grub/tests/grub_script_shift.in

#! @builddir@/grub-shell-tester

# Run GRUB script in a Qemu instance
# Copyright (C) 2010  Free Software Foundation, Inc.
#
# GRUB 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.
#
# GRUB 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 GRUB.  If not, see <http://www.gnu.org/licenses/>.

function f1 {
  echo f1 '$@' $@
  echo f1 '$*' $*
  echo f1 $# $1 $2 $3
  shift
  echo f1 '$@' $@
  echo f1 '$*' $*
  echo f1 $# $1 $2 $3
}

f1
f1 a
f1 a b
f1 a b c
f1 a b c d
f1 a b c d e

function f2 {
  echo f1 '$@' $@
  echo f1 '$*' $*
  echo f2 $# $1 $2 $3
  shift 1
  echo f1 '$@' $@
  echo f1 '$*' $*
  echo f2 $# $1 $2 $3
}

f2
f2 a
f2 a b
f2 a b c
f2 a b c d
f2 a b c d e

function f3 {
  echo f1 '$@' $@
  echo f1 '$*' $*
  echo f3 $# $1 $2 $3
  shift 3
  echo f1 '$@' $@
  echo f1 '$*' $*
  echo f3 $# $1 $2 $3
}

f3
f3 a
f3 a b
f3 a b c
f3 a b c d
f3 a b c d e

function f4 {
  echo f1 '$@' $@
  echo f1 '$*' $*
  echo f4 $# $1 $2 $3
  shift 100
  echo f1 '$@' $@
  echo f1 '$*' $*
  echo f4 $# $1 $2 $3
}

f4
f4 a
f4 a b
f4 a b c
f4 a b c d
f4 a b c d e