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 0.4
		foreach i [range 10] {
			sleep 0.1
		}
		set msg ""
	} on signal {msg} {
		# Just set msg here
	} finally {
		alarm 0
	}
	signal default ALRM
	list [expr {$i in {3 4 5}}] $msg
} {1 SIGALRM}

testreport