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# Tests for the kill builtin.
#
# The exit codes 11 and 19 in this file don't mean anything special; they're
# just exit codes which are specific enough that the failure of `kill` itself
# can be differentiated from exiting due to executing a trap.

%test

# Correct invocation

  if zmodload zsh/system &>/dev/null; then
    (
      trap 'exit 19' TERM
      kill $sysparams[pid]
    )
  else
    ZTST_skip='Cannot zmodload zsh/system, skipping kill with no sigspec'
  fi
19:kill with no sigspec


  if zmodload zsh/system &>/dev/null; then
    (
      trap 'exit 11' USR1
      kill -USR1 $sysparams[pid]
    )
  else
    ZTST_skip='Cannot zmodload zsh/system, skipping kill with sigspec'
  fi
11:kill with sigspec

# Incorrect invocation

  (
    kill a b c
  )
3:kill with multiple wrong inputs should increment status
?(eval):kill:2: illegal pid: a
?(eval):kill:2: illegal pid: b
?(eval):kill:2: illegal pid: c

  (
    kill -INT a b c
  )
3:kill with sigspec and wrong inputs should increment status
?(eval):kill:2: illegal pid: a
?(eval):kill:2: illegal pid: b
?(eval):kill:2: illegal pid: c

  (
    kill
  )
1:kill with no arguments
?(eval):kill:2: not enough arguments

  (
    kill -INT
  )
1:kill with sigspec only
?(eval):kill:2: not enough arguments

# Regression tests: `kill ''` should not result in `kill 0`.
#
# We use SIGURG where an explicit sigspec can be provided as:
#
# 1. By default it's non-terminal, so even if we regress, we won't kill the
#    test runner and other processes in the process group since we'll stop
#    running this test before we get to the plain kill (and thus SIGTERM)
#    cases;
# 2. It's also unlikely to be sent for any other reason during the process
#    lifetime, so the test shouldn't be flaky.

  (
    trap 'exit 11' URG
    kill -URG ''
  )
1:kill with empty pid and sigspec should not send signal to current process group
?(eval):kill:3: illegal pid: 

  (
    trap 'exit 19' TERM
    kill ''
  )
1:Plain kill with empty pid should not send signal to current process group
?(eval):kill:3: illegal pid: