NOTE regression tests for the cat command

UNIT cat --regress

TEST basics

index=0

files=

for data in $(

for ((i = 0; i <= 2#11111; i++ ))

do printf $'%05..2u\n' $i

done |

sed -e 's/1/a/' -e 's/1/b/' -e 's/1/c/' -e 's/1/d/' -e 's/1/e/' -e 's/./&n/g' -e 's/0//g' -e 's/n$//'

)

do d=d$(printf $'%05..2u' $index)

((index++))

files="$files $d"

DATA $d "${data//n/$'\n'}"

done

options=(

show-ends

show-nonprinting

number-nonblank

squeeze-blank

)

# generate tests for all option and input file combinations

integer b i m=${#options[@]}

for (( b=0; b<(1<<m); b++ ))

do

o=

for (( i=0; i<m; i++ ))

do

if (( b & (1<<i) ))

then o="$o --${options[i]}"

fi

done

for f in $files

do

EXEC $o $f

done

done

TEST '-v'

DO getconf UNIVERSE = att

DATA i $'a\x{89}b\x{c9}c\tdIe'

DATA j -n X

EXEC -v i

EXEC -v j