# This file tests the tclWinDde.c file.
#
# 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) 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.

if {"::tcltest" ni [namespace children]} {
    package require tcltest 2
    #tcltest::configure -verbose {pass start}
    namespace import -force ::tcltest::*
}

testConstraint dde 0
if {[testConstraint win]} {
    if {![catch {
	    ::tcltest::loadTestedCommands
	    set ::ddever [package require dde 1.4.0]
	    set ::ddelib [lindex [package ifneeded dde $::ddever] 1]}]} {
	testConstraint dde 1
    }
}


# -------------------------------------------------------------------------
# Setup a script for a test server
#

set scriptName [makeFile {} script1.tcl]

proc createChildProcess {ddeServerName args} {
    file delete -force $::scriptName

    set f [open $::scriptName w+]
    puts $f [list set ddeServerName $ddeServerName]
    puts $f [list load $::ddelib dde]
    puts $f {
        # DDE child server -
        #
	if {"::tcltest" ni [namespace children]} {
	    package require tcltest
	    namespace import -force ::tcltest::*
	}

        # If an error occurs during the tests, this process may end up not
        # being closed down. To deal with this we create a 30s timeout.
        proc ::DoTimeout {} {
            global done ddeServerName
            set done 1
            puts "winDde.test child process $ddeServerName timed out."
            flush stdout
        }
        set timeout [after 30000 ::DoTimeout]

        # Define a restricted handler.
        proc Handler1 {cmd} {
            if {$cmd eq "stop"} {set ::done 1}
            if {$cmd == ""} {
                set cmd "null data"
            }
            puts $cmd ; flush stdout
            return
        }
        proc Handler2 {cmd} {
            if {$cmd eq "stop"} {set ::done 1}
            puts [uplevel \#0 $cmd] ; flush stdout
            return
        }
        proc Handler3 {prefix cmd} {
            if {$cmd eq "stop"} {set ::done 1}
            puts [list $prefix $cmd] ; flush stdout
            return
        }
    }
    # set the dde server name to the supplied argument.
    puts $f [list dde servername {*}$args -- $ddeServerName]
    puts $f {
        # run the server and handle final cleanup.
        after 200;# give dde a chance to get going.
	puts ready
        flush stdout
	vwait done
	# allow enough time for the calling process to
	# claim all results, to avoid spurious "server did
	# not respond"
	after 200 {set reallyDone 1}
	vwait reallyDone
	exit
    }
    close $f

    # run the child server script.
    set f [open |[list [interpreter] $::scriptName] r]
    fconfigure $f -buffering line
    gets $f line
    return $f
}

# -------------------------------------------------------------------------
test winDde-1.0 {check if we are testing the right dll} {win dde} {
    set ::ddever
} {1.4.0}

test winDde-1.1 {Settings the server's topic name} -constraints dde -body {
    list [dde servername foobar] [dde servername] [dde servername self]
} -result {foobar foobar self}

test winDde-2.1 {Checking for other services} -constraints dde -body {
    expr [llength [dde services {} {}]] >= 0
} -result 1
test winDde-2.2 {Checking for existence, with service and topic specified} \
	-constraints dde -body {
    llength [dde services TclEval self]
} -result 1
test winDde-2.3 {Checking for existence, with only the service specified} \
	-constraints dde -body {
    expr [llength [dde services TclEval {}]] >= 1
} -result 1
test winDde-2.4 {Checking for existence, with only the topic specified} \
	-constraints dde -body {
    expr [llength [dde services {} self]] >= 1
} -result 1

