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# These tests are design especially for the vfork() implementation
# of exec where sh -c must be used and thus we must take extra care
# in quoting arguments to exec.
source [file dirname [info script]]/testing.tcl
needs cmd exec
set d \"
set s '
set b \\
array set saveenv [array get env]
test exec2-1.1 "Quoting - Result" {
exec echo ${d}double quoted${d} ${s}single quoted${s} ${b}backslash quoted${b}
} "\"double\ quoted\"\ 'single quoted'\ \\backslash\ quoted\\"
test exec2-1.2 "Quoting - Word Grouping" {
string trim [exec echo ${d}double quoted${d} ${s}single quoted${s} ${b}backslash quoted${b} | wc -w]
} {6}
test exec2-2.1 "Add to exec environment" {
set env(TESTENV) "the value"
exec printenv | sed -n -e /^TESTENV=/p
} {TESTENV=the value}
test exec2-2.2 "Remove from exec environment" {
set env(TESTENV2) "new value"
unset env(TESTENV)
exec printenv | sed -n -e /^TESTENV=/p
} {}
test exec2-2.3 "Remove all exec environment" {
array unset env *
exec printenv | sed -n -e /^TESTENV2=/p
} {}
test exec2-2.4 "Remove all env var" {
unset -nocomplain env
exec printenv | sed -n -e /^TESTENV2=/p
} {}
array set env [array get saveenv]
test exec2-3.1 "close pipeline return value" {
set f [open |false]
set rc [catch {close $f} msg opts]
lassign [dict get $opts -errorcode] status pid exitcode
list $rc $msg $status $exitcode
} {1 {child process exited abnormally} CHILDSTATUS 1}
test exec2-3.2 "close pipeline return value" -body {
set f [open "|echo abc | grep def | wc" ]
set rc [catch {close $f} msg opts]
lassign [dict get $opts -errorcode] status pid exitcode
list $rc $msg $status $exitcode
} -match glob -result {1 {child killed*} CHILDKILLED SIGPIPE}
test exec2-3.4 "wait for background task" {
set pid [exec sleep 0.1 &]
lassign [wait $pid] status newpid exitcode
if {$pid != $newpid} {
error "Got wrong pid from wait"
} else {
list $status $exitcode
}
} {CHILDSTATUS 0}
testreport
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