async.test

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# Commands covered:  none
#
# This file contains a collection of tests for Tcl_AsyncCreate and related
# library procedures.  Sourcing this file into Tcl runs the tests and
# generates output for errors.  No output means no errors were found.
#
# Copyright (c) 1993 The Regents of the University of California.
# Copyright (c) 1994-1996 Sun Microsystems, Inc.
#
# See the file "license.terms" for information on usage and redistribution
# of this file, and for a DISCLAIMER OF ALL WARRANTIES.
#
# SCCS: @(#) async.test 1.5 96/04/05 15:29:38

if {[info commands testasync] == {}} {
    puts "This application hasn't been compiled with the \"testasync\""
    puts "command, so I can't test Tcl_AsyncCreate et al."
    return
}

if {[string compare test [info procs test]] == 1} then {source defs}

proc async1 {result code} {
    global aresult acode
    set aresult $result
    set acode $code
    return "new result"
}
proc async2 {result code} {
    global aresult acode
    set aresult $result
    set acode $code
    return -code error "xyzzy"
}
proc async3 {result code} {
    global aresult
    set aresult "test pattern"
    return -code $code $result
}

set handler1 [testasync create async1]
set handler2 [testasync create async2]
set handler3 [testasync create async3]
test async-1.1 {basic async handlers} {
    set aresult xxx
    set acode yyy
    list [catch {testasync mark $handler1 "original" 0} msg] $msg \
	   $acode $aresult
} {0 {new result} 0 original}
test async-1.2 {basic async handlers} {
    set aresult xxx
    set acode yyy
    list [catch {testasync mark $handler1 "original" 1} msg] $msg \
	   $acode $aresult
} {0 {new result} 1 original}
test async-1.3 {basic async handlers} {
    set aresult xxx
    set acode yyy
    list [catch {testasync mark $handler2 "old" 0} msg] $msg \
	   $acode $aresult
} {1 xyzzy 0 old}
test async-1.4 {basic async handlers} {
    set aresult xxx
    set acode yyy
    list [catch {testasync mark $handler2 "old" 3} msg] $msg \
	   $acode $aresult
} {1 xyzzy 3 old}
test async-1.5 {basic async handlers} {
    set aresult xxx
    list [catch {testasync mark $handler3 "foobar" 0} msg] $msg $aresult
} {0 foobar {test pattern}}
test async-1.6 {basic async handlers} {
    set aresult xxx
    list [catch {testasync mark $handler3 "foobar" 1} msg] $msg $aresult
} {1 foobar {test pattern}}

proc mult1 {result code} {
    global x
    lappend x mult1
    return -code 7 mult1
}
set hm1 [testasync create mult1]
proc mult2 {result code} {
    global x
    lappend x mult2
    return -code 9 mult2
}
set hm2 [testasync create mult2]
proc mult3 {result code} {
    global x hm1 hm2
    lappend x [catch {testasync mark $hm2 serial2 0}]
    lappend x [catch {testasync mark $hm1 serial1 0}]
    lappend x mult3
    return -code 11 mult3
}
set hm3 [testasync create mult3]

test async-2.1 {multiple handlers} {
    set x {}
    list [catch {testasync mark $hm3 "foobar" 5} msg] $msg $x
} {9 mult2 {0 0 mult3 mult1 mult2}}

proc del1 {result code} {
    global x hm1 hm2 hm3 hm4
    lappend x [catch {testasync mark $hm3 serial2 0}]
    lappend x [catch {testasync mark $hm1 serial1 0}]
    lappend x [catch {testasync mark $hm4 serial1 0}]
    testasync delete $hm1
    testasync delete $hm2
    testasync delete $hm3
    lappend x del1
    return -code 13 del1
}
proc del2 {result code} {
    global x
    lappend x del2
    return -code 3 del2
}
testasync delete $handler1
testasync delete $hm2
testasync delete $hm3
set hm2 [testasync create del1]
set hm3 [testasync create mult2]
set hm4 [testasync create del2]

test async-3.1 {deleting handlers} {
    set x {}
    list [catch {testasync mark $hm2 "foobar" 5} msg] $msg $x
} {3 del2 {0 0 0 del1 del2}}

testasync delete