tests: test the test framework more thoroughly
[git/git.git] / t / test-lib.sh
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1#!/bin/sh
2#
3# Copyright (c) 2005 Junio C Hamano
4#
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5# This program is free software: you can redistribute it and/or modify
6# it under the terms of the GNU General Public License as published by
7# the Free Software Foundation, either version 2 of the License, or
8# (at your option) any later version.
9#
10# This program is distributed in the hope that it will be useful,
11# but WITHOUT ANY WARRANTY; without even the implied warranty of
12# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13# GNU General Public License for more details.
14#
15# You should have received a copy of the GNU General Public License
16# along with this program. If not, see http://www.gnu.org/licenses/ .
e1970ce4 17
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18# if --tee was passed, write the output not only to the terminal, but
19# additionally to the file test-results/$BASENAME.out, too.
20case "$GIT_TEST_TEE_STARTED, $* " in
21done,*)
22 # do not redirect again
23 ;;
3da93652 24*' --tee '*|*' --va'*)
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25 mkdir -p test-results
26 BASE=test-results/$(basename "$0" .sh)
27 (GIT_TEST_TEE_STARTED=done ${SHELL-sh} "$0" "$@" 2>&1;
28 echo $? > $BASE.exit) | tee $BASE.out
29 test "$(cat $BASE.exit)" = 0
30 exit
31 ;;
32esac
33
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34# Keep the original TERM for say_color
35ORIGINAL_TERM=$TERM
36
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37# Test the binaries we have just built. The tests are kept in
38# t/ subdirectory and are run in 'trash directory' subdirectory.
39if test -z "$TEST_DIRECTORY"
40then
41 # We allow tests to override this, in case they want to run tests
42 # outside of t/, e.g. for running tests on the test library
43 # itself.
44 TEST_DIRECTORY=$(pwd)
45fi
46if test -z "$TEST_OUTPUT_DIRECTORY"
47then
48 # Similarly, override this to store the test-results subdir
49 # elsewhere
50 TEST_OUTPUT_DIRECTORY=$TEST_DIRECTORY
51fi
52GIT_BUILD_DIR="$TEST_DIRECTORY"/..
53
54. "$GIT_BUILD_DIR"/GIT-BUILD-OPTIONS
55export PERL_PATH SHELL_PATH
56
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57# For repeatability, reset the environment to known value.
58LANG=C
899460f3 59LC_ALL=C
d9bdd39e 60PAGER=cat
e1970ce4 61TZ=UTC
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62TERM=dumb
63export LANG LC_ALL PAGER TERM TZ
8ff99e74 64EDITOR=:
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65# A call to "unset" with no arguments causes at least Solaris 10
66# /usr/xpg4/bin/sh and /bin/ksh to bail out. So keep the unsets
67# deriving from the command substitution clustered with the other
68# ones.
3c8f12c9 69unset VISUAL EMAIL LANGUAGE COLUMNS $("$PERL_PATH" -e '
95a1d12e 70 my @env = keys %ENV;
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71 my $ok = join("|", qw(
72 TRACE
73 DEBUG
74 USE_LOOKUP
75 TEST
76 .*_TEST
77 PROVE
78 VALGRIND
342e9ef2 79 PERF_AGGREGATING_LATER
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80 ));
81 my @vars = grep(/^GIT_/ && !/^GIT_($ok)/o, @env);
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82 print join("\n", @vars);
83')
5adf84eb 84unset XDG_CONFIG_HOME
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85GIT_AUTHOR_EMAIL=author@example.com
86GIT_AUTHOR_NAME='A U Thor'
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87GIT_COMMITTER_EMAIL=committer@example.com
88GIT_COMMITTER_NAME='C O Mitter'
8d0fc48f 89GIT_MERGE_VERBOSITY=5
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90GIT_MERGE_AUTOEDIT=no
91export GIT_MERGE_VERBOSITY GIT_MERGE_AUTOEDIT
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92export GIT_AUTHOR_EMAIL GIT_AUTHOR_NAME
93export GIT_COMMITTER_EMAIL GIT_COMMITTER_NAME
d33738d7 94export EDITOR
e1970ce4 95
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96# Protect ourselves from common misconfiguration to export
97# CDPATH into the environment
98unset CDPATH
99
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100unset GREP_OPTIONS
101
3d5c0cc9 102case $(echo $GIT_TRACE |tr "[A-Z]" "[a-z]") in
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1031|2|true)
104 echo "* warning: Some tests will not work if GIT_TRACE" \
105 "is set as to trace on STDERR ! *"
106 echo "* warning: Please set GIT_TRACE to something" \
107 "other than 1, 2 or true ! *"
108 ;;
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109esac
110
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111# Convenience
112#
113# A regexp to match 5 and 40 hexdigits
114_x05='[0-9a-f][0-9a-f][0-9a-f][0-9a-f][0-9a-f]'
115_x40="$_x05$_x05$_x05$_x05$_x05$_x05$_x05$_x05"
116
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117# Zero SHA-1
118_z40=0000000000000000000000000000000000000000
119
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120# Line feed
121LF='
122'
123
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124export _x05 _x40 _z40 LF
125
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126# Each test should start with something like this, after copyright notices:
127#
128# test_description='Description of this test...