# -------------------------------------------------------------------------

test winDde-3.1 {DDE execute locally} -constraints dde -body {
    set \xe1 ""
    dde execute TclEval self [list set \xe1 foo]
    set \xe1
} -result foo
test winDde-3.2 {DDE execute -async locally} -constraints dde -body {
    set \xe1 ""
    dde execute -async TclEval self [list set \xe1 foo]
    update
    set \xe1
} -result foo
test winDde-3.3 {DDE request locally} -constraints dde -body {
    set \xe1 ""
    dde execute TclEval self [list set \xe1 foo]
    dde request TclEval self \xe1
} -result foo
test winDde-3.4 {DDE eval locally} -constraints dde -body {
    set \xe1 ""
    dde eval self set \xe1 foo
} -result foo
test winDde-3.5 {DDE request locally} -constraints dde -body {
    set \xe1 ""
    dde execute TclEval self [list set \xe1 foo]
    dde request -binary TclEval self \xe1
} -result "foo\x00"
# Set variable a to A with diaeresis (unicode C4) by relying on the fact
# that utf8 is sent (e.g. "c3 84" on the wire)
test winDde-3.6 {DDE request utf8} -constraints dde -body {
    set \xe1 "not set"
    dde execute TclEval self "set \xe1 \xc4"
    scan [set \xe1] %c
} -result 196
# Set variable a to A with diaeresis (unicode C4) using binary execute
# and compose utf-8 (e.g. "c3 84" ) manualy
test winDde-3.7 {DDE request binary} -constraints dde -body {
    set \xe1 "not set"
    dde execute -binary TclEval self [list set \xc3\xa1 \xc3\x84\x00]
    scan [set \xe1] %c
} -result 196

# -------------------------------------------------------------------------

test winDde-4.1 {DDE execute remotely} -constraints {dde stdio} -body {
    set \xe1 ""
    set name ch\xEDld-4.1
    set child [createChildProcess $name]
    dde execute TclEval $name [list set \xe1 foo]
    dde execute TclEval $name {set done 1}
    update
    set \xe1
} -result ""
test winDde-4.2 {DDE execute async remotely} -constraints {dde stdio} -body {
    set \xe1 ""
    set name ch\xEDld-4.2
    set child [createChildProcess $name]
    dde execute -async TclEval $name [list set \xe1 foo]
    update
    dde execute TclEval $name {set done 1}
    update
    set \xe1
} -result ""
test winDde-4.3 {DDE request remotely} -constraints {dde stdio} -body {
    set \xe1 ""
    set name ch\xEDld-4.3
    set child [createChildProcess $name]
    dde execute TclEval $name [list set \xe1 foo]
    set \xe1 [dde request TclEval $name \xe1]
    dde execute TclEval $name {set done 1}
    update
    set \xe1
} -result foo
test winDde-4.4 {DDE eval remotely} -constraints {dde stdio} -body {
    set \xe1 ""
    set name ch\xEDld-4.4
    set child [createChildProcess $name]
    set \xe1 [dde eval $name set \xe1 foo]
    dde execute TclEval $name {set done 1}
    update
    set \xe1
}  -result foo

# -------------------------------------------------------------------------

test winDde-5.1 {check for bad arguments} -constraints dde -body {
    dde execute "" "" "" ""
} -returnCodes error -result {wrong # args: should be "dde execute ?-async? ?-binary? serviceName topicName value"}
test winDde-5.2 {check for bad arguments} -constraints dde -body {
    dde execute -binary "" "" ""
} -returnCodes error -result {cannot execute null data}
test winDde-5.3 {check for bad arguments} -constraints dde -body {
    dde execute -foo "" "" ""
} -returnCodes error -result {wrong # args: should be "dde execute ?-async? ?-binary? serviceName topicName value"}
test winDde-5.4 {DDE eval bad arguments} -constraints dde -body {
    dde eval "" "foo"
} -returnCodes error -result {invalid service name ""}

