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|
# $NetBSD: t_patterns.sh,v 1.7 2023/05/11 10:08:34 kre Exp $
#
# Copyright (c) 2018 The NetBSD Foundation, Inc.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# the implementation of "sh" to test
: ${TEST_SH:=/bin/sh}
#
# This file tests pattern matching (glob)
#
# Three forms:
# standard filename expansion (echo *.c)
# case statements (case word in (*.c) ...;;)
# var expansions with substring matching ${var%*.c}
#
# Note: the emphasis here is on testing the various possible patterns,
# not that case statements, or var expansions (etc) work in general.
### Helper functions
nl='
'
reset()
{
TEST_NUM=0
TEST_FAILURES=''
TEST_FAIL_COUNT=0
TEST_ID="$1"
}
# Test run & validate.
#
# $1 is the command to run (via sh -c)
# $2 is the expected output (with any \n's in output replaced by spaces)
# $3 is the expected exit status from sh
#
# Stderr is exxpected to be empty, unless the expected exit code ($3) is != 0
# in which case some message there is expected (and nothing is a failure).
# When non-zero exit is expected, we note a different (non-zero) value
# observed, but do not fail the test because of that.
check()
{
fail=false
# Note TEMP_FILE must not be in the current directory (or nearby).
TEMP_FILE=$( mktemp /tmp/OUT.XXXXXX )
TEST_NUM=$(( $TEST_NUM + 1 ))
MSG=
# our local shell (ATF_SHELL) better do quoting correctly...
# some of the tests expect us to expand $nl internally...
CMD="$1"
result="$( ${TEST_SH} -c "${CMD}" 2>"${TEMP_FILE}" )"
STATUS=$?
if [ "${STATUS}" -ne "$3" ]; then
MSG="${MSG}${MSG:+${nl}}[$TEST_NUM]"
MSG="${MSG} expected exit code $3, got ${STATUS}"
# don't actually fail just because of wrong exit code
# unless we either expected, or received "good"
# or something else is detected as incorrect as well.
case "$3/${STATUS}" in
(*/0|0/*) fail=true;;
esac
fi
if [ "$3" -eq 0 ]; then
if [ -s "${TEMP_FILE}" ]; then
MSG="${MSG}${MSG:+${nl}}[$TEST_NUM]"
MSG="${MSG} Messages produced on stderr unexpected..."
MSG="${MSG}${nl}$( cat "${TEMP_FILE}" )"
fail=true
fi
else
if ! [ -s "${TEMP_FILE}" ]; then
MSG="${MSG}${MSG:+${nl}}[$TEST_NUM]"
MSG="${MSG} Expected messages on stderr,"
MSG="${MSG} nothing produced"
fail=true
fi
fi
rm -f "${TEMP_FILE}"
case "${result}" in
(*[!0-9" $nl"]*)
# A word of some kind: at least 1 char that is not digit or wsp
# Remove newlines (use local shell for this)
result="$(
set -f
IFS="$nl"
set -- $result
IFS=' '
printf '%s' "$*"
)"
;;
(*[0-9]*)
# a numeric result, return just the number, trim whitespace
result=$(( ${result} ))
;;
(*)
# whitespace only, or empty string: just leave it as is
;;
esac
if [ "$2" != "${result}" ]
then
MSG="${MSG}${MSG:+${nl}}[$TEST_NUM]"
MSG="${MSG} Expected output '$2', received '$result'"
fail=true
fi
if $fail
then
MSG="${MSG}${MSG:+${nl}}[$TEST_NUM]"
MSG="${MSG} Full command: <<${CMD}>>"
fi
$fail && test -n "$TEST_ID" && {
TEST_FAILURES="${TEST_FAILURES}${TEST_FAILURES:+${nl}}"
TEST_FAILURES="${TEST_FAILURES}${TEST_ID}[$TEST_NUM]:"
TEST_FAILURES="${TEST_FAILURES} Test of '$1' failed.";
TEST_FAILURES="${TEST_FAILURES}${nl}${MSG}"
TEST_FAIL_COUNT=$(( $TEST_FAIL_COUNT + 1 ))
return 0
}
$fail && atf_fail "Test[$TEST_NUM] failed: $(
# ATF does not like newlines in messages, so change them...
printf '%s' "${MSG}" | tr '\n' ';'
)"
return 0
}
results()
{
test -n "$1" && atf_expect_fail "$1"
test -z "${TEST_ID}" && return 0
test -z "${TEST_FAILURES}" && return 0
echo >&2 "=========================================="
echo >&2 "While testing '${TEST_ID}'"
echo >&2 " - - - - - - - - - - - - - - - - -"
echo >&2 "${TEST_FAILURES}"
atf_fail \
"Test ${TEST_ID}: $TEST_FAIL_COUNT (of $TEST_NUM) subtests failed - see stderr"
}
####### End helpers
atf_test_case filename_expansion
filename_expansion_head() {
atf_set descr "Test correct operation of filename expansion"
}
filename_expansion_body() {
atf_require_prog mktemp
atf_require_prog wc
atf_require_prog mv
atf_require_prog rm
atf_require_prog mkdir
atf_require_prog df
atf_require_prog awk
reset filename_expansion
# First create a known set of filenames to match against
# Note: This creates almost 17000 files/directories, so
# needs at least that many free inodes (only space consumed
# is for the directory contents, with a 1K frag size, it
# should be about 1.2MiB). Switching to making links would
# save inodes, but would require running "ln" many times, so
# would be a lot slower.
free_inodes=$( df -i . | awk '/^Filesystem/{next}; { print $7 }' )
if [ $free_inodes -lt 17000 ]; then
atf_skip "not enough space"