129# This test checks if command xyzzy does the right thing...
130# '
131# . ./test-lib.sh
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132[ "x$ORIGINAL_TERM" != "xdumb" ] && (
133 TERM=$ORIGINAL_TERM &&
134 export TERM &&
135 [ -t 1 ] &&
136 tput bold >/dev/null 2>&1 &&
137 tput setaf 1 >/dev/null 2>&1 &&
138 tput sgr0 >/dev/null 2>&1
139 ) &&
55db1df0 140 color=t
e1970ce4 141
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142while test "$#" -ne 0
143do
144 case "$1" in
145 -d|--d|--de|--deb|--debu|--debug)
146 debug=t; shift ;;
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147 -i|--i|--im|--imm|--imme|--immed|--immedi|--immedia|--immediat|--immediate)
148 immediate=t; shift ;;
5e2c08c6 149 -l|--l|--lo|--lon|--long|--long-|--long-t|--long-te|--long-tes|--long-test|--long-tests)
91e80b98 150 GIT_TEST_LONG=t; export GIT_TEST_LONG; shift ;;
e1970ce4 151 -h|--h|--he|--hel|--help)
570f3226 152 help=t; shift ;;
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153 -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
154 verbose=t; shift ;;
1ece1274 155 -q|--q|--qu|--qui|--quie|--quiet)
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156 # Ignore --quiet under a TAP::Harness. Saying how many tests
157 # passed without the ok/not ok details is always an error.
158 test -z "$HARNESS_ACTIVE" && quiet=t; shift ;;
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159 --with-dashes)
160 with_dashes=t; shift ;;
55db1df0 161 --no-color)
faa4bc35 162 color=; shift ;;
4e1be63c 163 --va|--val|--valg|--valgr|--valgri|--valgrin|--valgrind)
3da93652 164 valgrind=t; verbose=t; shift ;;
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165 --tee)
166 shift ;; # was handled already
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167 --root=*)
168 root=$(expr "z$1" : 'z[^=]*=\(.*\)')
169 shift ;;
e1970ce4 170 *)
1f729dca 171 echo "error: unknown test option '$1'" >&2; exit 1 ;;
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172 esac
173done
174
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175if test -n "$color"
176then
55db1df0 177 say_color () {
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178 (
179 TERM=$ORIGINAL_TERM
180 export TERM
55db1df0 181 case "$1" in
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182 error)
183 tput bold; tput setaf 1;; # bold red
184 skip)
b8fc855a 185 tput setaf 4;; # blue
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186 warn)
187 tput setaf 3;; # brown/yellow
1c0cc756 188 pass)
0a6d4751 189 tput setaf 2;; # green
1c0cc756 190 info)
0a6d4751 191 tput setaf 6;; # cyan
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192 *)
193 test -n "$quiet" && return;;
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194 esac
195 shift
5099b99d 196 printf "%s" "$*"
55db1df0 197 tput sgr0
b8eecafd 198 echo
c2116a17 199 )
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200 }
201else
202 say_color() {
1ece1274 203 test -z "$1" && test -n "$quiet" && return
55db1df0 204 shift
5099b99d 205 echo "$*"
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206 }
207fi
208
209error () {
210 say_color error "error: $*"
6e7b5aaf 211 GIT_EXIT_OK=t
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212 exit 1
213}
214
215say () {
216 say_color info "$*"
217}
218
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219test "${test_description}" != "" ||
220error "Test script did not set test_description."
