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# Shell function library for test cases.
#
# Written by Russ Allbery <rra@stanford.edu>
# Copyright 2006, 2007, 2008 Board of Trustees, Leland Stanford Jr. University
#
# See LICENSE for licensing terms.
# The count starts at 1 and is updated each time ok is printed. printcount
# takes "ok" or "not ok".
count=1
printcount () {
echo "$1 $count $2"
count=`expr $count + 1`
}
# Run a program expected to succeed, and print ok if it does and produces
# the correct output. Takes the output as the first argument, the command to
# run as the second argument, and then all subsequent arguments are arguments
# to the command.
runsuccess () {
w_output="$1"
shift
output=`"$@" 2>&1`
status=$?
if [ $status = 0 ] && [ x"$output" = x"$w_output" ] ; then
printcount 'ok'
else
printcount 'not ok'
echo " saw: $output"
echo " not: $w_output"
fi
}
# Run a program expected to fail and make sure it fails with the correct exit
# status and the correct failure message. Takes the expected status, the
# expected output, and then everything else is the command and arguments.
# Strip the second colon and everything after it off the error message since
# it's system-specific.
runfailure () {
w_status="$1"
shift
w_output="$1"
shift
output=`"$@" 2>&1`
status=$?
output=`echo "$output" | sed 's/\(:[^:]*\):.*/\1/'`
if [ $status = $w_status ] && [ x"$output" = x"$w_output" ] ; then
printcount 'ok'
else
printcount 'not ok'
echo " saw: ($status) $output"
echo " not: ($w_status) $w_output"
fi
}
# Skip tests from $1 to $2 inclusive with reason $3.
skip () {
n="$1"
while [ "$n" -le "$2" ] ; do
echo ok "$n # skip $3"
n=`expr "$n" + 1`
done
}
# Given a file name or relative file path, try to cd to the correct directory
# so that the relative file path is valid. Exits with an error if that isn't
# possible.
chdir_data () {
if [ -f "../$1" ] ; then
cd ..
else
if [ -f "tests/$1" ] ; then
cd tests
fi
fi
if [ ! -f "$1" ] ; then
echo "Cannot locate $1" >&2
exit 1
fi
}
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