# Copyright (C) 2018 Free Software Foundation, Inc.
#
# This file is part of DejaGnu.
#
# DejaGnu 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.
#
# DejaGnu 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 DejaGnu; if not, write to the Free Software Foundation,
# Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.

# This file was written by Jacob Bachmeyer.

# each element: { name args envars exit_code output_re... }
set tests {
    { "have shell, always" {--DGTimpl sh} {} 0 "" }
    { "report error probing 'echo'" {--DGTimpl echo} {} 2 "" }

    { "have no Awk"	{--DGTimpl awk}  {AWK=bogus GAWK=bogus} 1 "" }
    { "have Awk"	{--DGTimpl awk}  {AWK=true  GAWK=bogus} 0 "" }

    { "have no GNU Awk"	{--DGTimpl gawk} {GAWK=bogus} 1 "" }
    { "have GNU Awk"	{--DGTimpl gawk} {GAWK=true }  0 "" }

    { "GNU Awk substitutes for Awk"
			{--DGTimpl awk}  {AWK=bogus GAWK=true} 0 "" }

    { "have no Tcl"	{--DGTimpl tcl}  {TCLSH=bogus EXPECT=bogus} 1 "" }
    { "have Tcl"	{--DGTimpl tcl}  {TCLSH=true  EXPECT=bogus} 0 "" }

    { "have no Expect"	{--DGTimpl exp}  {EXPECT=bogus} 1 "" }
    { "have Expect"	{--DGTimpl exp}  {EXPECT=true }  0 "" }

    { "Expect substitutes for Tcl"
			{--DGTimpl tcl}  {TCLSH=bogus EXPECT=true} 0 "" }
}

if { [which true] == 0 || [which bogus] != 0 } {
    skip_dejagnu_launcher_tests \
	"Either 'true' is not on PATH or 'bogus' is." \
	unresolved $tests
} elseif { ![file isdirectory [file join [file dirname $LAUNCHER] commands]] } {
    skip_dejagnu_launcher_tests \
	"The 'commands' directory is not present in the source tree." \
	unsupported $tests
} else {
    run_dejagnu_launcher_tests $LAUNCHER $tests
}

#EOF