tests/jobs.tests

   1 # test out %+, jobs -p, and $! agreement in a subshell first
   2 ${THIS_SH} ./jobs1.sub
   3
   4 # test out fg/bg failure in a subshell
   5 ${THIS_SH} ./jobs2.sub
   6
   7 jobs
   8 echo $?
   9
  10 # should be a job-control-not-enabled error
  11 wait %1
  12
  13 # make sure we can't fg a job started when job control was not active
  14 sleep 30 &
  15 pid=$!
  16 fg %1
  17 # make sure the killed processes don't cause a message
  18 exec 5>&2
  19 exec 2>/dev/null
  20 kill -n 9 $pid
  21 wait    # make sure we reap the processes while stderr is still redirected
  22 exec 2>&5
  23
  24 echo wait-for-pid
  25 sleep 10 &
  26 wait $!
  27
  28 echo wait-errors
  29 wait 1-1
  30 wait -- -4
  31
  32 echo wait-for-background-pids
  33 sleep 5 &
  34 sleep 8 &
  35 wait
  36
  37 echo async list wait-for-background-pids
  38 sleep 5 & sleep 8 &
  39 wait
  40
  41 echo async list wait for child
  42 sleep 5 & echo forked
  43 wait
  44
  45 echo wait-when-no-children
  46 wait
  47
  48 set -m
  49
  50 echo wait-for-job
  51 sleep 5 &
  52 wait %2         # this should be a no-such-job error
  53 echo $?
  54 wait %1
  55
  56 echo async list wait-for-job
  57 sleep 5 & echo forked
  58 wait %1
  59
  60 echo fg-bg 1
  61 sleep 5 &
  62 %1
  63
  64 echo fg-bg 2
  65 sleep 5 &
  66 fg %%
  67
  68 echo fg-bg 3
  69 sleep 5 &
  70 fg %s
  71
  72 echo fg-bg 4
  73 sleep 5 &
  74 fg %?ee
  75
  76 # these next two are error cases
  77 echo fg-bg 5
  78 sleep 15 &
  79 fg %2           # this should be a no-such-job error
  80 bg %1           # this should be a `bg background job?' error
  81 wait
  82
  83 # these may someday mean to start the jobs, but not print the line
  84 # describing the status, but for now they are errors
  85 echo fg-bg 6
  86 sleep 5 &
  87 fg -s %1
  88 bg -s %1
  89 wait
  90
  91 # someday this may mean to disown all stopped jobs, but for now it is
  92 # an error
  93 disown -s
  94
  95 # this is an error -- the job with the pid that is the value of $! is
  96 # retained only until a `wait' is performed
  97 disown %1
  98
  99 # this, however, is an error
 100 disown %2
 101
 102 echo wait-for-non-child
 103 wait 1
 104 echo $?
 105
 106 exit 1 | exit 2 | exit 3
 107 echo $? -- ${PIPESTATUS[@]} -- ${PIPESTATUS[0]} - ${PIPESTATUS[1]} - ${PIPESTATUS[2]}
 108
 109 sleep 300 &
 110 sleep 350 &
 111 sleep 400 &
 112
 113 jobs
 114
 115 echo running jobs:
 116 jobs -r
 117
 118 # should be an error
 119 kill -n 1 %4
 120 # should be an error
 121 jobs %4
 122 echo current job:
 123 jobs %+
 124 echo previous job:
 125 jobs %-
 126
 127 kill -STOP %2
 128 sleep 5 # give time for the shell to get the stop notification
 129 echo after kill -STOP
 130 echo running jobs:
 131 jobs -r
 132 echo stopped jobs:
 133 jobs -s
 134
 135 disown %1
 136
 137 echo after disown
 138 jobs
 139 echo running jobs:
 140 jobs -r
 141 echo stopped jobs:
 142 jobs -s
 143
 144 kill -s CONT %2
 145 echo after kill -s CONT
 146 echo running jobs:
 147 jobs -r
 148 echo stopped jobs:
 149 jobs -s
 150
 151 kill -STOP %3
 152 sleep 5 # give time for the shell to get the stop notification
 153 echo after kill -STOP, backgrounding %3:
 154 bg %3
 155
 156 disown -h %2
 157
 158 # make sure the killed processes don't cause a message
 159 exec 5>&2
 160 exec 2>/dev/null
 161
 162 echo killing...
 163 kill -n 9 %2 %3
 164 wait    # make sure we reap the processes while stderr is still redirected
 165 echo done
 166
 167 exec 2>&5
 168
 169 sleep 10 &
 170 kill -STOP %1
 171 sleep 5 # give time for the shell to get the stop notification
 172 echo after KILL -STOP, foregrounding %1
 173 fg %1
 174
 175 echo done