3 # Copyright (C) 1996-2012 Free Software Foundation, Inc.
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, or (at your option)
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.
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/>.
18 ########################################################
19 ### IMPORTANT NOTE: keep this file 'set -e' clean. ###
20 ########################################################
22 # A single whitespace character.
24 # A tabulation character.
26 # A newline character.
30 # As autoconf-generated configure scripts do, ensure that IFS
31 # is defined initially, so that saving and restoring $IFS works.
34 # Source extra configuration.
36 # And fail hard if something went wrong.
37 test $? -eq 0 || exit 99
39 # We use a trap below for cleanup. This requires us to go through
40 # hoops to get the right exit status transported through the signal.
41 # Turn off errexit here so that we don't trip the bug with OSF1/Tru64
42 # sh inside this function (FIXME: is this still relevant now that we
43 # require a POSIX shell?).
47 # See comments in the exit trap for the reason we do this.
48 test 77 = $1 && am__test_skipped=yes
49 # Spurious escaping to ensure we do not call our 'exit' alias.
52 # Avoid interferences from the environment
54 # This alias must actually be placed before any use if 'exit' -- even
55 # just inside a function definition. Weird, but real.
58 ## ------------------------------------ ##
59 ## General testsuite shell functions. ##
60 ## ------------------------------------ ##
62 # Print warnings (e.g., about skipped and failed tests) to this file
63 # number. Override by putting, say:
64 # AM_TESTS_ENVIRONMENT = stderr_fileno_=9; export stderr_fileno_;
65 # AM_TESTS_FD_REDIRECT = 9>&2
66 # in your Makefile.am.
67 # This is useful when using automake's parallel tests mode, to print the
68 # reason for skip/failure to console, rather than to the *.log files.
71 # Helper functions used by "plain" tests of the Automake testsuite
72 # (i.e., tests that don't use any test protocol).
73 # TAP tests will override these functions with their TAP-enhanced
74 # equivalents later (see sourcing of 'tap-functions.sh' below).
75 # These are copied from Gnulib's 'tests/init.sh'.
76 warn_ () { echo "$@" 1>&$stderr_fileno_; }
77 fail_ () { warn_ "$me: failed test: $@"; exit 1; }
78 skip_ () { warn_ "$me: skipped test: $@"; exit 77; }
79 fatal_ () { warn_ "$me: hard error: $@"; exit 99; }
80 framework_failure_ () { warn_ "$me: set-up failure: $@"; exit 99; }
81 # For compatibility with TAP functions.
82 skip_all_ () { skip_ "$@"; }
84 if test $am_using_tap = yes; then
88 ## ---------------------------- ##
89 ## Auxiliary shell functions. ##
90 ## ---------------------------- ##
92 # Tell whether we should keep the test directories around, even in
93 # case of success. By default, we don't.
94 am_keeping_testdirs ()
96 case $keep_testdirs in
97 ""|n|no|NO) return 1;;
102 # seq_ - print a sequence of numbers
103 # ----------------------------------
104 # This function simulates GNU seq(1) portably. Valid usages:
107 # - seq FIRST INCREMENT LAST
111 0) fatal_ "seq_: missing argument";;
112 1) seq_first=1 seq_incr=1 seq_last=$1;;
113 2) seq_first=$1 seq_incr=1 seq_last=$2;;
114 3) seq_first=$1 seq_incr=$2 seq_last=$3;;
115 *) fatal_ "seq_: too many arguments";;
118 while test $i -le $seq_last; do
120 i=$(($i + $seq_incr))
124 # rm_rf_ [FILES OR DIRECTORIES ...]
125 # ---------------------------------
126 # Recursively remove the given files or directory, also handling the case
127 # of non-writable subdirectories.
130 test $# -gt 0 || return 0
131 # Ignore failures in find, we are only interested in failures of the
133 find "$@" -type d ! -perm -700 -exec chmod u+rwx {} \; || :
137 commented_sed_unindent_prog='
138 /^$/b # Nothing to do for empty lines.
139 x # Get x<indent> into pattern space.
140 /^$/{ # No prior x<indent>, go prepare it.
141 g # Copy this 1st non-blank line into pattern space.
142 s/^\(['"$tab"' ]*\).*/x\1/ # Prepare x<indent> in pattern space.
143 } # Now: x<indent> in pattern and <line> in hold.
144 G # Build x<indent>\n<line> in pattern space, and
145 h # duplicate it into hold space.
146 s/\n.*$// # Restore x<indent> in pattern space, and
147 x # exchange with the above duplicate in hold space.
148 s/^x\(.*\)\n\1// # Remove leading <indent> from <line>.
149 s/^x.*\n// # Restore <line> when there is no leading <indent>.
152 # unindent [input files...]
153 # -------------------------
154 # Remove the "proper" amount of leading whitespace from the given files,
155 # and output the result on stdout. That amount is determined by looking
156 # at the leading whitespace of the first non-blank line in the input
157 # files. If no input file is specified, standard input is implied.
160 if test x"$sed_unindent_prog" = x; then
161 sed_unindent_prog=$(printf '%s\n' "$commented_sed_unindent_prog" \
162 | sed -e "s/ *# .*//")
164 sed "$sed_unindent_prog" ${1+"$@"}
166 sed_unindent_prog="" # Avoid interferences from the environment.
168 ## ---------------------------------------------------------------- ##
169 ## Create and set up of the temporary directory used by the test. ##
170 ## Set up of the exit trap for cleanup of said directory. ##
171 ## ---------------------------------------------------------------- ##
173 # Set up the exit trap.
178 cd "$am_top_builddir"
179 if test $am_using_tap = yes; then
180 if test "$planned_" = later && test $exit_status -eq 0; then
183 test $exit_status -eq 0 && test $tap_pass_count_ -eq $tap_count_ \
186 # This is to ensure that a test script does give a SKIP outcome just
187 # because a command in it happens to exit with status 77. This
188 # behaviour, while from time to time useful to developers, is not
189 # meant to be enabled by default, as it could cause spurious failures
190 # in the wild. Thus it will be enabled only when the variable
191 # "am_explicit_skips" is set to a "true" value.
192 case $am_explicit_skips in
194 if test $exit_status -eq 77 && test $am__test_skipped != yes; then
195 echo "$me: implicit skip turned into failure"
199 test $exit_status -eq 0 || keep_testdirs=yes
201 am_keeping_testdirs || rm_rf_ $am_test_subdir
203 echo "$me: exit $exit_status"
204 # Spurious escaping to ensure we do not call our "exit" alias.
210 trap 'am_exit_trap $?' 0
211 trap "fatal_ 'caught signal SIGHUP'" 1
212 trap "fatal_ 'caught signal SIGINT'" 2
213 trap "fatal_ 'caught signal SIGTERM'" 15
214 # Various shells seems to just ignore SIGQUIT under some circumstances,
215 # even if the signal is not blocked; however, if the signal it trapped,
216 # the trap gets correctly executed. So we also trap SIGQUIT.
217 # Here is a list of some shells that have been verified to exhibit the
218 # problematic behavior with SIGQUIT:
219 # - zsh 4.3.12 on Debian GNU/Linux
220 # - /bin/ksh and /usr/xpg4/bin/sh on Solaris 10
221 # - Bash 3.2.51 on Solaris 10 and bash 4.1.5 on Debian GNU/Linux
222 # - AT&T ksh on Debian Gnu/Linux (deb package ksh, version 93u-1)
223 # OTOH, at least these shells that do *not* exhibit that behaviour:
224 # - modern version of the Almquist Shell (at least 0.5.5.1), on
225 # both Solaris and GNU/Linux
226 # - public domain Korn Shell, version 5.2.14, on Debian GNU/Linux
227 trap "fatal_ 'caught signal SIGQUIT'" 3
228 # Ignore further SIGPIPE in the trap code. This is required to avoid
229 # a very weird issue with some shells, at least when the execution of
230 # the automake testsuite is driven by the 'prove' utility: if prove
231 # (or the make process that has spawned it) gets interrupted with
232 # Ctrl-C, the shell might go in a loop, continually getting a SIGPIPE,
233 # sometimes finally dumping core, other times hanging indefinitely.
234 # See also Test::Harness bug [rt.cpan.org #70855], archived at
235 # <https://rt.cpan.org/Ticket/Display.html?id=70855>
236 trap "trap '' 13; fatal_ 'caught signal SIGPIPE'" 13
241 process_requirements $required
243 # Create and populate the temporary directory, if required.
244 if test x"$am_create_testdir" = x"no"; then