221
222if test "$help" = "t"
223then
224 echo "$test_description"
225 exit 0
226fi
227
4d9d62fa 228exec 5>&1
781f76b1 229exec 6<&0
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230if test "$verbose" = "t"
231then
232 exec 4>&2 3>&1
233else
234 exec 4>/dev/null 3>/dev/null
235fi
236
237test_failure=0
238test_count=0
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239test_fixed=0
240test_broken=0
2d84e9fb 241test_success=0
e1970ce4 242
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243test_external_has_tap=0
244
faa4bc35 245die () {
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246 code=$?
247 if test -n "$GIT_EXIT_OK"
248 then
249 exit $code
250 else
251 echo >&5 "FATAL: Unexpected exit with code $code"
252 exit 1
253 fi
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254}
255
6e7b5aaf 256GIT_EXIT_OK=
35641310 257trap 'die' EXIT
41184273 258
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259# The user-facing functions are loaded from a separate file so that
260# test_perf subshells can have them too
3c8f12c9 261. "$TEST_DIRECTORY/test-lib-functions.sh"
05236a5e 262
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263# You are not expected to call test_ok_ and test_failure_ directly, use
264# the text_expect_* functions instead.
265
266test_ok_ () {
d5d9de1b 267 test_success=$(($test_success + 1))
5099b99d 268 say_color "" "ok $test_count - $@"
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269}
270
886856ab 271test_failure_ () {
d5d9de1b 272 test_failure=$(($test_failure + 1))
5e5c006e 273 say_color error "not ok $test_count - $1"
bf0dd8a8 274 shift
5099b99d 275 echo "$@" | sed -e 's/^/# /'
6e7b5aaf 276 test "$immediate" = "" || { GIT_EXIT_OK=t; exit 1; }
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277}
278
41ac414e 279test_known_broken_ok_ () {
41ac414e 280 test_fixed=$(($test_fixed+1))
5099b99d 281 say_color "" "ok $test_count - $@ # TODO known breakage"
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282}
283
284test_known_broken_failure_ () {
41ac414e 285 test_broken=$(($test_broken+1))
e8e51955 286 say_color warn "not ok $test_count - $@ # TODO known breakage"
41ac414e 287}
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288
289test_debug () {
8e832ebc 290 test "$debug" = "" || eval "$1"
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291}
292
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293test_eval_ () {
294 # This is a separate function because some tests use
295 # "return" to end a test_expect_success block early.
781f76b1 296 eval </dev/null >&3 2>&4 "$*"
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297}
298
4d9d62fa 299test_run_ () {
b6b0afdc 300 test_cleanup=:
b586744a 301 expecting_failure=$2
a7c58f28 302 test_eval_ "$1"
b6b0afdc 303 eval_ret=$?
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304
305 if test -z "$immediate" || test $eval_ret = 0 || test -n "$expecting_failure"
306 then
a7c58f28 307 test_eval_ "$test_cleanup"
b586744a 308 fi
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309 if test "$verbose" = "t" && test -n "$HARNESS_ACTIVE"
310 then
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311 echo ""
312 fi
aa0bcf96 313 return "$eval_ret"
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314}
315
04ece593 316test_skip () {
8586f98b 317 test_count=$(($test_count+1))
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318 to_skip=
319 for skp in $GIT_SKIP_TESTS
320 do
8586f98b 321 case $this_test.$test_count in
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322 $skp)
323 to_skip=t
47e67d47 324 break
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325 esac
326 done
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327 if test -z "$to_skip" && test -n "$test_prereq" &&
328 ! test_have_prereq "$test_prereq"
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329 then
330 to_skip=t
331 fi
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332 case "$to_skip" in
333 t)
07431fc8 334 of_prereq=
05236a5e 335 if test "$missing_prereq" != "$test_prereq"
07431fc8 336 then
05236a5e 337 of_prereq=" of $test_prereq"
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338 fi
339
55db1df0 340 say_color skip >&3 "skipping test: $@"
07431fc8 341 say_color skip "ok $test_count # skip $1 (missing $missing_prereq${of_prereq})"
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342 : true
343 ;;
344 *)
345 false
346 ;;
347 esac
348}
349
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350# stub; perf-lib overrides it
351test_at_end_hook_ () {
352 :
353}
354
e1970ce4 355test_done () {
6e7b5aaf 356 GIT_EXIT_OK=t
2d84e9fb 357
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358 if test -z "$HARNESS_ACTIVE"
359 then
342e9ef2 360 test_results_dir="$TEST_OUTPUT_DIRECTORY/test-results"
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361 mkdir -p "$test_results_dir"
