# fail.at -- test that libtool really fail when it should     -*- Autotest -*-
#
#   Copyright (C) 2005, 2008-2009, 2011-2019, 2021-2022 Free Software
#   Foundation, Inc.
#   Written by Ralf Wildenhues, 2005
#
#   This file is part of GNU Libtool.
#
# GNU Libtool 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 2 of
# the License, or (at your option) any later version.
#
# GNU Libtool 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 GNU Libtool; see the file COPYING.  If not, a copy
# can be downloaded from  http://www.gnu.org/licenses/gpl.html,
# or obtained by writing to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
####

# TODO: many possible failure cases missing.  (But how to simulate a full disk?)

AT_SETUP([Failure tests])
AT_KEYWORDS([libtool])
eval `$LIBTOOL --config | $EGREP '^(pic_mode|pic_flag|build_old_libs|build_libtool_libs)='`
LDFLAGS="$LDFLAGS -no-undefined"

m4_pushdef([FAIL_CHECK],
[AT_CHECK([if $1; then (exit 1); else :; fi], [0], [ignore], [ignore])
])

AT_DATA([script],
[[#! /bin/sh
exit 0
]])
chmod +x script
if test -x script >/dev/null 2>&1; then
  test_x="test -x"
else
  test_x=:
fi

# compile failure
echo 'choke me' > a.c
FAIL_CHECK([$LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c a.c])
AT_CHECK([test -f a.lo], [1])

# non-PIC compile failure
case $pic_mode in default | no)
  case " $CFLAGS " in
   *\ -prefer-pic\ *) ;;
   *)
    case $build_old_libs,$pic_flag in yes,*-DPIC*)
      AT_DATA([a.c], [[
#ifndef PIC
  choke me
#endif
]])
      FAIL_CHECK([$LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -no-suppress -c a.c])
      AT_CHECK([test -f a.lo], [1])
      ;;
    esac
    ;;
  esac
  ;;
esac

# program creation failure.
# We can't rely on 'main' not being present: the QNX linker
# won't error out in that case, although the resulting binary won't work.
# So we provoke a link failure due to an unresolved symbol, and require
# libtool to fail only if the link without libtool would have failed, too.
cat > a.c <<'EOF'
extern int nonexistent_function (void);
int main (void)
{
  return nonexistent_function ();
}
EOF
$CC $CPPFLAGS $CFLAGS -c a.c
if $CC $CFLAGS $LDFLAGS -o a$EXEEXT a.$OBJEXT; then :; else
  rm -f a a$EXEEXT
  FAIL_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o a$EXEEXT a.$OBJEXT])
  AT_CHECK([{ test -f a && $test_x a; } || { test -f a$EXEEXT && $test_x a$EXEEXT; }], [1])
  FAIL_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o a$EXEEXT a.$OBJEXT -static])
  AT_CHECK([{ test -f a && $test_x a; } || { test -f a$EXEEXT && $test_x a$EXEEXT; }], [1])
fi

# shared library creation failure
case $build_libtool_libs in yes)
  echo 'int duplicate_name(void) { return 0; }' > a.c
  echo 'double duplicate_name(double x) { return 2.*x; }' > b.c
  $LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c a.c
  $LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c b.c
  # Unfortunately, this may actually succeed on AIX and IRIX  :(
  # So, also add a bogus object file to provoke more failure.
  echo 'int whatever(void) { return 0;}' > c.c
  $LIBTOOL --mode=compile $CC $CPPFLAGS $CFLAGS -c c.c
  (
    . ./c.lo
    test none = "$pic_object"     || echo choke me >"$pic_object"
    test none = "$non_pic_object" || echo choke me >"$non_pic_object"
  )
  FAIL_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o liba.la a.lo b.lo c.lo -rpath /foo])
  AT_CHECK([test -f liba.la], [1])
  ;;
esac

# Ensure we diagnose '-L path'.
echo 'int main () { return 0; }' > d.c
echo 'int foo () { return 0; }' > space-after-L.c
$CC $CPPFLAGS $CFLAGS -c d.c
$CC $CPPFLAGS $CFLAGS -c space-after-L.c
FAIL_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -L space-after-L.$OBJEXT -o d$EXEEXT d.$OBJEXT])
FAIL_CHECK([$LIBTOOL --mode=link $CC $CFLAGS $LDFLAGS -o d$EXEEXT d.$OBJEXT -L])

m4_popdef([FAIL_CHECK])
AT_CLEANUP
