thread.test
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上传日期:2015-12-11
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- # 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: @(#) $Id: thread.test,v 1.10 2000/05/02 22:02:36 kupries 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