362 test_results_path="$test_results_dir/${0%.sh}-$$.counts"
363
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364 cat >>"$test_results_path" <<-EOF
365 total $test_count
366 success $test_success
367 fixed $test_fixed
368 broken $test_broken
369 failed $test_failure
370
371 EOF
8ef1abe5 372 fi
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373
374 if test "$test_fixed" != 0
375 then
5099b99d 376 say_color pass "# fixed $test_fixed known breakage(s)"
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377 fi
378 if test "$test_broken" != 0
379 then
e8e51955 380 say_color warn "# still have $test_broken known breakage(s)"
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381 msg="remaining $(($test_count-$test_broken)) test(s)"
382 else
383 msg="$test_count test(s)"
41ac414e 384 fi
e1970ce4 385 case "$test_failure" in
10b94e28 386 0)
5099b99d 387 # Maybe print SKIP message
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388 if test -n "$skip_all" && test $test_count -gt 0
389 then
390 error "Can't use skip_all after running some tests"
391 fi
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392 [ -z "$skip_all" ] || skip_all=" # SKIP $skip_all"
393
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394 if test $test_external_has_tap -eq 0
395 then
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396 if test $test_count -gt 0
397 then
398 say_color pass "# passed all $msg"
399 fi
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400 say "1..$test_count$skip_all"
401 fi
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402
403 test -d "$remove_trash" &&
404 cd "$(dirname "$remove_trash")" &&
405 rm -rf "$(basename "$remove_trash")"
406
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407 test_at_end_hook_
408
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409 exit 0 ;;
410
411 *)
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412 if test $test_external_has_tap -eq 0
413 then
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414 say_color error "# failed $test_failure among $msg"
415 say "1..$test_count"
416 fi
5099b99d 417
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418 exit 1 ;;
419
420 esac
421}
422
e4597aae 423if test -n "$valgrind"
4e1be63c 424then
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425 make_symlink () {
426 test -h "$2" &&
427 test "$1" = "$(readlink "$2")" || {
428 # be super paranoid
429 if mkdir "$2".lock
430 then
431 rm -f "$2" &&
432 ln -s "$1" "$2" &&
433 rm -r "$2".lock
434 else
435 while test -d "$2".lock
436 do
437 say "Waiting for lock on $2."
438 sleep 1
439 done
440 fi
441 }
442 }
443
444 make_valgrind_symlink () {
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445 # handle only executables, unless they are shell libraries that
446 # need to be in the exec-path. We will just use "#!" as a
447 # guess for a shell-script, since we have no idea what the user
448 # may have configured as the shell path.
449 test -x "$1" ||
450 test "#!" = "$(head -c 2 <"$1")" ||
451 return;
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452
453 base=$(basename "$1")
6cec5c68 454 symlink_target=$GIT_BUILD_DIR/$base
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455 # do not override scripts
456 if test -x "$symlink_target" &&
457 test ! -d "$symlink_target" &&
458 test "#!" != "$(head -c 2 < "$symlink_target")"
459 then
460 symlink_target=../valgrind.sh
461 fi
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462 case "$base" in
463 *.sh|*.perl)
464 symlink_target=../unprocessed-script
465 esac
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466 # create the link, or replace it if it is out of date
467 make_symlink "$symlink_target" "$GIT_VALGRIND/bin/$base" || exit
468 }
469
470 # override all git executables in TEST_DIRECTORY/..
471 GIT_VALGRIND=$TEST_DIRECTORY/valgrind
472 mkdir -p "$GIT_VALGRIND"/bin
6cec5c68 473 for file in $GIT_BUILD_DIR/git* $GIT_BUILD_DIR/test-*
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474 do
475 make_valgrind_symlink $file
476 done
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477 # special-case the mergetools loadables
478 make_symlink "$GIT_BUILD_DIR"/mergetools "$GIT_VALGRIND/bin/mergetools"
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479 OLDIFS=$IFS
480 IFS=:
481 for path in $PATH
482 do
483 ls "$path"/git-* 2> /dev/null |
484 while read file
485 do
486 make_valgrind_symlink "$file"
487 done
488 done
489 IFS=$OLDIFS
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490 PATH=$GIT_VALGRIND/bin:$PATH
491 GIT_EXEC_PATH=$GIT_VALGRIND/bin
492 export GIT_VALGRIND
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493elif test -n "$GIT_TEST_INSTALLED"
494then
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495 GIT_EXEC_PATH=$($GIT_TEST_INSTALLED/git --exec-path) ||
496 error "Cannot run git from $GIT_TEST_INSTALLED."