fi
# This should work on a case insensitive, but preserving,
# filesystem - but case sensitive filesystems are preferred.
D=$(mktemp -d "DIR.$$.XXXXXX") || atf_fail "mktemp -d failed"
cd "${D}" || atf_fail "cd to temp dir '$D' failed"
# we need another level of directory, so we know what
# files to expect in ".." (ie: in $D) - only ".D".
mkdir .D && cd .D || atf_fail "failed to make or enter .D in $D"
> Xx || atf_fail "Unable to make files in temporary directory"
case "$( printf '%s\n' *)" in
(Xx) rm Xx || atf_fail "Unable to delete file";;
(\*) atf_fail "Created file vanished";;
(xx|XX|xX) atf_skip "Case preserving filesystem required";;
(*) atf_fail "Unexpected file expansion for '*'";;
esac
# from here on we make files/directories that we will be
# using in the tests.
# CAUTION: Change *any* of this and the expected results from the
# tests will all need verifying and updating as well.
mkdir D || atf_fail "mkdir D failed"
for F in a b c e V W X Y 1 2 3 4 5 \\ \] \[ \* \? \- \! \^ \| \# \' \"
do
> "${F}"
> ".${F}"
> "${F}.${F}"
> "${F}-${F}"
> "${F}${F}${F}${F}"
> "x${F}z"
> ab"${F}"yz
> "m${F}n${F}p${F}q"
> "D/${F}"
> "D/.${F}"
> "D/${F}${F}${F}${F}"
mkdir "D${F}" || atf_fail "mkdir 'D${F}' failed"
mkdir ".D${F}" || atf_fail "mkdir '.D${F}' failed"
for G in a b c e W X Y 0 2 4 6 \\ \] \[ \* \? \- \! \^ \| \#
do
> "${F}${G}"
> "${F}${G}${G}"
> "${F}${G}${F}"
> "${G}${F}${G}"
> "${F}${G}${G}${F}"
> "${G}${F}${F}${G}"
> "${F}.${G}"
> "${F}${G}.${G}${G}"
> "${F}${G}${F}${G}.${G}"
> "x${F}${G}y"
> "${F}z${G}"
> "${G}zz${F}"
> "${G}+${G}"
> "D${F}/${G}"
> "D${F}/.${G}"
> "D${F}/${G}${F}${G}"
> "D${F}/.${G}${F}${G}"
> ".D${F}/${G}"
> ".D${F}/.${G}"
> ".D${F}/${G}${F}${G}"
> ".D${F}/.${G}${F}${G}"
mkdir "D${F}/D${G}" "D${F}/D${F}${G}" ||
atf_fail \
"subdir mkdirs failed D${F}/D${G} D${F}/D${F}${G}"
> "D${F}/D${G}/${G}"
> "D${F}/D${G}.${G}"
> "D${F}/D${G}/${F}${G}"
> "D${F}/D${G}/${G}${F}${G}"
> "D${F}/D${G}/.${G}${F}${G}"
> "D${F}/D${G}/.${G}${F}${G}"
> "D${F}/D${F}${G}/${G}"
> "D${F}/D${F}${G}.${G}"
> "D${F}/D${F}${G}/${G}${F}"
> "D${F}/D${F}${G}/${G}${G}${F}"
> "D${F}/D${F}${G}/.${F}${F}${G}"
> "D${F}/D${F}${G}/.${G}${F}${F}"
done
done
# Debug hooks ... run with environment var set to filename
case "${ATF_TEST_SAVE_FILENAMES}" in
'') ;;
/*) ls -R >"${ATF_TEST_SAVE_FILENAMES}" ;;
*) ls -R >"${TMPDIR:-/tmp}/${ATF_TEST_SAVE_FILENAMES}" ;;
esac
case "${ATF_TEST_SAVE_FILES}" in
'') ;;
/*) (cd ..; tar cf "${ATF_TEST_SAVE_FILES}" .D) ;;
*) (cd ..; tar cf "${TMPDIR:-/tmp}/${ATF_TEST_SAVE_FILES}" .D) ;;
