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# Copyright (C) 1992 - 2002, 2003 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 2 of the License, 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, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
# Please email any bugs, comments, and/or additions to this file to:
# bug-dejagnu@gnu.org
# This file was written by Rob Savoye. (rob@welcomehome.org)
#
# Run a utility and test the result.
#
# Parameters:
# First one is the command
# Second one is command arguments
# Third one is the file name
# Fourth one is the regexp style pattern to match for a PASS
#
# Returns:
# 1 if the test failed,
# 0 if the test passes,
# -1 if there was an internal error.
#
proc util_test { args } {
global verbose
# get the parameters
set cmd [lindex $args 0]
verbose "Utility to execute is $cmd" 2
set cmd_arg [lindex $args 1]
verbose "Command line arguments are $cmd_arg" 2
set file [lindex $args 2]
verbose "The file name to use is $file" 2
set pattern [lindex $args 3]
verbose "The pattern to match is \"$pattern\"" 2
if [info exists file] {
if ![string match "" $file] {
if ![file exists $file] {
perror "$file doesn't exist"
return -1
}
}
}
# Run the utility to be tested and analyze the results.
set comp_output [util_start $cmd $cmd_arg $file]
verbose "Output is \"$comp_output\"" 2
verbose "Pattern is \"$pattern\"" 2
if [regexp "$pattern" $comp_output] {
verbose "Pattern matches." 2
return 0
}
verbose "Pattern does not match." 2
return 1
}
#
# Run the utility
#
# Return NULL or the output.
#
proc util_start { args } {
global verbose
set cmd [lindex $args 0]
set cmd_arg [lindex $args 1]
set file [lindex $args 2]
if {[which $cmd] == 0} {
perror "Can't find $cmd"
return ""
}
if { $verbose > 0 } {
verbose "Spawning \"$cmd $cmd_arg $file\""
} else {
send_log "Spawning \"$cmd $cmd_arg $file\"\n"
}
catch "exec $cmd $cmd_arg $file" comp_output
if ![string match "" $comp_output] {
send_log "$comp_output\n"
}
return $comp_output
}
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