6cec5c68 497 PATH=$GIT_TEST_INSTALLED:$GIT_BUILD_DIR:$PATH
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498 GIT_EXEC_PATH=${GIT_TEST_EXEC_PATH:-$GIT_EXEC_PATH}
499else # normal case, use ../bin-wrappers only unless $with_dashes:
6cec5c68 500 git_bin_dir="$GIT_BUILD_DIR/bin-wrappers"
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501 if ! test -x "$git_bin_dir/git"
502 then
503 if test -z "$with_dashes"
504 then
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505 say "$git_bin_dir/git is not executable; using GIT_EXEC_PATH"
506 fi
507 with_dashes=t
508 fi
509 PATH="$git_bin_dir:$PATH"
6cec5c68 510 GIT_EXEC_PATH=$GIT_BUILD_DIR
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511 if test -n "$with_dashes"
512 then
6cec5c68 513 PATH="$GIT_BUILD_DIR:$PATH"
e4597aae 514 fi
4e1be63c 515fi
6cec5c68 516GIT_TEMPLATE_DIR="$GIT_BUILD_DIR"/templates/blt
8bfa6bd6 517unset GIT_CONFIG
8bfa6bd6 518GIT_CONFIG_NOSYSTEM=1
3c995beb 519GIT_ATTR_NOSYSTEM=1
8f323c00 520export PATH GIT_EXEC_PATH GIT_TEMPLATE_DIR GIT_CONFIG_NOSYSTEM GIT_ATTR_NOSYSTEM
49ccb087 521
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522if test -z "$GIT_TEST_CMP"
523then
524 if test -n "$GIT_TEST_CMP_USE_COPIED_CONTEXT"
525 then
526 GIT_TEST_CMP="$DIFF -c"
527 else
528 GIT_TEST_CMP="$DIFF -u"
529 fi
530fi
531
6cec5c68 532GITPERLLIB="$GIT_BUILD_DIR"/perl/blib/lib:"$GIT_BUILD_DIR"/perl/blib/arch/auto/Git
6fcca938 533export GITPERLLIB
6cec5c68 534test -d "$GIT_BUILD_DIR"/templates/blt || {
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535 error "You haven't built things yet, have you?"
536}
e1970ce4 537
ac10a857 538if test -z "$GIT_TEST_INSTALLED" && test -z "$NO_PYTHON"
2fe40b63 539then
6cec5c68 540 GITPYTHONLIB="$GIT_BUILD_DIR/git_remote_helpers/build/lib"
2fe40b63 541 export GITPYTHONLIB
6cec5c68 542 test -d "$GIT_BUILD_DIR"/git_remote_helpers/build || {
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543 error "You haven't built git_remote_helpers yet, have you?"
544 }
545fi
546
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547if ! test -x "$GIT_BUILD_DIR"/test-chmtime
548then
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549 echo >&2 'You need to build test-chmtime:'
550 echo >&2 'Run "make test-chmtime" in the source (toplevel) directory'
551 exit 1
552fi
553
e1970ce4 554# Test repository
abc5d372 555test="trash directory.$(basename "$0" .sh)"
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556test -n "$root" && test="$root/$test"
557case "$test" in
558/*) TRASH_DIRECTORY="$test" ;;
342e9ef2 559 *) TRASH_DIRECTORY="$TEST_OUTPUT_DIRECTORY/$test" ;;
f423ef5f 560esac
91c8b825 561test ! -z "$debug" || remove_trash=$TRASH_DIRECTORY
8d14ac94 562rm -fr "$test" || {
6e7b5aaf 563 GIT_EXIT_OK=t
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564 echo >&5 "FATAL: Cannot prepare test area"
565 exit 1
566}
567
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568HOME="$TRASH_DIRECTORY"
569export HOME
570
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571if test -z "$TEST_NO_CREATE_REPO"
572then
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573 test_create_repo "$test"
574else
575 mkdir -p "$test"
576fi
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577# Use -P to resolve symlinks in our working directory so that the cwd
578# in subprocesses like git equals our $PWD (for pathname comparisons).
