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# Copyright (C) 2014-2026 Free Software Foundation, Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3, or (at your option)
# any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <https://www.gnu.org/licenses/>.
# Set up standalone info test environment
# This file is to be sourced, not to be run directly
# write each expanded command to the *.log file for the test.
set -x
# Use the second line to run the program under valgrind.
ginfo="./ginfo"
#ginfo="valgrind --log-file=t/`basename $0.val.log` --leak-check=full ./ginfo"
# Only look for Info files in our test directory
INFOPATH=$srcdir/t/infodir; export INFOPATH
# Do not pick up any files under XDG directories
HOME= ; export HOME
XDG_CONFIG_HOME=$srcdir/t/config ; export XDG_CONFIG_HOME
t=$srcdir/t; export t
ginfo_output=t/`basename $0.out`
# These are only used for interactive tests
pipein=t/`basename $0.pipein`
pty_type=t/`basename $0.pipeout`
# Remove left over file from previous tests
rm -f $ginfo_output
# File to dump nodes to with M-x print-node
INFO_PRINT_COMMAND=">$ginfo_output"; export INFO_PRINT_COMMAND
# Not an interactive test
pty_pid=0
# Get error messages in English
LC_ALL=C; export LC_ALL
# Make sure that non-interactive operation works even if terminal is dumb
TERM=dumb; export TERM
# Clean up if the test is interrupted, for example if the user types
# C-c, to avoid lingering child processes. Signal 2 is SIGINT.
trap cleanup 2
# Cleanup and exit
cleanup ()
{
# Delete created files and kill spawned processes if any.
test $pty_pid -ne 0 && kill $pty_pid
rm -f $ginfo_output
rm -f $pipein $pty_type
#killall `basename $0` # see below
exit $retval
}
# Uncomment this line and "killall" above if previous test runs were not
# cleaned up properly, and rerun "make check".
#cleanup
timeout_test ()
{
wait $ginfo_pid
status=$?
# If the program was not ended by a signal, kill the subshell that
# is waiting to send it a signal.
test $status -lt 128 && kill $killer_pid
retval=0
if test $status != 0; then
retval=1
fi
# Program is gone, so avoid trying to kill it in cleanup
ginfo_pid=0
}
# Functions for interactive tests
# we may look up whether a couple of utilities exist.
path_sep=":"
# findprog PROG - Return true if PROG is somewhere in PATH, else false.
findprog ()
{
saveIFS=$IFS
IFS=$path_sep # break path components at the path separator
for dir in $PATH; do
IFS=$saveIFS
# The basic test for an executable is `test -f $f && test -x $f'.
# (`test -x' is not enough, because it can also be true for directories.)
# We have to try this both for $1 and $1.exe.
#
# Note: On Cygwin and DJGPP, `test -x' also looks for .exe. On Cygwin,
# also `test -f' has this enhancement, but not on DJGPP. (Both are
# design decisions, so there is little chance to make them consistent.)
# Thusly, it seems to be difficult to make use of these enhancements.
#
if { test -f "$dir/$1" && test -x "$dir/$1"; } \
|| { test -f "$dir/$1.exe" && test -x "$dir/$1.exe"; }; then
return 0
fi
done
return 1
}
# Initialize test of interactive operation
initialization_done=0
init_interactive_test ()
{
test $initialization_done -eq 1 && return 0
initialization_done=1
# Skip test if pseudotty wasn't built.
# Note that this should not happen as tests requiring pseudotty
# are only run in the same situation where pseudotty is built.
test -x pseudotty || exit 77
# Avoid ginfo complaining that terminal is too dumb
TERM=vt100; export TERM
# Create named pipes to communicate with pseudotty program, or quit.
rm -f $pipein $pty_type # must already be defined
if findprog mkfifo; then
mkfifo $pipein
mkfifo $pty_type
#
if test ! -r $pipein || test ! -r $pty_type; then
echo "$0: could not mkfifo pipes" >&2
exit 77
fi
# ok, we'll proceed with the test.
else
echo "$0: mkfifo program not found - cannot make named pipes" >&2
exit 77
fi
# We can feed input bytes into $pty_type to be passed onto ginfo, as
# if they were typed by a user in an interactive session.
# We redirect to the FIFO within a subshell, because under NetBSD 6.1.4
# it hangs otherwise.
(exec ./pseudotty "$pty_type" >$pipein) &
pty_pid=$!
# Get name of pseudo-terminal slave device
read pts_device <$pipein
# For passing bytes to the program
exec 7>$pty_type
# glibc can kill a running process if it detects a condition like a
# double free. This specifies that the message it prints when it does
# this should be sent to stderr so it can be recorded in the test *.log
# files.
LIBC_FATAL_STDERR_=1; export LIBC_FATAL_STDERR
}
# test timeouts in seconds
true ${TEXINFO_INFO_TESTS_TIMEOUT:=10}
run_ginfo ()
{
init_interactive_test
(
exec 7>&- ; # Close fd from parent shell
exec $ginfo "$@" 0<>$pts_device 1<&0 ;
) &
ginfo_pid=$!
(sleep $TEXINFO_INFO_TESTS_TIMEOUT ; kill $ginfo_pid) &
killer_pid=$!
}
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