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# Copyright (C) 1988, 1990, 1991, 1992 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@prep.ai.mit.edu
# This file was written by Rob Savoye. (rob@cygnus.com)
#
# util_test -- run a utility and test the result.
# Takes four parameters.
# Parameters:
# First one is the command line arguments
# Second one is the file name
# Third one is the regexp style pattern to match for a PASS,
# Fourth one is an optional message to be printed. If this
# a null string "", then the pass/fail messages are not printed.
# 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 [llength $args]==5 then {
set message [lindex $args 4]
} else {
set message "$arg option"
}
verbose "Looking to match \"$pattern\"\nMessage is \"$message\"" 1
if ![file exists $file] then {
error "$file doesn't exist"
return -1
}
#
# run the utility to be tested and analyze the results
#
set comp_output [util_start $cmd $cmd_arg $file]
if [regexp "$pattern" $comp_output] then {
return 0
}
if [string match "" $comp_output] then {
return 1
}
return 1
}
# util_start -- run the utility.
# return NULL or the output
#
proc util_start { args } {
set cmd [lindex $args 0]
set cmd_arg [lindex $args 1]
set file [lindex $args 2]
if {[which $cmd] == 0} then {
error "Can't find $cmd"
return ""
}
verbose "Spawning \"$cmd $cmd_arg $file\"" 1
catch "exec $cmd $cmd_arg $file" comp_output
if ![string match "" $comp_output] then {
send_log "$comp_output\n"
verbose "$comp_output" 1
}
return $comp_output
}
#
# add some basic error trapping. These mostly catch programming error's
# within the tests themselves
#
expect_before {
buffer_full { error "Internal buffer is full" }
"can't open 'nmtest'" { error "Can't open test file" }
}
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