# -------------------------------------------------------------------------

test winDde-6.1 {DDE servername bad arguments} -constraints dde -body {
    dde servername -z -z -z
} -returnCodes error -result {bad option "-z": must be -force, -handler, or --}
test winDde-6.2 {DDE servername set name} -constraints dde -body {
    dde servername -- winDde-6.2
} -result {winDde-6.2}
test winDde-6.3 {DDE servername set exact name} -constraints dde -body {
    dde servername -force winDde-6.3
} -result {winDde-6.3}
test winDde-6.4 {DDE servername set exact name} -constraints dde -body {
    dde servername -force -- winDde-6.4
} -result {winDde-6.4}
test winDde-6.5 {DDE remote servername collision} -constraints {dde stdio} -setup {
    set name ch\xEDld-6.5
    set child [createChildProcess $name]
} -body {
    dde servername -- $name
} -cleanup {
    dde execute TclEval $name {set done 1}
    update
} -result "ch\xEDld-6.5 #2"
test winDde-6.6 {DDE remote servername collision force} -constraints {dde stdio} -setup {
    set name ch\xEDld-6.6
    set child [createChildProcess $name]
} -body {
    dde servername -force -- $name
} -cleanup {
    dde execute TclEval $name {set done 1}
    update
} -result "ch\xEDld-6.6"

# -------------------------------------------------------------------------

test winDde-7.1 {Load DDE in slave interpreter} -constraints dde -setup {
    interp create slave
} -body {
    slave eval [list load $::ddelib Dde]
    slave eval [list dde servername -- dde-interp-7.1]
} -cleanup {
    interp delete slave
} -result {dde-interp-7.1}
test winDde-7.2 {DDE slave cleanup} -constraints dde -setup {
    interp create slave
    slave eval [list load $::ddelib Dde]
    slave eval [list dde servername -- dde-interp-7.5]
    interp delete slave
} -body {
    dde services TclEval {}
    set s [dde services TclEval {}]
    set m [list [list TclEval dde-interp-7.5]]
    if {$m in $s} {
	set s
    }
} -result {}
test winDde-7.3 {DDE present in slave interp} -constraints dde -setup {
    interp create slave
    slave eval [list load $::ddelib Dde]
    slave eval [list dde servername -- dde-interp-7.3]
} -body {
    dde services TclEval dde-interp-7.3
} -cleanup {
    interp delete slave
} -result {{TclEval dde-interp-7.3}}
test winDde-7.4 {interp name collision with -force} -constraints dde -setup {
    interp create slave
    slave eval [list load $::ddelib Dde]
    slave eval [list dde servername -- dde-interp-7.4]
} -body {
    dde servername -force -- dde-interp-7.4
} -cleanup {
    interp delete slave
} -result {dde-interp-7.4}
test winDde-7.5 {interp name collision without -force} -constraints dde -setup {
    interp create slave
    slave eval [list load $::ddelib Dde]
    slave eval [list dde servername -- dde-interp-7.5]
} -body {
    dde servername -- dde-interp-7.5
} -cleanup {
    interp delete slave
} -result "dde-interp-7.5 #2"