esac
# Now we have lots of files, try some matching
# First just check that "printf | wc -l" works properly...
check 'printf "%s\n" 1 2 3 | wc -l' '3' 0 #1
# Next a whole bunch of elementary patterns
check 'printf "%s\n" ab* | wc -l' '31' 0
check 'printf "%s\n" x*y | wc -l' '525' 0
check 'printf "%s\n" * | wc -l' '5718' 0
check 'printf "%s\n" ? | wc -l' '26' 0 #5
check 'printf "%s\n" ?? | wc -l' '550' 0
check 'printf "%s\n" ??? | wc -l' '2297' 0
check 'printf "%s\n" ???? | wc -l' '1745' 0
check 'printf "%s\n" ????? | wc -l' '550' 0
check 'printf "%s\n" ?????? | wc -l' '525' 0 #10
check 'printf "%s\n" ??????? | wc -l' '25' 0
check 'printf "%s\n" ???????? | wc -l' '1' 0
check 'printf "%s\n" ????????' '????????' 0
check 'printf "%s\n" m* | wc -l' '25' 0
check 'printf "%s\n" -* | wc -l' '206' 0 #15
check 'printf "%s\n" *- | wc -l' '227' 0
check 'printf "%s\n" -? | wc -l' '21' 0
check 'printf "%s\n" ?- | wc -l' '26' 0
check 'printf "%s\n" [ab] | wc -l' '2' 0
check 'printf "%s\n" [ab]* | wc -l' '437' 0 #20
check 'printf "%s\n" [A-Z]* | wc -l' '815' 0
check 'printf "%s\n" [0-4]* | wc -l' '830' 0
check 'printf "%s\n" [-04]* | wc -l' '488' 0
check 'printf "%s\n" [40-]* | wc -l' '488' 0
check 'printf "%s\n" *[0-9] | wc -l' '1057' 0 #25
check 'printf "%s\n" *[0-9]* | wc -l' '2109' 0
check 'printf "%s\n" ?[0-9]* | wc -l' '855' 0
check 'printf "%s\n" ?[0-9]? | wc -l' '270' 0
check 'printf "%s\n" *[0-9]? | wc -l' '750' 0
check 'printf "%s\n" [a-c][0-9]? | wc -l' '33' 0 #30
check 'printf "%s\n" [[:alpha:]] | wc -l' '9' 0
check 'printf "%s\n" [[:alpha:][:digit:]] | wc -l' '14' 0
check 'printf "%s\n" [[:alpha:]][[:digit:]] | wc -l' '37' 0
check \
'printf "%s\n" [[:alpha:][:digit:]][[:alpha:][:digit:]] | wc -l' \
'156' 0
check 'printf "%s\n" D*/*a | wc -l' '152' 0 #35
check 'printf "%s\n" D?/*a | wc -l' '150' 0
check 'printf "%s\n" D*/?a | wc -l' '25' 0
check 'printf "%s\n" D?/?a | wc -l' '25' 0
check 'printf "%s\n" */*a | wc -l' '152' 0
check 'printf "%s\n" [A-Z]*/*a | wc -l' '152' 0 #40
check 'printf "%s\n" ??/*a | wc -l' '150' 0
check 'printf "%s\n" .*/*a | wc -l' '277' 0
check 'printf "%s\n" .?*/*a | wc -l' '50' 0
check 'printf "%s\n" *-/-* | wc -l' '2' 0
check 'printf "%s\n" *-/-*' 'D-/- D-/---' 0 #45
# now some literal magic chars
check 'printf "%s\n" \?* | wc -l' '206' 0
check 'printf "%s\n" *\?* | wc -l' '471' 0
check 'printf "%s\n" \*? | wc -l' '21' 0
check 'printf "%s\n" \** | wc -l' '206' 0
check 'printf "%s\n" *\?* | wc -l' '471' 0 #50
check 'printf "%s\n" \[?] | wc -l' '3' 0
check 'printf "%s\n" \[?]' '[.] []] [z]' 0
check 'printf "%s\n" *\[* | wc -l' '471' 0
check 'printf "%s\n" \?\?* | wc -l' '5' 0
check 'printf "%s\n" \?\?*' '?? ??.?? ??? ???? ????.?' 0 #55
check 'printf "%s\n" [A\-C]* | wc -l' '206' 0
check 'printf "%s\n" [-AC]* | wc -l' '206' 0
check 'printf "%s\n" [CA-]* | wc -l' '206' 0
check 'printf "%s\n" [A\]-]? | wc -l' '42' 0
check 'printf "%s\n" []A\-]? | wc -l' '42' 0 #60
check 'printf "%s\n" []A-]? | wc -l' '42' 0
check 'printf "%s\n" \\* | wc -l' '206' 0
check 'printf "%s\n" [[-\]]?\?* | wc -l' '12' 0
check 'printf "%s\n" []\\[]?\? | wc -l' '9' 0
check 'printf "%s\n" *\\\\ | wc -l' '52' 0 #65
check 'printf "%s\n" [*][?]* | wc -l' '6' 0
check 'printf "%s\n" "*?"* | wc -l' '6' 0
check "printf '%s\\n' '\\'*\\\\ | wc -l" '61' 0
check 'printf "%s\n" ["a-b"]* | wc -l' '643' 0
check 'printf "%s\n" ["A-C"]z[[] | wc -l' '1' 0 #70
check 'printf "%s\n" ["A-C"]z[[]' '-z[' 0
check 'printf "%s\n" ?"??"* | wc -l' '54' 0
check 'printf "%s\n" \??\?* | wc -l' '52' 0
check 'printf "%s\n" [?][\?]* | wc -l' '5' 0
check 'printf "%s\n" [?][\?]*' '?? ??.?? ??? ???? ????.?' 0 #75
check 'printf "%s\n" [!ab] | wc -l' '24' 0
check 'printf "%s\n" [!ab]* | wc -l' '5281' 0
check 'printf "%s\n" [!A-D]* | wc -l' '5692' 0
check 'printf "%s\n" [!0-3]* | wc -l' '5094' 0
