diff options
| -rw-r--r-- | ChangeLog | 7 | ||||
| -rw-r--r-- | tests/winDde.test | 250 | ||||
| -rw-r--r-- | win/tclWinDde.c | 2 |
3 files changed, 138 insertions, 121 deletions
@@ -1,3 +1,10 @@ +2012-06-08 Jan Nijtmans <nijtmans@users.sf.net> + + * win/tclWinDde.c: Revise the "null data" check: null strings are + possible, but empty binary arrays are not. + * tests/winDde.test: Add test-case (winDde-9.4) for transferring + null-strings with dde. Convert tests to tcltest-2 syntax. + 2012-06-06 Donal K. Fellows <dkf@users.sf.net> * generic/tclZlib.c (TclZlibInit): Declare that Tcl is publishing the diff --git a/tests/winDde.test b/tests/winDde.test index bc64a24..83f3598 100644 --- a/tests/winDde.test +++ b/tests/winDde.test @@ -15,18 +15,16 @@ if {"::tcltest" ni [namespace children]} { namespace import -force ::tcltest::* } -if {[testConstraint win]} { - if [catch { - # Is the dde extension already static to this shell? - if [catch {load {} Dde; set ::ddelib {}}] { - # try the location given to use on the commandline to tcltest - ::tcltest::loadTestedCommands - load $::ddelib Dde - } - testConstraint dde 1 - }] { - testConstraint dde 0 +if [catch { + # Is the dde extension already static to this shell? + if [catch {load {} Dde; set ::ddelib {}}] { + # try the location given to use on the commandline to tcltest + ::tcltest::loadTestedCommands + load $::ddelib Dde } + testConstraint dde 1 +}] { + testConstraint dde 0 } @@ -36,7 +34,7 @@ if {[testConstraint win]} { set scriptName [makeFile {} script1.tcl] -proc createChildProcess { ddeServerName {handler {}}} { +proc createChildProcess {ddeServerName args} { file delete -force $::scriptName set f [open $::scriptName w+] @@ -51,7 +49,7 @@ proc createChildProcess { ddeServerName {handler {}}} { package require tcltest namespace import -force ::tcltest::* } - + # If an error occurs during the tests, this process may end up not # being closed down. To deal with this we create a 30s timeout. proc ::DoTimeout {} { @@ -61,16 +59,19 @@ proc createChildProcess { ddeServerName {handler {}}} { flush stdout } set timeout [after 30000 ::DoTimeout] - + # Define a restricted handler. proc Handler1 {cmd} { if {$cmd eq "stop"} {set ::done 1} - puts $cmd ; flush stdout + if {$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 + puts [uplevel \#0 $cmd] ; flush stdout return } proc Handler3 {prefix cmd} { @@ -80,11 +81,7 @@ proc createChildProcess { ddeServerName {handler {}}} { } } # set the dde server name to the supplied argument. - if {$handler == {}} { - puts $f [list dde servername $ddeServerName] - } else { - puts $f [list dde servername -handler $handler -- $ddeServerName] - } + 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. @@ -94,12 +91,12 @@ proc createChildProcess { ddeServerName {handler {}}} { # allow enough time for the calling process to # claim all results, to avoid spurious "server did # not respond" - after 200 { set reallyDone 1 } + 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 @@ -109,160 +106,160 @@ proc createChildProcess { ddeServerName {handler {}}} { # ------------------------------------------------------------------------- -test winDde-1.1 {Settings the server's topic name} {win dde} { +test winDde-1.1 {Settings the server's topic name} -constraints dde -body { list [dde servername foobar] [dde servername] [dde servername self] -} {foobar foobar self} +} -result {foobar foobar self} -test winDde-2.1 {Checking for other services} {win dde} { +test winDde-2.1 {Checking for other services} -constraints dde -body { expr [llength [dde services {} {}]] >= 0 -} 1 +} -result 1 test winDde-2.2 {Checking for existence, with service and topic specified} \ - {win dde} { + -constraints dde -body { llength [dde services TclEval self] -} 1 +} -result 1 test winDde-2.3 {Checking for existence, with only the service specified} \ - {win dde} { + -constraints dde -body { expr [llength [dde services TclEval {}]] >= 1 -} 1 +} -result 1 test winDde-2.4 {Checking for existence, with only the topic specified} \ - {win dde} { + -constraints dde -body { expr [llength [dde services {} self]] >= 1 -} 1 +} -result 1 # ------------------------------------------------------------------------- -test winDde-3.1 {DDE execute locally} {win dde} { - set a "" - dde execute TclEval self {set a "foo"} - set a -} foo -test winDde-3.2 {DDE execute -async locally} {win dde} { - set a "" - dde execute -async TclEval self {set a "foo"} +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 a -} foo -test winDde-3.3 {DDE request locally} {win dde} { + set \xe1 +} -result foo +test winDde-3.3 {DDE request locally} -constraints dde -body { set a "" - dde execute TclEval self {set a "foo"} + dde execute TclEval self [list set a foo] dde request TclEval self a -} foo -test winDde-3.4 {DDE eval locally} {win dde} { - set a "" - dde eval self set a "foo" -} foo -test winDde-3.5 {DDE request locally} {win dde} { +} -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 a "" - dde execute TclEval self {set a "foo"} + dde execute TclEval self [list set a foo] dde request -binary TclEval self a -} "foo\x00" +} -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} {win dde} { +test winDde-3.6 {DDE request utf8} -constraints dde -body { set a "not set" dde execute TclEval self "set a \xc4" scan $a %c -} 196 +} -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} {win dde} { +test winDde-3.7 {DDE request binary} -constraints dde -body { set a "not set" - dde execute -binary TclEval self "set a \xc3\x84\x00" + dde execute -binary TclEval self [list set a \xc3\x84\x00] scan $a %c -} 196 +} -result 196 # ------------------------------------------------------------------------- -test winDde-4.1 {DDE execute remotely} {stdio win dde} { - set a "" - set name child-4.1 +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 {set a "foo"} + dde execute TclEval $name [list set \xe1 foo] dde execute TclEval $name {set done 1} update - set a -} "" -test winDde-4.2 {DDE execute async remotely} {stdio win dde} { - set a "" - set name child-4.2 + 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 {set a "foo"} + dde execute -async TclEval $name [list set \xe1 foo] update dde execute TclEval $name {set done 1} update - set a -} "" -test winDde-4.3 {DDE request remotely} {stdio win dde} { + set \xe1 +} -result "" +test winDde-4.3 {DDE request remotely} -constraints {dde stdio} -body { set a "" - set name chile-4.3 + set name ch\xEDld-4.3 set child [createChildProcess $name] - dde execute TclEval $name {set a "foo"} + dde execute TclEval $name [list set a foo] set a [dde request TclEval $name a] dde execute TclEval $name {set done 1} update set a -} foo -test winDde-4.4 {DDE eval remotely} {stdio win dde} { +} -result foo +test winDde-4.4 {DDE eval remotely} -constraints {dde stdio} -body { set a "" - set name child-4.4 + set name ch\xEDld-4.4 set child [createChildProcess $name] - set a [dde eval $name set a "foo"] + set a [dde eval $name set a foo] dde execute TclEval $name {set done 1} update set a -} foo +} -result foo # ------------------------------------------------------------------------- -test winDde-5.1 {check for bad arguments} -constraints {win dde} -body { +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 {win dde} -body { - dde execute "" "" "" +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 {win dde} -body { +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 {win dde} -body { +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 {win dde} -body { +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 {win dde} -body { +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 {win dde} -body { +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 {win dde} -body { +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 {stdio win dde} -setup { - set name child-6.5 +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 "child-6.5 #2" -test winDde-6.6 {DDE remote servername collision force} -constraints {stdio win dde} -setup { - set name child-6.6 +} -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 {child-6.6} +} -result "ch\xEDld-6.6" # ------------------------------------------------------------------------- -test winDde-7.1 {Load DDE in slave interpreter } -constraints {win dde} -setup { +test winDde-7.1 {Load DDE in slave interpreter} -constraints dde -setup { interp create slave } -body { slave eval [list load $::ddelib Dde] @@ -270,7 +267,7 @@ test winDde-7.1 {Load DDE in slave interpreter } -constraints {win dde} -setup { } -cleanup { interp delete slave } -result {dde-interp-7.1} -test winDde-7.2 {DDE slave cleanup} -constraints {win dde} -setup { +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] @@ -283,7 +280,7 @@ test winDde-7.2 {DDE slave cleanup} -constraints {win dde} -setup { set s } } -result {} -test winDde-7.3 {DDE present in slave interp} -constraints {win dde} -setup { +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] @@ -292,7 +289,7 @@ test winDde-7.3 {DDE present in slave interp} -constraints {win dde} -setup { } -cleanup { interp delete slave } -result {{TclEval dde-interp-7.3}} -test winDde-7.4 {interp name collision with -force} -constraints {win dde} -setup { +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] @@ -301,7 +298,7 @@ test winDde-7.4 {interp name collision with -force} -constraints {win dde} -setu } -cleanup { interp delete slave } -result {dde-interp-7.4} -test winDde-7.5 {interp name collision without -force} -constraints {win dde} -setup { +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] @@ -313,7 +310,7 @@ test winDde-7.5 {interp name collision without -force} -constraints {win dde} -s # ------------------------------------------------------------------------- -test winDde-8.1 {Safe DDE load} -constraints {win dde} -setup { +test winDde-8.1 {Safe DDE load} -constraints dde -setup { interp create -safe slave slave invokehidden load $::ddelib Dde } -body { @@ -321,20 +318,20 @@ test winDde-8.1 {Safe DDE load} -constraints {win dde} -setup { } -cleanup { interp delete slave } -returnCodes error -result {invalid command name "dde"} -test winDde-8.2 {Safe DDE set servername} -constraints {win dde} -setup { +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 {win dde} -setup { +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 {win dde} -setup { +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 @@ -343,7 +340,7 @@ test winDde-8.4 {Safe DDE check that execute is denied} -constraints {win dde} - 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 {win dde} -setup { +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 @@ -353,14 +350,14 @@ test winDde-8.5 {Safe DDE check that request is denied} -constraints {win dde} - } -cleanup { interp delete slave } -returnCodes error -result {remote server cannot handle this command} -test winDde-8.6 {Safe DDE assign handler procedure} -constraints {win dde} -setup { +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 {win dde} -setup { +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}} @@ -368,7 +365,7 @@ test winDde-8.7 {Safe DDE check simple command} -constraints {win dde} -setup { } -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 {win dde} -setup { +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}} @@ -378,16 +375,16 @@ test winDde-8.8 {Safe DDE check non-list command} -constraints {win dde} -setup 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 {win dde} -setup { +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 x 1 - slave eval set x + 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 {win dde} -setup { +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]}} @@ -396,7 +393,7 @@ test winDde-8.10 {Safe DDE check command evaluation (2)} -constraints {win dde} 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 {win dde} -setup { +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]}} @@ -408,9 +405,9 @@ test winDde-8.11 {Safe DDE check command evaluation (3)} -constraints {win dde} # ------------------------------------------------------------------------- -test winDde-9.1 {External safe DDE check string passing} -constraints {win dde stdio} -setup { - set name child-9.1 - set child [createChildProcess $name Handler1] +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 @@ -421,9 +418,9 @@ test winDde-9.1 {External safe DDE check string passing} -constraints {win dde s update file delete -force -- dde-script.tcl } -result {set x 1} -test winDde-9.2 {External safe DDE check command evaluation} -constraints {win dde stdio} -setup { - set name child-9.2 - set child [createChildProcess $name Handler2] +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 @@ -434,9 +431,9 @@ test winDde-9.2 {External safe DDE check command evaluation} -constraints {win d update file delete -force -- dde-script.tcl } -result 1 -test winDde-9.3 {External safe DDE check prefixed arguments} -constraints {win dde stdio} -setup { - set name child-9.3 - set child [createChildProcess $name [list Handler3 ARG]] +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 @@ -447,6 +444,19 @@ test winDde-9.3 {External safe DDE check prefixed arguments} -constraints {win d 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} # ------------------------------------------------------------------------- diff --git a/win/tclWinDde.c b/win/tclWinDde.c index 5f2ef32..e40e114 100644 --- a/win/tclWinDde.c +++ b/win/tclWinDde.c @@ -1443,7 +1443,7 @@ DdeObjCmd( dataLength += 1; } - if (dataLength <= ((flags & DDE_FLAG_BINARY) ? 0 : (int)sizeof(TCHAR))) { + if (dataLength <= 0) { Tcl_SetObjResult(interp, Tcl_NewStringObj("cannot execute null data", -1)); Tcl_SetErrorCode(interp, "TCL", "DDE", "NULL", NULL); |