diff options
| -rw-r--r-- | generic/tkListbox.c | 8 | ||||
| -rw-r--r-- | tests/listbox.test | 11 |
2 files changed, 11 insertions, 8 deletions
diff --git a/generic/tkListbox.c b/generic/tkListbox.c index 36dbf76..913757c 100644 --- a/generic/tkListbox.c +++ b/generic/tkListbox.c @@ -11,7 +11,7 @@ * See the file "license.terms" for information on usage and redistribution * of this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tkListbox.c,v 1.8 1999/11/18 01:47:07 ericm Exp $ + * RCS: @(#) $Id: tkListbox.c,v 1.9 1999/11/18 02:24:41 ericm Exp $ */ #include "tkPort.h" @@ -1336,6 +1336,8 @@ ConfigureListbox(interp, listPtr, objc, objv, flags) /* Make sure the object is a good list object */ if (Tcl_ListObjLength(listPtr->interp, listVarObj, &dummy) != TCL_OK) { Tk_RestoreSavedOptions(&savedOptions); + Tcl_AppendResult(listPtr->interp, ": invalid listvar value", + (char *)NULL); return TCL_ERROR; } @@ -2822,12 +2824,12 @@ ListboxListVarProc(clientData, interp, name1, name2, flags) /* * Make sure the new value is a good list; if it's not, disallow * the change -- the fact that it is a listvar means that it must - * always be a valid list + * always be a valid list -- and return an error message. */ if (Tcl_ListObjLength(listPtr->interp, varListObj, &i) != TCL_OK) { Tcl_SetVar2Ex(interp, listPtr->listVarName, (char *)NULL, oldListObj, TCL_GLOBAL_ONLY); - varListObj = oldListObj; + return("invalid listvar value"); } listPtr->listObj = varListObj; diff --git a/tests/listbox.test b/tests/listbox.test index 5f3a683..76df7ef 100644 --- a/tests/listbox.test +++ b/tests/listbox.test @@ -6,7 +6,7 @@ # Copyright (c) 1998-1999 by Scriptics Corporation. # All rights reserved. # -# RCS: @(#) $Id: listbox.test,v 1.7 1999/11/18 01:47:08 ericm Exp $ +# RCS: @(#) $Id: listbox.test,v 1.8 1999/11/18 02:24:41 ericm Exp $ if {[lsearch [namespace children] ::tcltest] == -1} { source [file join [pwd] [file dirname [info script]] defs.tcl] @@ -941,7 +941,8 @@ test listbox-4.18 {ConfigureListbox, no listvar -> bad listvar} { set x {this is a " bad list} catch {.l configure -listvar x} result list [.l get 0 end] [.l cget -listvar] $result -} [list [list a b c d] {} "unmatched open quote in list"] +} [list [list a b c d] {} \ + "unmatched open quote in list: invalid listvar value"] # No tests for DisplayListbox: I don't know how to test this procedure. @@ -1845,9 +1846,9 @@ test listbox-21.11 {ListboxListVarProc, bad list} { catch {unset x} listbox .l -listvar x set x [list a b c d] - set x {this is a " bad list} - set x -} [list a b c d] + catch {set x {this is a " bad list}} result + set result +} {can't set "x": invalid listvar value} # UpdateHScrollbar test listbox-22.1 {UpdateHScrollbar} { |