check 'printf "%s\n" [!-03]* | wc -l' '5265' 0 #80
check 'printf "%s\n" [!30-]* | wc -l' '5265' 0
check 'printf "%s\n" [!0\-3]* | wc -l' '5265' 0
check 'printf "%s\n" [\!0-3]* | wc -l' '830' 0
check 'printf "%s\n" [0-3!]* | wc -l' '830' 0
check 'printf "%s\n" [0!-3]* | wc -l' '1790' 0 #85
check 'printf "%s\n" *[!0-3] | wc -l' '5156' 0
check 'printf "%s\n" *[!0-3]* | wc -l' '5680' 0
check 'printf "%s\n" ?[!0-3]* | wc -l' '5231' 0
check 'printf "%s\n" ?[!0-3]? | wc -l' '2151' 0
check 'printf "%s\n" *[!0-3]? | wc -l' '5284' 0 #90
check 'printf "%s\n" [!a-c][!0-3]? | wc -l' '1899' 0
check 'printf "%s\n" [![:alpha:]] | wc -l' '17' 0
check 'printf "%s\n" [![:alpha:][:digit:]] | wc -l' '12' 0
check 'printf "%s\n" [![:alpha:]][[:digit:]] | wc -l' '68' 0
check 'printf "%s\n" [[:alpha:]][![:digit:]] | wc -l' '156' 0 #95
check 'printf "%s\n" [![:alpha:]][![:digit:]] | wc -l' '289' 0
check 'printf "%s\n" [!A-Z]*/*a | wc -l' '1' 0
check 'printf "%s\n" [!A-Z]*/*a' '[!A-Z]*/*a' 0
check 'printf "%s\n" [!A\-D]* | wc -l' '5486' 0
check 'printf "%s\n" [!-AD]* | wc -l' '5486' 0 #100
check 'printf "%s\n" [!DA-]* | wc -l' '5486' 0
check 'printf "%s\n" [!A\]-]? | wc -l' '508' 0
check 'printf "%s\n" [!]A\-]? | wc -l' '508' 0
check 'printf "%s\n" [!]A-]? | wc -l' '508' 0
check 'printf "%s\n" [![-\]]?\?* | wc -l' '164' 0 #105
check 'printf "%s\n" [!]\\[]?\? | wc -l' '93' 0
check 'printf "%s\n" [!*][?]* | wc -l' '171' 0
check 'printf "%s\n" [*][!?]* | wc -l' '199' 0
check 'printf "%s\n" [!*][!?]* | wc -l' '5316' 0
check 'printf "%s\n" [!"a-b"]* | wc -l' '5075' 0 #110
check 'printf "%s\n" ["!a-b"]* | wc -l' '849' 0
check 'printf "%s\n" [!"A-D"]z[[] | wc -l' '24' 0
check 'printf "%s\n" ["!A-D"]z[[] | wc -l' '2' 0
check 'printf "%s\n" ["!A-D"]z[[]' '!z[ -z[' 0
check 'printf "%s\n" ["A-D"]z[![] | wc -l' '20' 0 #115
check 'printf "%s\n" [!"A-D"]z[![] | wc -l' '480' 0
check 'printf "%s\n" ["!A-D"]z[![] | wc -l' '40' 0
check 'printf "%s\n" [!?][\?]* | wc -l' '172' 0
check 'printf "%s\n" [?][!\?]* | wc -l' '200' 0
check 'printf "%s\n" [!?][!\?]* | wc -l' '5315' 0 #120
check 'printf "%s\n" [!?][?!]* | wc -l' '343' 0
check 'printf "%s\n" [?][\?!]* | wc -l' '11' 0
check "printf '%s\\n' [\']*[!#] | wc -l" '164' 0
check 'printf "%s\n" [\"]*[\|] | wc -l' '6' 0
check 'printf "%s\n" [\"]*[\|]' '".| "z| "| "|"|.| "|.|| "||' 0 #125
check "printf '%s\\n' '\"['* | wc -l" '6' 0
check "printf '%s\\n' '\"['*" '"[ "[" "["[.[ "[.[[ "[[ "[["' 0
# Now test cases where the pattern is the result of a
# variable expansion (will assume, for now, that cmdsub & arith
# work the same way, so omit tests using those)
# we need to check both unquoted & quoted var expansions,
# expansions that result from ${xxx-xxx} and ${xxx%yyy}
# and expansions that form just part of the eventual pattern.
check 'var="x*y";printf "%s\n" ${var} | wc -l' '525' 0
check 'var="[a-e]?[0-9]";printf "%s\n" ${var} | wc -l' '48' 0
check 'var="[a-e]?.*";printf "%s\n" ${var} | wc -l' '84' 0 #130
check 'var="[a-e]\?.*";printf "%s\n" ${var} | wc -l' '4' 0
check 'var="[a-e]\?.*";printf "%s\n" ${var}' 'a?.?? b?.?? c?.?? e?.??' 0
# and if you're looking for truly weird...
check 'set -- a b; IFS=\?; printf "%s\n" "$*" | wc -l' '1' 0
check 'set -- a b; IFS=\?; printf "%s\n" "$*"' 'a?b' 0
check 'set -- a b; IFS=\?; printf "%s\n" $* | wc -l' '2' 0 #boring #135
check 'set -- a b; IFS=\?; var=$*; unset IFS; printf "%s\n" ${var}' \
'a.b abb azb' 0
check 'set -- a b; IFS=\?; var=$*; unset IFS; printf "%s\n" "${var}"' \
'a?b' 0
check 'set -- a \?; IFS=\\; printf "%s\n" "$*"' 'a\?' 0
check 'set -- a \?; IFS=\\; var=$*; unset IFS; printf "%s\n" "${var}"' \
'a\?' 0
check 'set -- a \?; IFS=\\; var=$*; unset IFS; printf "%s\n" ${var}' \
'a?' 0 #140
mv 'a?' 'a@'
check 'set -- a \?; IFS=\\; var=$*; unset IFS; printf "%s\n" ${var}' \
'a\?' 0
mv 'a@' 'a?'
# This is unspecified by POSIX, but everyone (sane) does it this way
check 'printf "%s\n" D*[/*] | wc -l' '6' 0
check 'printf "%s\n" D*[\/*] | wc -l' '6' 0
check 'printf "%s\n" D*\[/*] | wc -l' '6' 0
check 'printf "%s\n" D*\[\/*] | wc -l' '6' 0 #145
check 'printf "%s\n" D*[/*]' \
'D[/D[] D[/D[].] D[/D] D[/D].] D[/] D[/][]' 0
# '^' as the first char in a bracket expr is unspecified by POSIX,
# but for compat with REs everyone (sane) makes it the same as !
# But just in case we are testing an insane shell ...
${TEST_SH} -c 'case "^" in ([^V^]) exit 1;; (*) exit 0;; esac' && {
check 'printf "%s\n" [^ab] | wc -l' '24' 0
check 'printf "%s\n" [^ab]* | wc -l' '5281' 0
check 'printf "%s\n" [^A-D]* | wc -l' '5692' 0
check 'printf "%s\n" [^0-3]* | wc -l' '5094' 0 #150
check 'printf "%s\n" [^-03]* | wc -l' '5265' 0
check 'printf "%s\n" [^0\-3]* | wc -l' '5265' 0
check 'printf "%s\n" [^-a3]* | wc -l' '5110' 0
check 'printf "%s\n" [\^-a3]* | wc -l' '608' 0
check 'printf "%s\n" [\^0-3]* | wc -l' '830' 0 #155
check 'printf "%s\n" [0-3^]* | wc -l' '830' 0
check 'printf "%s\n" [0^-a]* | wc -l' '513' 0
check 'printf "%s\n" *[^0-3] | wc -l' '5156' 0
check 'printf "%s\n" [!^]? | wc -l' '529' 0
check 'printf "%s\n" [^!]? | wc -l' '529' 0 #160
check 'printf "%s\n" [!!^]? | wc -l' '508' 0
check 'printf "%s\n" [!^!]? | wc -l' '508' 0
check 'printf "%s\n" [^!]? | wc -l' '529' 0
check 'printf "%s\n" [^!^]? | wc -l' '508' 0
check 'printf "%s\n" [^^!]? | wc -l' '508' 0 #165
check 'printf "%s\n" [!^-b]? | wc -l' '487' 0
check 'printf "%s\n" [^!-b]? | wc -l' '63' 0
}
# No need to clean up the directory, we're in the ATF working
# directory, and ATF cleans up for us.
results
}
atf_test_case case_matching
case_matching_head() {
atf_set descr "Test expansion of vars with embedded cmdsub"
}
# helper functions for case matching
#
# usage: cm word [ pattern ] [ preamble ] (expect word to match pattern)
# cf word [ pattern ] [ preamble ] (expect word to fail to match)
#
# The last used (non-null) pattern, and the last used preamble, are
# remembered and used again if only the word is given. To give a
# new preamble while using the last pattern, give '' as the pattern.
#
# nb: a null (empty) pattern is a syntax error, to get '' use "''"
#
cm() {
case "$2" in
'') set -- "$1" "${LAST_PATTERN}" "${3:-${LAST_PFX}}";;
*) LAST_PATTERN="$2";;
esac
LAST_PFX="$3"
check \
"${3:+${3}; }case $1 in ($2) printf M;; (*) printf X;; esac" M 0
}
cf() {
case "$2" in
'') set -- "$1" "${LAST_PATTERN}" "${3:-${LAST_PFX}}";;
*) LAST_PATTERN="$2";;
esac
LAST_PFX="$3"
