# Commands covered: (test)thread
#
# This file contains a collection of tests for one or more of the Tcl
# built-in commands. Sourcing this file into Tcl runs the tests and
# generates output for errors. No output means no errors were found.
#
# Copyright (c) 1996 Sun Microsystems, Inc.
# Copyright (c) 1998-1999 by Scriptics Corporation.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# RCS: @(#) thread.test,v 1.5 2003/01/21 19:40:17 hunt Exp
if {[lsearch [namespace children] ::tcltest] == -1} {
package require tcltest
namespace import -force ::tcltest::*
}
# Some tests require the testthread command
set ::tcltest::testConstraints(testthread) \
[expr {[info commands testthread] != {}}]
if {$::tcltest::testConstraints(testthread)} {
testthread errorproc ThreadError
proc ThreadError {id info} {
global threadError
set threadError $info
}
proc ThreadNullError {id info} {
# ignore
}
}
test thread-1.1 {Tcl_ThreadObjCmd: no args} {testthread} {
list [catch {testthread} msg] $msg
} {1 {wrong # args: should be "testthread option ?args?"}}
test thread-1.2 {Tcl_ThreadObjCmd: bad option} {testthread} {
list [catch {testthread foo} msg] $msg
} {1 {bad option "foo": must be create, exit, id, join, names, send, wait, or errorproc}}
test thread-1.3 {Tcl_ThreadObjCmd: initial thread list} {testthread} {
list [threadReap] [llength [testthread names]]
} {1 1}
test thread-1.4 {Tcl_ThreadObjCmd: thread create } {testthread} {
threadReap
set serverthread [testthread create]
update
set numthreads [llength [testthread names]]
threadReap
set numthreads
} {2}
test thread-1.5 {Tcl_ThreadObjCmd: thread create one shot} {testthread} {
threadReap
testthread create {set x 5}
foreach try {0 1 2 4 5 6} {
# Try various ways to yield
update
after 10
set l [llength [testthread names]]
if {$l == 1} {
break
}
}
threadReap
set l
} {1}
test thread-1.6 {Tcl_ThreadObjCmd: thread exit} {testthread} {
threadReap
testthread create {testthread exit}
update
after 10
set result [llength [testthread names]]
threadReap
set result
} {1}
test thread-1.7 {Tcl_ThreadObjCmd: thread id args} {testthread} {
set x [catch {testthread id x} msg]
list $x $msg
} {1 {wrong # args: should be "testthread id"}}
test thread-1.8 {Tcl_ThreadObjCmd: thread id} {testthread} {
string compare [testthread id] $::tcltest::mainThread
} {0}
test thread-1.9 {Tcl_ThreadObjCmd: thread names args} {testthread} {
set x [catch {testthread names x} msg]
list $x $msg
} {1 {wrong # args: should be "testthread names"}}
test thread-1.10 {Tcl_ThreadObjCmd: thread id} {testthread} {
string compare [testthread names] $::tcltest::mainThread
} {0}
test thread-1.11 {Tcl_ThreadObjCmd: send args} {testthread} {
set x [catch {testthread send} msg]
list $x $msg
} {1 {wrong # args: should be "testthread send ?-async? id script"}}
test thread-1.12 {Tcl_ThreadObjCmd: send nonint} {testthread} {
set x [catch {testthread send abc command} msg]
list $x $msg
} {1 {expected integer but got "abc"}}
test thread-1.13 {Tcl_ThreadObjCmd: send args} {testthread} {
threadReap
set serverthread [testthread create]
set five [testthread send $serverthread {set x 5}]
threadReap
set five
} 5
test thread-1.14 {Tcl_ThreadObjCmd: send bad id} {testthread} {
set tid [expr $::tcltest::mainThread + 10]
set x [catch {testthread send $tid {set x 5}} msg]
list $x $msg
} {1 {invalid thread id}}
test thread-1.15 {Tcl_ThreadObjCmd: wait} {testthread} {
threadReap
set serverthread [testthread create {set z 5 ; testthread wait}]
set five [testthread send $serverthread {set z}]
threadReap
set five
} 5
test thread-1.16 {Tcl_ThreadObjCmd: errorproc args} {testthread} {
set x [catch {testthread errorproc foo bar} msg]
list $x $msg
} {1 {wrong # args: should be "testthread errorproc proc"}}
test thread-1.17 {Tcl_ThreadObjCmd: errorproc change} {testthread} {
testthread errorproc foo
testthread errorproc ThreadError
} {}
# The tests above also cover:
# TclCreateThread, except when pthread_create fails
# NewThread, safe and regular
# ThreadErrorProc, except for printing to standard error
test thread-2.1 {ListUpdateInner and ListRemove} {testthread} {
threadReap
catch {unset tid}
foreach t {0 1 2} {
upvar #0 t$t tid
set tid [testthread create]
}
threadReap
} 1
test thread-3.1 {TclThreadList} {testthread} {
threadReap
catch {unset tid}
set len [llength [testthread names]]
set l1 {}
foreach t {0 1 2} {
lappend l1 [testthread create]
}
set l2 [testthread names]
list $l1 $l2
set c [string compare \
[lsort -integer [concat $::tcltest::mainThread $l1]] \
[lsort -integer $l2]]
threadReap
list $len $c
} {1 0}
test thread-4.1 {TclThreadSend to self} {testthread} {
catch {unset x}
testthread send [testthread id] {
set x 4
}
set x
} {4}
test thread-4.2 {TclThreadSend -async} {testthread} {
threadReap
set len [llength [testthread names]]
set serverthread [testthread create]
testthread send -async $serverthread {
after 1000
testthread exit
}
set two [llength [testthread names]]
after 1500 {set done 1}
vwait done
threadReap
list $len [llength [testthread names]] $two
} {1 1 2}
test thread-4.3 {TclThreadSend preserve errorInfo} {testthread} {
threadReap
set len [llength [testthread names]]
set serverthread [testthread create]
set x [catch {testthread send $serverthread {set undef}} msg]
threadReap
list $len $x $msg $errorInfo
} {1 1 {can't read "undef": no such variable} {can't read "undef": no such variable
while executing
"set undef"
invoked from within
"testthread send $serverthread {set undef}"}}
test thread-4.4 {TclThreadSend preserve code} {testthread} {
threadReap
set len [llength [testthread names]]
set serverthread [testthread create]
set x [catch {testthread send $serverthread {break}} msg]
threadReap
list $len $x $msg $errorInfo
} {1 3 {} {}}
test thread-4.5 {TclThreadSend preserve errorCode} {testthread} {
threadReap
set ::tcltest::mainThread [testthread names]
set serverthread [testthread create]
set x [catch {testthread send $serverthread {error ERR INFO CODE}} msg]
threadReap
list $x $msg $errorCode
} {1 ERR CODE}
test thread-5.0 {Joining threads} {testthread} {
threadReap
set serverthread [testthread create -joinable]
testthread send -async $serverthread {after 1000 ; testthread exit}
set res [testthread join $serverthread]
threadReap
set res
} {0}
test thread-5.1 {Joining threads after the fact} {testthread} {
threadReap
set serverthread [testthread create -joinable]
testthread send -async $serverthread {testthread exit}
after 2000
set res [testthread join $serverthread]
threadReap
set res
} {0}
test thread-5.2 {Try to join a detached thread} {testthread} {
threadReap
set serverthread [testthread create]
testthread send -async $serverthread {after 1000 ; testthread exit}
catch {set res [testthread join $serverthread]} msg
threadReap
lrange $msg 0 2
} {cannot join thread}
# cleanup
::tcltest::cleanupTests
return