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#! /bin/sh
# Copyright (C) 2005-2012 Red Hat, Inc.
# This file is part of elfutils.
#
# This file 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 of the License, or
# (at your option) any later version.
#
# elfutils 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 <http://www.gnu.org/licenses/>.


# This file is sourced by ". $srcdir/test-subr.sh" at the start of
# each test script.  It defines some functions they use and sets up
# canonical sh state for test runs.

set -e

#LC_ALL=C
#export LC_ALL

remove_files=
trap 'rm -f $remove_files' 0

tempfiles()
{
  remove_files="$remove_files $*"
}

testfiles()
{
  for file; do
    bunzip2 -c $srcdir/${file}.bz2 > ${file} 2>/dev/null || exit 77
    remove_files="$remove_files $file"
  done
}

testrun_out()
{
  outfile="$1"
  shift
  remove_files="$remove_files $outfile"
  testrun "$@" > $outfile 2>&1 || :
}

testrun_compare()
{
  outfile="${1##*/}.out"
  testrun_out $outfile "$@"
  diff -u $outfile -
  # diff's exit status will kill the script.
}

test_cleanup()
{
  rm -f $remove_files
  remove_files=
}

# See test-wrapper.sh, which sets the environment for this.
testrun()
{
  ${elfutils_testrun}_testrun "$@"
}

built_testrun()
{
  LD_LIBRARY_PATH="${built_library_path}${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH"\
  "$@"
}

installed_testrun()
{
  program="$1"
  shift
  case "$program" in
  ./*)
    if [ "x$elfutils_tests_rpath" != xno ]; then
      echo >&2 installcheck not possible with --enable-tests-rpath
      exit 77
    fi
    ;;
  ../*)
    program=${bindir}/`program_transform ${program##*/}`
    ;;
  esac
  if [ "${libdir}" != /usr/lib ] && [ "${libdir}" != /usr/lib64 ]; then
    LD_LIBRARY_PATH="${libdir}:${libdir}/elfutils\
${LD_LIBRARY_PATH:+:}$LD_LIBRARY_PATH" \
    $program ${1+"$@"}
  else
    $program ${1+"$@"}
  fi
}

program_transform()
{
  echo "$*" | sed "${program_transform_name}"
}

self_test_files=`echo ../src/addr2line ../src/elfcmp ../src/elflint \
../src/findtextrel ../src/ld ../src/nm ../src/objdump ../src/readelf \
../src/size ../src/strip ../libelf/libelf.so ../libdw/libdw.so \
../libasm/libasm.so ../backends/libebl_*.so`

# Prebuild binary in case we don't have a C++11 capable compiler around.
extra_self_test_files=testfile-cxx-various
self_test_files="$self_test_files $extra_self_test_files"

# This file might not exist if we don't have a C++ compiler around.
if test -f cxx-various; then
  self_test_files="$self_test_files cxx-various"
fi

# Provide a command to run on all self-test files with testrun.
testrun_on_self()
{
  exit_status=0

  testfiles $extra_self_test_files
  for file in $self_test_files; do
      testrun $* $file \
	  || { echo "*** failure in $* $file"; exit_status=1; }
  done

  # Only exit if something failed
  if test $exit_status != 0; then exit $exit_status; fi
}

# Same as above, but redirects stdout to /dev/null
testrun_on_self_quiet()
{
  exit_status=0

  testfiles $extra_self_test_files
  for file in $self_test_files; do
      testrun $* $file > /dev/null \
	  || { echo "*** failure in $* $file"; exit_status=1; }
  done

  # Only exit if something failed
  if test $exit_status != 0; then exit $exit_status; fi
}

# Make sure the testrun doesn't contain some regular expression output.
# First argument is an egrep regular expression, the rest is the command
# to run on all self test files.
testrun_on_self_nomatch()
{
  pattern="$1"
  shift

  exit_status=0
  tempfiles self_matches.in self_matches.out

  testfiles $extra_self_test_files
  for file in $self_test_files; do
    testrun "$@" $file > self_matches.in
    # egrep should fail to match anything, but we also want to show
    # what it matched if it doesn't fail, so save output.
    grep_ok=0
    egrep -o "$pattern" < self_matches.in > self_matches.out || grep_ok=1
    if test $grep_ok == 0; then
      echo "*** failure in $* $file"
      sort -u self_matches.out
      exit_status=1;
    fi
  done

  # Only exit if something failed
  test $exit_status == 0 || exit $exit_status
}