check \
"${3:+${3}; }case $1 in ($2) printf M;; (*) printf X;; esac" X 0
}
case_matching_body() {
# nb: we are not testing execution of case, so no ;& or alternate
# patterns (etc) are needed here, we just want to validate the
# case variant of pattern matching, so simple one word, one pattern
# match or not match.
reset case_matching
cm abcd 'ab*'; cf bcda; cf aabce; cm ab # 4
cm abcd '$var' 'var="ab*"'; cf abcd '"$var"' 'var="ab*"' # 6
cm xy 'x*y'; cm xyxy; cm '"x*y"'; cf xxyz # 10
cm '""' '*'; cm '\*'; cm '\?'; cm -; cm 12345 # 15
cm abcd '$var' 'var="*"'; cf abcd '"$var"' 'var="*"' # 17
cm '"*"' '\*'; cm '"*"' '"*"'; cm '"*"' '"$var"' 'var="*"' # 20
cm X '?'; cf XX '?'; cf X '"?"'; cm Y '$var' 'var="?"' # 24
cf Z '"$var"' 'var="?"'; cm '"?"' '"$var"' 'var="?"' # 26
cm XA '??'; cf X '??'; cf XX '"??"'; cm YZ '$var' 'var="??"' # 30
cf ZZ '"$var"' 'var="??"'; cm '"??"' '"$var"' 'var="??"' # 32
cm a '[ab]'; cm b; cf c; cf aa; cf '"[ab]"' # 37
cm '"[ab]"' '"[ab]"'; cm '"[ab]"' '\[ab]' # 39
cm a '$var' 'var="[ab]"'; cf a '"$var"' 'var="[ab]"' # 41
cm '"[ab]"' '"$var"' 'var="[ab]"'; cm a '["$var"]' 'var=ab' # 43
cm b '[a-c]'; cm a '[a-c]'; cm c '[a-c]'; cf d '[a-c]' # 47
cf '"[a-c]"' '[a-c]'; cm '"[a-c]"' '"[a-c]"' # 49
cm '"[a-c]"' '\[a-c]'; cm '"[a-c]"' '[a-c\]' # 51
cm a '$var' 'var="[a-c]"'; cf a '"$var"' 'var="[a-c]"' # 53
cm '"[a-c]"' '"$var"' 'var="[a-c]"'; cf b '["$var"]' 'var=a-c' # 55
cm 2 '[0-4]'; cm 0 '[0-4]'; cf - '[0-4]'; cm 0 '[-04]' # 59
cf 2 '[-04]'; cf 2 '[40-]'; cm 0 '[40-]'; cm - '[-04]' # 63
cf 2 '[0\-4]'; cm - '[0\-4]'; cf 2 '["0-4"]'; cm - '["0-4"]' # 67
cf 2 "[0'-'4]"; cm - "[0'-'4]"; cm 4 "[0'-'4]" # 70
cm 0 "['0'-'4']"; cf '"\\"' '[0\-4]'; cm '"\\"' '[\\0-\\4]' # 73
cm a '[[:alpha:]]'; cf 0; cf '"["'; cm Z; cf aa; cf .; cf '""' # 80
cf a '[[:digit:]]'; cm 0; cf '"["'; cm 9; cf 10; cf .; cf '""' # 87
cm '"["' '[][:alpha:][]'; cf a '[\[:alpha:]]'; cf a '[[\:alpha:]]' #90
cm a '[$var]' 'var="[:alpha:]"'; cm a '[[$var]]' 'var=":alpha:"' # 92
cm a '[[:$var:]]' 'var=alpha'; cm B '[[:"$var":]]' 'var=alpha' # 94
cf B '["$var"]' 'var="[:alpha:]"'; cf B '[["$var"]]' 'var=":alpha:"' #96
cm '"["' '["$var"]' 'var="[:alpha:]"' # 97
cm '"[]"' '[["$var"]]' 'var=":alpha:"'; # 98
cm A3 '[[:alpha:]][[:digit:]]'; cf '"[["' #100
cm 3 '[[:alpha:][:digit:]]'; cf '"["'; cm A; cf '":"' #104
for W in AA A7 8x 77; do
cm "$W" '[[:alpha:][:digit:]][[:alpha:][:digit:]]' #108
done
cm dir/file '*/*'; cm /dir/file; cm /dir/file '*/file' #111
for W in aa/bcd /x/y/z .x/.abc --/--- '\\//\\//' '[]/[][]'
do
cm "'$W'" '??/*'; cm "'$W'" '[-a/.\\[]?/??*[]dzc/-]'
done #123
cm '"?abc"' '\?*'; cf '"\\abc"'; cm '"?"' #126
cm '\\z' '"\\z"'; cf '\z'; cf z; cf '"\\"' #130
cm '"[x?abc"' '[[-\]]?\?*'; cm '"]x?abc"'; cm '"\\x?abc"' #133
cf '"-x?abc"'; cf '"[xyzabc"'; cm '"[]?"' #136
cm '"[x?"' '[]\\[]?\?'; cm '"]x?"'; cm '"\\y?"'; cm '"[]?"' #140
cm "'\z'" '"\z"'; cf z; cm '\\z'; cm '$var' '' 'var="\z"' #144
cm '${var}' '' "var='\z'"; cm '"${var}"' #146
cf '${var}' '${var}' "var='\z'"; cm '${var}' '"${var}"' "var='\z'" #148
cf "'${var}'"; cm "'${var}'" "'${var}'" "var='\z'" #150
cf abc '"$*"' 'IFS=?; set -- a c';cf '"a c"';cm "'a?c'";cm '"$*"' #154
cf abc '"$*"' 'IFS=*; set -- a c';cf '"a c"';cm "'a*c'";cm '"$*"' #158
cf abc '"$*"' 'IFS=\\;set -- a c';cf '"a c"';cm "'a\c'";cm '"$*"' #162
cf abc '"$*"' 'IFS="";set -- a c';cf '"a c"';cm "'ac'"; cm '"$*"' #166
cm a '["$*"]' 'IFS=-; set -- a c';cf b;cm c;cm '-'; cf "']'" #171
cm a '["$*"]' 'IFS=?; set -- a c';cf b;cm c;cm '"?"'; cf "'['" #176
cm a '["$*"]' 'IFS=*; set -- a c';cf b;cm c;cm '"*"'; cf - #181
cm a '["$*"]' 'IFS=\\;set -- a c';cf b;cm c;cm "'\\'";cf "'$'" #186
cm a '["$*"]' 'IFS="";set -- a c';cf b;cm c #189
# Now repeat the ones using bracket expressions, adding !
cf a '[!ab]'; cf b; cm c; cf aa; cf '"[!ab]"'; cm a '[ab!]'; cm ! #196
cf a '$var' 'var="[!ab]"';cm x;cf a '"$var"' 'var="[!ab]"'; cf x #200
cm '"[!ab]"' '"$var"' 'var="[!ab]"'; cf a; cf b; cf !; cf "'['" #205
cf a '[!"$var"]' 'var=ab'; cm x; cm a '["!$var"]' 'var=ab' #208
cf x; cm !; cm a '["$var"]' 'var=!ab'; cf x #212
cf a '[$var]' 'var=!ab'; cm ! #214
cf b '[!a-c]'; cf a; cf c; cm d; cm !; cm -; cm _; cm '\\' #222
cf a '$var' 'var="[!a-c]"'; cf b; cf c; cm d; cm !; cm - #228
cf 2 '[!0-4]'; cf 0; cm -; cf 4; cm !; cm "'['"; cm "']'" #235
cm 2 '[!-04]'; cm 2 '[!40-]'; cf 0; cf -; cm !; #240
cm 2 '[!0\-4]'; cf -; cm 2 '[!"0-4"]'; cf - #244
cf a '[![:alpha:]]'; cm 0; cm '"["'; cf aa; cm .; cf '""' #250
cf '"["' '[!][:alpha:][!]'; cf a; cm 0; cf !; cf "']'"; cm % #256
cf a '[$var]' 'var="![:alpha:]"'; cm 0; cm !; cm "']'"; cm @ #261
# Next some tests of patterns containing (intended literal) '\'
# The first of the "set" tests pair was reported as broken bu
# Martijn Dekker (private mail) (Nov 2018).
cm "'\\'" "'\\'"; cf "'\\'" "'\\\\'" #263
cm "'\\'" '"$var"' "var='\\'"; cf "'\\'" '$var' "var='\\'" #265
cm '$1' '"$2"' 'set -- \\ \\'; cf '$1' '$2' 'set -- \\ \\' #267
cf '$1' '"$2"' 'set -- \\ \\\\'; cm '$1' '$2' 'set -- \\ \\\\' #269
cm "'\\'" "\$( echo '\\\\' )"; cf "'\\'" "\$( echo '\\' )" #271
cm "'\\'" "\"\$( echo '\\' )\"" #272
cf "'\\'" "\"\$( echo '\\\\' )\"" #273
if X=$( ${TEST_SH} -c 'printf %s '"\$'\\\\'" 2>/dev/null ) &&
[ "$X" = '\' ]
then
# TEST_SH supports $'...' so we can test it as well
# note these are $'\\' and $'\\\\' as patterns.
# They should be identical to '\' and '\\'
cm "'\\'" "\$'\\\\'"; cf "'\\'" "\$'\\\\\\\\'" #275
else
# uncomment this if we need to keep sub-test numbering sane
# it isn't needed as long as this remains last.
# (nb: this is just a repeat of sub-test 263)
# cm "'\\'" "'\\'"; cf "'\\'" "'\\\\'" #275
fi
results
}
atf_test_case var_substring_matching
var_substring_matching_head() {
atf_set descr 'Test pattern matching in var expansions'
}
# Helper function for var substring matching
# $1 is the input string
# $2 the substring matching operator (# % ## or %%)
# $3 is the pattern to match (or reference to one)
# $4 is the expected output (result of applying op($2) with pat($3) to $1
# $5 (if given, and not null) is a command (or commands) to run first
# $6 (if given, and not null) cause the var expansion to be quoted
# (ie "${var%pattern}" instead of just ${var%pattern})
# any quotes needed in "pattern" should be in $3
# Note: a variable called "var" is used (set to $1, then expanded).
vm()
{
check "${5:+${5}; }var='$1';printf '%s\n' ${6:+\"}\${var$2$3}${6:+\"}" \
"$4" 0
}
var_substring_matching_body() {
reset var_substring_matching
vm abc \# a bc; vm aaab \# a aab; vm aaab \## 'a*a' b # 3
vm aaab % ab aa; vm xawab %% 'a*ab' x; vm abcd \# xyz abcd
vm file.c % .c 'f le' IFS=i ; vm file.c % .c file IFS=i Q
vm file.c % ?c file ; vm file.c % '"?c"' file.c # 9 10
vm abcabcabcded \# 'a*b' cabcabcded; vm abcabcabcded \## 'a*b' cded
vm abcabcabcded % 'c*d' abcabcab; vm abcabcabcded %% 'c*d' ab
vm abc.jpg % '.[a-z][!0-9]?' abc # 15
vm xxxyyy \# '${P}' yyy P=xxx; vm xxxyyy \# '${P}' yyy 'P=x?x'
vm xxxyyy \# '${P}' yyy 'P=x?x' Q
vm 'x?xyyy' \# '${P}' yyy 'P=x[?]x'
vm xxxyyy \# '${P}' xxxyyy 'P=x[?]x' # 20
vm 'x?xyyy' \# '${P}' yyy 'P=x?x' Q
vm xxxyyy \# '${P}' yyy 'P=x?x' Q
vm 'x?xyyy' \# '${P}' yyy 'P="x\?x"'
vm 'x?xyyy' \# '${P}' yyy 'P="x\?x"' Q
vm 'x?xyyy' \# '${P}' yyy 'P="x?x"' # 25
vm 'x?xyyy' \# '${P}' yyy 'P="x?x"' Q
vm 'x?xyyy' \# '"${P}"' 'x?xyyy' 'P="x\?x"'
vm 'x?xyyy' \# '"${P}"' 'x?xyyy' 'P="x\?x"' Q
vm 'x?xyyy' \# '"${P}"' yyy 'P="x?x"'
vm 'x?xyyy' \# '"${P}"' yyy 'P="x?x"' Q # 30
vm 'x%xyyy' \# '${P}' 'x%xyyy' 'P="x\?x"'
vm 'x%xyyy' \# '${P}' 'x%xyyy' 'P="x\?x"' Q
vm 'x%xyyy' \# '${P}' yyy 'P="x?x"'
vm 'x%xyyy' \# '${P}' yyy 'P="x?x"' Q
vm 'x%xyyy' \# '"${P}"' 'x%xyyy' 'P="x\?x"' # 35
vm 'x%xyyy' \# '"${P}"' 'x%xyyy' 'P="x\?x"' Q
vm 'x%xyyy' \# '"${P}"' 'x%xyyy' 'P="x?x"'
vm 'x%xyyy' \# '"${P}"' 'x%xyyy' 'P="x?x"' Q
vm abc \# '*' abc; vm abc \# '*' abc '' Q # 39 40
vm abc \# '"*"' abc; vm abc \# '"*"' abc '' Q
vm abc \# '"a"' bc; vm abc \# '"a"' bc '' Q
vm abc \## '*' ''; vm abc \## '*' '' '' Q
vm abc % '*' abc; vm abc % '*' abc '' Q
vm abc %% '*' ''; vm abc %% '*' '' '' Q # 49 50
vm abc \# '$P' abc 'P="*"'; vm abc \# '$P' abc 'P="*"' Q
vm abc \# '"$P"' abc 'P="*"'; vm abc \# '"$P"' abc 'P="*"' Q
vm abc \# '$P' bc 'P="[a]"'; vm abc \# '$P' bc 'P="[a]"' Q
vm abc \# '"$P"' abc 'P="[a]"'; vm abc \# '"$P"' abc 'P="[a]"' Q
vm '[a]bc' \# '$P' '[a]bc' 'P="[a]"'
vm '[a]bc' \# '"$P"' bc 'P="[a]"' # 60
vm '[a]bc' \# '"$P"' bc 'P="[a]"' Q
# The following two (62 & 63) are actually the same test.
# The double \\ turns into a single \ when parsed.
vm '[a]bc' \# '$P' bc 'P="\[a]"'; vm '[a]bc' \# '$P' bc 'P="\\[a]"'
vm '[a]bc' \# '"$P"' '[a]bc' 'P="\[a]"'
vm '\[a]bc' \# '"$P"' bc 'P="\[a]"' # 65
vm ababcdabcd \# '[ab]*[ab]' abcdabcd
vm ababcdabcd \## '[ab]*[ab]' cd
vm ababcdabcd \# '$P' abcdabcd 'P="[ab]*[ab]"'
vm ababcdabcd \## '$P' cd "P='[ab]*[ab]'"
vm ababcdabcd \# '$P' 'ab dab d' 'P="[ab]*[ab]"; IFS=c' # 70
vm ababcdabcd \# '$P' abcdabcd 'P="[ab]*[ab]"; IFS=c' Q
vm ababcdabcd \# '[ab]*[ba]' abcdabcd
vm ababcdabcd \# '[ab]*[a-b]' abcdabcd
vm ababcdabcd \## '[ba]*[ba]' cd
vm ababcdabcd \## '[a-b]*[ab]' cd # 75
vm abcde \# '?[b-d]?' de; vm abcde \## '?[b-d]?' de
vm abcde % '?[b-d]?' ab; vm abcde %% '?[b-d]?' ab
vm .123. \# '.[0-9][1-8]' 3.; vm .123. % '[0-9][1-8].' .1 # 80 81
vm .123. \# '?[0-9][1-8]' 3.; vm .123. % '[0-9][1-8]?' .1
vm .123. \# '*[0-9][1-8]' 3.; vm .123. % '[0-9][1-8]*' .1 # 85
vm .123. \## '*[0-9][1-8]' .; vm .123. %% '[0-9][1-8]*' .
vm .123. \# '[.][1][2]' 3. ; vm .123. % '[2][3][.]' .1
vm .123. \# '[?]1[2]' .123. ; vm .123. % '2[3][?]' .123. # 90 91
vm .123. \# '\.[0-9][1-8]' 3.;vm .123. % '[0-9][1-8]\.' .1
vm '[a-c]d-f' \# '[a-c\]' d-f
vm '[abcd]' \# '[[:alpha:]]' '[abcd]' # 95
vm '[1?234' \# '[[-\]]?\?' 234
vm '1-2-3-\?' % '-${P}' '1-2-3-\?' 'P="\\?"'
vm '1-2-3-\?' % '${P}' '1-2-3-\' 'P="\\?"'
vm '1-2-3-\?' % '-"${P}"' 1-2-3 'P="\\?"' # 99
results
}
atf_init_test_cases() {
# Listed here in the order ATF runs them, not the order from above
atf_add_test_case filename_expansion
atf_add_test_case case_matching
atf_add_test_case var_substring_matching
}
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