579cd -P "$test" || exit 1
04ece593 580
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581this_test=${0##*/}
582this_test=${this_test%%-*}
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583for skp in $GIT_SKIP_TESTS
584do
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585 case "$this_test" in
586 $skp)
0a6d4751 587 say_color info >&3 "skipping test $this_test altogether"
637ab29b 588 skip_all="skip all tests in $this_test"
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589 test_done
590 esac
591done
f17e9fbb 592
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593# Provide an implementation of the 'yes' utility
594yes () {
595 if test $# = 0
596 then
597 y=y
598 else
599 y="$*"
600 fi
601
602 while echo "$y"
603 do
604 :
605 done
606}
607
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608# Fix some commands on Windows
609case $(uname -s) in
610*MINGW*)
611 # Windows has its own (incompatible) sort and find
612 sort () {
613 /usr/bin/sort "$@"
614 }
615 find () {
616 /usr/bin/find "$@"
617 }
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618 sum () {
619 md5sum "$@"
620 }
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621 # git sees Windows-style pwd
622 pwd () {
623 builtin pwd -W
624 }
ee9fb68c 625 # no POSIX permissions
6fd1106a 626 # backslashes in pathspec are converted to '/'
fb9a2bea 627 # exec does not inherit the PID
a94114ad 628 test_set_prereq MINGW
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629 test_set_prereq SED_STRIPS_CR
630 ;;
631*CYGWIN*)
632 test_set_prereq POSIXPERM
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633 test_set_prereq EXECKEEPSPID
634 test_set_prereq NOT_MINGW
635 test_set_prereq SED_STRIPS_CR
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636 ;;
637*)
638 test_set_prereq POSIXPERM
6fd1106a 639 test_set_prereq BSLASHPSPEC
fb9a2bea 640 test_set_prereq EXECKEEPSPID
3ba9ba8f 641 test_set_prereq NOT_MINGW
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642 ;;
643esac
704a3143 644
b082687c 645( COLUMNS=1 && test $COLUMNS = 1 ) && test_set_prereq COLUMNS_CAN_BE_1
1b19ccd2 646test -z "$NO_PERL" && test_set_prereq PERL
d4e1b47a 647test -z "$NO_PYTHON" && test_set_prereq PYTHON
8f852ce6 648test -n "$USE_LIBPCRE" && test_set_prereq LIBPCRE
5e9637c6 649test -z "$NO_GETTEXT" && test_set_prereq GETTEXT
1b19ccd2 650
bb946bba 651# Can we rely on git's output in the C locale?
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652if test -n "$GETTEXT_POISON"
653then
654 GIT_GETTEXT_POISON=YesPlease
655 export GIT_GETTEXT_POISON
5e9637c6 656 test_set_prereq GETTEXT_POISON
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657else
658 test_set_prereq C_LOCALE_OUTPUT
659fi
bb946bba 660
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661# Use this instead of test_cmp to compare files that contain expected and
662# actual output from git commands that can be translated. When running
663# under GETTEXT_POISON this pretends that the command produced expected
664# results.
665test_i18ncmp () {
666 test -n "$GETTEXT_POISON" || test_cmp "$@"
667}
668
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669# Use this instead of "grep expected-string actual" to see if the
670# output from a git command that can be translated either contains an
671# expected string, or does not contain an unwanted one. When running
672# under GETTEXT_POISON this pretends that the command produced expected
673# results.
674test_i18ngrep () {
675 if test -n "$GETTEXT_POISON"
676 then
677 : # pretend success
678 elif test "x!" = "x$1"
679 then
680 shift
681 ! grep "$@"
682 else
683 grep "$@"
684 fi
685}
686
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687test_lazy_prereq SYMLINKS '
688 # test whether the filesystem supports symbolic links
689 ln -s x y && test -h y
690'
c91cfd19 691
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692test_lazy_prereq CASE_INSENSITIVE_FS '
693 echo good >CamelCase &&
694 echo bad >camelcase &&
695 test "$(cat CamelCase)" != good
696'
697
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698test_lazy_prereq UTF8_NFD_TO_NFC '
699 # check whether FS converts nfd unicode to nfc
700 auml=$(printf "\303\244")
701 aumlcdiar=$(printf "\141\314\210")
702 >"$auml" &&
703 case "$(echo *)" in
704 "$aumlcdiar")
705 true ;;
706 *)
707 false ;;
708 esac
709'
710
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711# When the tests are run as root, permission tests will report that
712# things are writable when they shouldn't be.
713test -w / || test_set_prereq SANITY