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source [file dirname [info script]]/testing.tcl
needs cmd signal
needs cmd pid
testConstraint try [expr {[info commands try] ne ""}]
test signal-1.1 "catch/throw" {
signal handle TERM
set x 1
set rc [catch -signal {
signal throw -TERM
incr x
} result]
signal default TERM
list [info returncode $rc] $result $x
} {signal SIGTERM 1}
test signal-1.2 "catch/kill" {
signal handle TERM
set x 1
set rc [catch -signal {
kill -TERM [pid]
incr x
} result]
signal default TERM
list [info returncode $rc] $result $x
} {signal SIGTERM 1}
test signal-1.3 "catch/alarm" {
signal handle ALRM
set x 1
set rc [catch -signal {
alarm .2
sleep 1
incr x
} result]
signal default ALRM
list [info returncode $rc] $result $x
} {signal SIGALRM 1}
test signal-1.4 "multiple signals before catch" {
signal handle ALRM INT
kill -INT [pid]
alarm .2
sleep 1
set x 1
set rc [catch -signal {
# Doesn't not execute because signals already active
incr x
} result]
signal default ALRM INT
list [info returncode $rc] [lsort $result] $x
} {signal {SIGALRM SIGINT} 1}
test signal-1.5 "ignored signals" {
signal handle INT
signal ignore HUP
set x 1
catch -signal {
# Send an ignored signal
kill -HUP [pid]
incr x
# Now a caught signal
kill -INT [pid]
incr x
} result
signal default INT TERM
list [lsort $result] $x
} {SIGINT 2}
test signal-1.6 "check ignored signals" {
list [signal check SIGINT] [signal check]
} {{} SIGHUP}
test signal-1.7 "clearing ignored signals" {
signal check -clear
signal check
} {}
test signal-1.8 "try/signal" try {
signal handle ALRM
try -signal {
alarm 0.8
foreach i [range 10] {
sleep 0.2
}
set msg ""
} on signal {msg} {
# Just set msg here
} finally {
alarm 0
}
signal default ALRM
list [expr {$i in {2 3 4}}] $msg
} {1 SIGALRM}
test signal-1.9 {throw an ignored signal} {
signal ignore SIGTERM
signal throw SIGTERM
signal check -clear SIGTERM
} {SIGTERM}
test signal-1.10 {throw with no signal} try {
# With no arg, signal throw means signal throw SIGINT
try -signal {
signal throw
} on signal msg {
}
set msg
} SIGINT
test signal-2.1 {bad signal} -body {
signal handle NONEXISTENT
} -returnCodes error -result {unknown signal NONEXISTENT}
test signal-2.2 {bad signal} -body {
signal handle 999999
} -returnCodes error -result {unknown signal 999999}
test signal-2.3 {signal by number} {
signal handle 2
signal default 2
} {}
test signal-2.4 {signal block} {
signal block SIGINT
signal handle SIGINT
signal default SIGINT
} {}
test signal-2.5 {signal check invalid} -body {
signal check NONEXISTENT
} -returnCodes error -result {unknown signal NONEXISTENT}
test signal-2.6 {signal check invalid num} -body {
signal check 999999
} -returnCodes error -result {unknown signal 999999}
test signal-2.7 {signal throw invalid} -body {
signal throw NONEXISTENT
} -returnCodes error -result {unknown signal NONEXISTENT}
test signal-2.8 {signal throw invalid num} -body {
signal throw 999999
} -returnCodes error -result {unknown signal 999999}
test signal-2.9 {signal list} {
expr {"SIGINT" in [signal default]}
} {1}
test alarm-1.1 {alarm usage} -body {
alarm
} -returnCodes error -result {wrong # args: should be "alarm seconds"}
test alarm-1.2 {alarm usage} -body {
alarm too many args
} -returnCodes error -result {wrong # args: should be "alarm seconds"}
test alarm-1.3 {alarm usage} -body {
alarm badnum
} -returnCodes error -result {expected floating-point number but got "badnum"}
test alarm-1.4 {alarm seconds} {
alarm 2
alarm 0
} {}
test sleep-1.1 {sleep usage} -body {
sleep
} -returnCodes error -result {wrong # args: should be "sleep seconds"}
test sleep-1.2 {sleep usage} -body {
sleep too many args
} -returnCodes error -result {wrong # args: should be "sleep seconds"}
test sleep-1.3 {sleep usage} -body {
sleep badnum
} -returnCodes error -result {expected floating-point number but got "badnum"}
test kill-1.1 {kill usage} -body {
kill
} -returnCodes error -result {wrong # args: should be "kill ?SIG|-0? pid"}
test kill-1.2 {kill usage} -body {
kill too many args
} -returnCodes error -result {wrong # args: should be "kill ?SIG|-0? pid"}
test kill-1.3 {kill bad signal} -body {
kill NONEXISTENT [pid]
} -returnCodes error -result {unknown signal NONEXISTENT}
test kill-1.4 {kill -0} {
kill -0 [pid]
} {}
test kill-1.5 {kill 0 pid} {
kill 0 [pid]
} {}
test kill-1.6 {kill to invalid process} -body {
kill 0 9999999
} -returnCodes error -result {kill: Failed to deliver signal}
testreport
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