time/tests/test_time.sh

   1 #!/bin/sh
   2
   3 set -o nounset
   4
   5 TIME="${TIME-/usr/bin/time}"
   6 echo "SUITE: time(1)"
   7 what $TIME
   8 echo
   9
  10 EXIT=0
  11
  12 echo TEST: check real time
  13
  14 TIME_SLEEP=`$TIME 2>&1 sleep 1 | sed -n -E 's/[ ]+([0-9]+).*/\1/p'`
  15 TIME_STATUS=$?
  16
  17 if [ "$TIME_STATUS" -ne "0" ]; then
  18         echo FAIL: time failed with "$TIME_STATUS"
  19         EXIT=1
  20 fi
  21
  22 if [ "$TIME_SLEEP" -lt "0" ]; then
  23         echo FAIL: time mis-timed sleep
  24         EXIT=2
  25 fi
  26
  27 MONOTONIC=`sysctl -n kern.monotonic.task_thread_counting`
  28 if [ "$MONOTONIC" -ne "0" ]; then
  29         echo TEST: check instructions retired
  30
  31         TIME_INSTRS=`$TIME -l 2>&1 sleep 1 | sed -E -n '/instructions/p'`
  32         if [ -z "$TIME_INSTRS" ]; then
  33                 echo FAIL: time is not showing instructions retired
  34                 EXIT=3
  35         fi
  36 else
  37         echo SKIP: check instructions retired
  38 fi
  39
  40 # NB: SIGINT and SIGQUIT work locally, but the automated test harnesses tries to
  41 # handle those signals itself before the fork.
  42
  43 echo TEST: check child SIGUSR1
  44
  45 TIME_USR1=`$TIME 2>&1 sh -c 'kill -USR1 $$ && sleep 5 && true'`
  46 TIME_STATUS=$?
  47 if [ "$TIME_STATUS" -eq "0" ]; then
  48         echo FAIL: time should allow child to receive SIGUSR1
  49         EXIT=4
  50 fi
  51
  52 echo TEST: check non-existent binary
  53 TIME_NONEXIST=`$TIME 2>&1 ./this-wont-exist`
  54 TIME_STATUS=$?
  55 if [ "$TIME_STATUS" -ne "127" ]; then
  56         echo FAIL: time should error when measuring a non-existent command
  57         EXIT=5
  58 fi
  59
  60 exit $EXIT