CUR) fread(1,1)\" $file" \
"eglibc (2.9-21) bug regression"
if [ "$HAVE_GETC_UNLOCKED $HAVE_GETLINE" = "y y" ]; then
check "$ZZOPTS" "$ZZAT -x \"repeat(33000,getc_unlocked(),feof(10),ungetc(),getline())\" $file" \
"sed getc_unlocked() bug regression"
fi
if [ "$HAVE___FREAD_CHK" = "y" ]; then
check "$ZZOPTS" "$ZZAT -x \"repeat(-1,__fread_chk(1,1000),feof(1))\" $file" \
"Gentoo __fread_chk() bug regression"
fi
check "$ZZOPTS" "$ZZAT -x \"fread(1,32768) fseek(-100,SEEK_END) fread(1,1) fseek(-1,SEEK_END) fread(1,1) fseek(-100,SEEK_CUR) fread(1,100)\" $file" \
"fread(1) before EOF bug regression"
# Misc tests
for n in \
"fread(1,33000)" \
"repeat(-1,fread(1,1000),feof(1))" \
"repeat(-1,fread(1,33),feof(1))" \
"getc() fread(1,33000)" \
"fgetc() fread(1,33000)" \
"getc() ungetc() fread(1,33000)" \
"fgetc() ungetc() fread(1,33000)" \
"repeat(-1,getc(),feof(10))" \
"repeat(-1,fgetc(),feof(10))" \
"repeat(8000,getc()) fread(1,33000)" \
"repeat(8000,fgetc()) fread(1,33000)" \
"fread(1,100) fseek(50,SEEK_SET) fread(1,33000)" \
"fread(1,100) rewind() fseek(50,SEEK_CUR) fread(1,33000)" \
"fread(1,33000) rewind() repeat(-1,fseek(1,SEEK_CUR),fread(1,1),feof(1))" \
"fread(1,33000) rewind() repeat(-1,fseek(2,SEEK_CUR),fread(1,2),feof(1))" \
"fread(1,33000) rewind() repeat(-1,fseek(3,SEEK_CUR),fread(1,3),feof(1))" \
"fread(1,33000) rewind() repeat(-1,fseek(4,SEEK_CUR),fread(1,4),feof(1))" \
"fread(1,33000) fseek(1000,SEEK_CUR) repeat(-1,fread(1,2),feof(10))" \
"fread(1,33000) fseek(1000,SEEK_CUR) repeat(-1,getc(),feof(10))" \
"fread(1,33000) fseek(1000,SEEK_CUR) repeat(-1,fgetc(),feof(10))" \
; do
check "$ZZOPTS" "$ZZAT -x \"$n\" $file" "$n"
done
# Platform-specific tests
if [ "$HAVE_GETLINE" = "y" ]; then
for n in \
"repeat(10,getline()) fread(1,33000)" \
"repeat(-1,getc(),feof(10),ungetc(),getline())" \
"repeat(-1,fgetc(),feof(10),ungetc(),getline())" \
; do
check "$ZZOPTS" "$ZZAT -x \"$n\" $file" "$n"
done
fi
if [ "$HAVE_GETDELIM" = "y" ]; then
for n in \
"repeat(10,getdelim(0)) fread(1,33000)" \
"repeat(10,getdelim(' ')) fread(1,33000)" \
; do
check "$ZZOPTS" "$ZZAT -x \"$n\" $file" "$n"
done
fi
if [ "$HAVE_GETC_UNLOCKED" = "y" ]; then
for n in \
"getc_unlocked() fread(1,33000)" \
"getc_unlocked() ungetc() fread(1,33000)" \
"repeat(-1,getc_unlocked(),feof(10))" \
"repeat(8000,getc_unlocked()) fread(1,33000)" \
"fread(1,33000) fseek(1000,SEEK_CUR) repeat(-1,getc_unlocked(),feof(10))" \
; do
check "$ZZOPTS" "$ZZAT -x \"$n\" $file" "$n"
done
fi
if [ "$HAVE_FGETC_UNLOCKED" = "y" ]; then
for n in \
"fgetc_unlocked() fread(1,33000)" \
"fgetc_unlocked() ungetc() fread(1,33000)" \
"repeat(-1,fgetc_unlocked(),feof(10))" \
"repeat(8000,fgetc_unlocked()) fread(1,33000)" \
; do
check "$ZZOPTS" "$ZZAT -x \"$n\" $file" "$n"
done
fi
}
check()
{
ZZOPTS="$1"
CMD="$2"
ALIAS="$3"
CHECK="$4"
printf " $(echo "$ALIAS .................................." | cut -b1-38) "
MD5="$(eval "$ZZUF -m $ZZOPTS $CMD" 2>/dev/null | cut -f2 -d' ')"
if [ -n "$CHECK" ]; then
REFMD5="$CHECK"
fi
if [ -z "$REFMD5" ]; then
REFMD5="$MD5"
echo "$MD5"
elif [ "$MD5" != "$REFMD5" ]; then
fail_test "$MD5 FAILED"
else
pass_test 'ok'
fi
}
start_test "zzuf utils test suite"
for r in 0.0 0.001 1.0; do
for f in 00 ff text random; do
checkutils $r $f
done
done
stop_test