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#!/bin/bash
# Copyright 2013 Robin Mittal <robinmittal.it@gmail.com>
# Copyright 2013 Divya Kothari <divya.s.kothari@gmail.com>
[ -f testing.sh ] && . testing.sh
#testing "name" "command" "result" "infile" "stdin"
fun_nice_val()
{
for each_proc in $@
do
echo `awk '{ print $18 }' /proc/${each_proc}/stat`
done
}
# creating processes as a test data
yes >/dev/null &
proc1=$!
yes >/dev/null &
proc2=$!
yes >/dev/null &
proc3=$!
yes >/dev/null &
proc4=$!
yes >/dev/null &
proc5=$!
n_val1=`fun_nice_val $proc1`
n_val2=`fun_nice_val $proc2`
n_val3=`fun_nice_val $proc3`
n_val4=`fun_nice_val $proc4`
n_val5=`fun_nice_val $proc5`
# Redirecting errors to /dev/null
arg="2>/dev/null"
for n_v in "-1" "1"
do
for n_o in "" " -p"
do
nice_val1=$((`fun_nice_val $proc1` + $n_v))
nice_val2=$((`fun_nice_val $proc2` + $n_v))
nice_val3=$((`fun_nice_val $proc3` + $n_v))
nice_val4=$((`fun_nice_val $proc4` + $n_v))
nice_val5=$((`fun_nice_val $proc5` + $n_v))
testing "renice with -n=$n_v and with$n_o multiple_pids" \
"renice -n $n_v$n_o $proc1 $proc2 $proc3 $proc4 $proc5 &&
fun_nice_val $proc1 $proc2 $proc3 $proc4 $proc5" \
"$nice_val1\n$nice_val2\n$nice_val3\n$nice_val4\n$nice_val5\n" "" ""
nice_val1=$((`fun_nice_val $proc1` + $n_v))
nice_val2=$((`fun_nice_val $proc2` + $n_v))
nice_val3=$((`fun_nice_val $proc3` + $n_v))
nice_val4=$((`fun_nice_val $proc4` + $n_v))
nice_val5=$((`fun_nice_val $proc5` + $n_v))
testing "renice with -n=$n_v and with$n_o multiple_pids (some invalid)" \
"renice -n $n_v$n_o $proc1 $proc2 88888 99999 $proc3 $proc4 $proc5 $arg ||
fun_nice_val $proc1 $proc2 $proc3 $proc4 $proc5" \
"$nice_val1\n$nice_val2\n$nice_val3\n$nice_val4\n$nice_val5\n" "" ""
done
done
# Starting Boundary Test Here ..
loop_cnt=2
echo -n "TEST: Boundary value test for Id($proc1)..[old_nice_val/new_nice_val]:"
cnt=0
n_val=1
while [ $cnt -gt -1 ]
do
old_nice_val=`fun_nice_val $proc1`
new_nice_val=`renice -n $n_val $proc1 >/dev/null 2>&1 && fun_nice_val $proc1`
echo -n "[$old_nice_val/$new_nice_val],"
if [ $old_nice_val -eq 39 -a $old_nice_val -eq $new_nice_val ]
then
echo -n " [Equals 39,doing -1] "
n_val="-1"
elif [ $old_nice_val -eq 0 -a $old_nice_val -eq $new_nice_val ]
then
echo -n " [Equals 0,doing +1] "
n_val="1"
elif [ $new_nice_val -gt 39 -o $new_nice_val -lt 0 ]
then
echo " [Test Fail] "
echo "FAIL: renice with step 1 ($proc1) (boundary value)"
cnt="-1"
elif [ $new_nice_val -eq $n_val1 -a $new_nice_val -eq $(($old_nice_val+1)) ]
then
cnt=$(($cnt + 1))
if [ $cnt -eq $loop_cnt ]
then
echo " [Test Pass] "
echo "PASS: renice with step 1 ($proc1) (boundary value)"
cnt="-1"
fi
else
dif=`echo $(($new_nice_val-$old_nice_val))`
dif=`echo ${dif/-}`
if [ $dif -ne 1 ]
then
echo " [Test Fail] "
echo "FAIL: renice with step 1 ($proc1) (boundary value)"
cnt="-1"
fi
fi
done
# Boundary test End
killall yes >/dev/null 2>&1
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