# -------------------------------------------------------------------------

test winDde-8.1 {Safe DDE load} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
} -body {
    slave eval dde servername slave
} -cleanup {
    interp delete slave
} -returnCodes error -result {invalid command name "dde"}
test winDde-8.2 {Safe DDE set servername} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
} -body {
    slave invokehidden dde servername slave
} -cleanup {interp delete slave} -result {slave}
test winDde-8.3 {Safe DDE check handler required for eval} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave invokehidden dde servername slave
} -body {
    catch {dde eval slave set a 1} msg
} -cleanup {interp delete slave} -result {1}
test winDde-8.4 {Safe DDE check that execute is denied} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave invokehidden dde servername slave
} -body {
    slave eval set a 1
    dde execute TclEval slave {set a 2}
    slave eval set a
} -cleanup {interp delete slave} -result 1
test winDde-8.5 {Safe DDE check that request is denied} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave invokehidden dde servername slave
} -body {
    slave eval set a 1
    dde request TclEval slave a
} -cleanup {
    interp delete slave
} -returnCodes error -result {remote server cannot handle this command}
test winDde-8.6 {Safe DDE assign handler procedure} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD $cmd}}
} -body {
    slave invokehidden dde servername -handler DDEACCEPT slave
} -cleanup {interp delete slave} -result slave
test winDde-8.7 {Safe DDE check simple command} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD $cmd}}
    slave invokehidden dde servername -handler DDEACCEPT slave
} -body {
    dde eval slave set x 1
} -cleanup {interp delete slave} -result {set x 1}
test winDde-8.8 {Safe DDE check non-list command} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD $cmd}}
    slave invokehidden dde servername -handler DDEACCEPT slave
} -body {
    set s "c:\\Program Files\\Microsoft Visual Studio\\"
    dde eval slave $s
    string equal [slave eval set DDECMD] $s
} -cleanup {interp delete slave} -result 1
test winDde-8.9 {Safe DDE check command evaluation} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD [uplevel \#0 $cmd]}}
    slave invokehidden dde servername -handler DDEACCEPT slave
} -body {
    dde eval slave set \xe1 1
    slave eval set \xe1
} -cleanup {interp delete slave} -result 1
test winDde-8.10 {Safe DDE check command evaluation (2)} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD [uplevel \#0 $cmd]}}
    slave invokehidden dde servername -handler DDEACCEPT slave
} -body {
    dde eval slave [list set x 1]
    slave eval set x
} -cleanup {interp delete slave} -result 1
test winDde-8.11 {Safe DDE check command evaluation (3)} -constraints dde -setup {
    interp create -safe slave
    slave invokehidden load $::ddelib Dde
    slave eval {proc DDEACCEPT {cmd} {set ::DDECMD [uplevel \#0 $cmd]}}
    slave invokehidden dde servername -handler DDEACCEPT slave
} -body {
    dde eval slave [list [list set x 1]]
    slave eval set x
} -cleanup {interp delete slave} -returnCodes error -result {invalid command name "set x 1"}

# -------------------------------------------------------------------------

test winDde-9.1 {External safe DDE check string passing} -constraints {dde stdio} -setup {
    set name ch\xEDld-9.1
    set child [createChildProcess $name -handler Handler1]
    file copy -force script1.tcl dde-script.tcl
} -body {
    dde eval $name set x 1
    gets $child line
    set line
} -cleanup {
    dde execute TclEval $name stop
    update
    file delete -force -- dde-script.tcl
} -result {set x 1}
test winDde-9.2 {External safe DDE check command evaluation} -constraints {dde stdio} -setup {
    set name ch\xEDld-9.2
    set child [createChildProcess $name -handler Handler2]
    file copy -force script1.tcl dde-script.tcl
} -body {
    dde eval $name set x 1
    gets $child line
    set line
} -cleanup {
    dde execute TclEval $name stop
    update
    file delete -force -- dde-script.tcl
} -result 1
test winDde-9.3 {External safe DDE check prefixed arguments} -constraints {dde stdio} -setup {
    set name ch\xEDld-9.3
    set child [createChildProcess $name -handler [list Handler3 ARG]]
    file copy -force script1.tcl dde-script.tcl
} -body {
    dde eval $name set x 1
    gets $child line
    set line
} -cleanup {
    dde execute TclEval $name stop
    update
    file delete -force -- dde-script.tcl
} -result {ARG {set x 1}}
test winDde-9.4 {External safe DDE check null data passing} -constraints {dde stdio} -setup {
    set name ch\xEDld-9.4
    set child [createChildProcess $name -handler Handler1]
    file copy -force script1.tcl dde-script.tcl
} -body {
    dde execute TclEval $name ""
    gets $child line
    set line
} -cleanup {
    dde execute TclEval $name stop
    update
    file delete -force -- dde-script.tcl
} -result {null data}

# -------------------------------------------------------------------------

#cleanup
#catch {interp delete $slave};           # ensure we clean up the slave.
file delete -force $::scriptName
::tcltest::cleanupTests
return

# Local Variables:
# mode: tcl
# End: