path: root/tests/button.test

# This file is a Tcl script to test labels, buttons, checkbuttons, and
# radiobuttons in Tk (i.e., all the widgets defined in tkButton.c).  It is
# organized in the standard fashion for Tcl tests.
#
# Copyright (c) 1994 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.
#
# RCS: @(#) $Id: button.test,v 1.1.4.2 1998/09/30 02:18:26 stanton Exp $

if {[lsearch [image types] test] < 0} {
    puts "This application hasn't been compiled with the \"test\""
    puts "image, so I can't run this test.  Are you sure you're using"
    puts "tktest instead of wish?"
    return
}

if {[info procs test] != "test"} {
    source defs
}

foreach i [winfo children .] {
    destroy $i
}
wm geometry . {}
raise .

proc bogusTrace args {
    error "trace aborted"
}
catch {unset value}
catch {unset value2}

# Create entries in the option database to be sure that geometry options
# like border width have predictable values.

option add *Button.borderWidth 2
option add *Button.highlightThickness 2
option add *Button.font {Helvetica -12 bold}

eval image delete [image names]
image create test image1
label .l -text Label
button .b -text Button
checkbutton .c -text Checkbutton
radiobutton .r -text Radiobutton
pack .l .b .c .r
update
set i 1
foreach test {
    {-activebackground #012345 #012345 non-existent
	    {unknown color name "non-existent"} {0 1 1 1}}
    {-activeforeground #ff0000 #ff0000 non-existent
	    {unknown color name "non-existent"} {0 1 1 1}}
    {-anchor nw nw bogus {bad anchor "bogus": must be n, ne, e, se, s, sw, w, nw, or center} {1 1 1 1}}
    {-background #ff0000 #ff0000 non-existent
	    {unknown color name "non-existent"} {1 1 1 1}}
    {-bd 4 4 badValue {bad screen distance "badValue"} {1 1 1 1}}
    {-bg #ff0000 #ff0000 non-existent {unknown color name "non-existent"}
	    {1 1 1 1}}
    {-bitmap questhead questhead badValue {bitmap "badValue" not defined}
	    {1 1 1 1}}
    {-borderwidth 1.3 1.3 badValue {bad screen distance "badValue"} {1 1 1 1}}
    {-command "set x" {set x} {} {} {0 1 1 1}}
    {-cursor arrow arrow badValue {bad cursor spec "badValue"} {1 1 1 1}}
    {-default active active huh?
	    {bad default "huh?": must be active, disabled, or normal}
	    {0 1 0 0}}
    {-disabledforeground #00ff00 #00ff00 xyzzy {unknown color name "xyzzy"}
	    {0 1 1 1}}
    {-fg #110022 #110022 bogus {unknown color name "bogus"} {1 1 1 1}}
    {-font {Helvetica 12} {Helvetica 12} {} {font "" doesn't exist} {1 1 1 1}}
    {-foreground #110022 #110022 bogus {unknown color name "bogus"} {1 1 1 1}}
    {-height 18 18 20.0 {expected integer but got "20.0"} {1 1 1 1}}
    {-highlightbackground #112233 #112233 ugly {unknown color name "ugly"}
	    {1 1 1 1}}
    {-highlightcolor #110022 #110022 bogus {unknown color name "bogus"}
	    {1 1 1 1}}
    {-highlightthickness 6m 6m badValue {bad screen distance "badValue"}
	    {1 1 1 1}}
    {-image image1 image1 bogus {image "bogus" doesn't exist} {1 1 1 1}}
    {-indicatoron yes 1 no_way {expected boolean value but got "no_way"}
	    {0 0 1 1}}
    {-justify right right bogus {bad justification "bogus": must be left, right, or center} {1 1 1 1}}
    {-offvalue lousy lousy {} {} {0 0 1 0}}
    {-offvalue fantastic fantastic {} {} {0 0 1 0}}
    {-padx 12m 12m 420x {bad screen distance "420x"} {1 1 1 1}}
    {-pady 12m 12m 420x {bad screen distance "420x"} {1 1 1 1}}
    {-relief groove groove 1.5 {bad relief "1.5": must be flat, groove, raised, ridge, solid, or sunken} {1 1 1 1}}
    {-selectcolor #110022 #110022 bogus {unknown color name "bogus"} {0 0 1 1}}
    {-selectimage image1 image1 bogus {image "bogus" doesn't exist} {0 0 1 1}}
    {-state normal normal bogus {bad state "bogus": must be active, disabled, or normal} {0 1 1 1}}
    {-takefocus "any string" "any string" {} {} {1 1 1 1}}
    {-text "Sample text" {Sample text} {} {} {1 1 1 1}}
    {-textvariable i i {} {} {1 1 1 1}}
    {-underline 5 5 3p {expected integer but got "3p"} {1 1 1 1}}
    {-value anyString anyString {} {} {0 0 0 1}}
    {-width 402 402 3p {expected integer but got "3p"} {1 1 1 1}}
    {-wraplength 100 100 6x {bad screen distance "6x"} {1 1 1 1}}
} {
    set name [lindex $test 0]
    set classes [lindex $test 5]
    foreach w {.l .b .c .r} hasOption [lindex $test 5] {
	if $hasOption {
	    test button-1.$i {configuration options} {
		$w configure $name [lindex $test 1]
		lindex [$w configure $name] 4
	    } [lindex $test 2]
	    incr i
	    if {[lindex $test 3] != ""} {
		test button-1.$i {configuration options} {
		    list [catch {$w configure $name [lindex $test 3]} msg] $msg
		} [list 1 [lindex $test 4]]
	    }
	    $w configure $name [lindex [$w configure $name] 3]
	} else {
	    test button-1.$i {configuration options} {
		list [catch {$w configure $name [lindex $test 1]} msg] $msg
	    } "1 {unknown option \"$name\"}"
	}
    }
    incr i
}
test button-1.$i {configuration options} {
    .c configure -selectcolor {}
} {}
incr i

test button-3.1 {ButtonCreate - not enough cd ../unix
} {
    list [catch {button} msg] $msg
} {1 {wrong # args: should be "button pathName ?options?"}}
test button-3.2 {ButtonCreate procedure - setting label class} {
    catch {destroy .x}
    label .x
    winfo class .x
} {Label}
test button-3.3 {ButtonCreate - setting button class} {
    catch {destroy .x}
    button .x
    winfo class .x
} {Button}
test button-3.4 {ButtonCreate - setting checkbutton class} {
    catch {destroy .x}
    checkbutton .x
    winfo class .x
} {Checkbutton}
test button-3.5 {ButtonCreate - setting radiobutton class} {
    catch {destroy .x}
    radiobutton .x
    winfo class .x
} {Radiobutton}
rename button gorp
test button-3.6 {ButtonCreate - setting class} {
    catch {destroy .x}
    gorp .x
    winfo class .x
} {Button}
rename gorp button
test button-3.7 {ButtonCreate - bad window name} {
    list [catch {button foo} msg] $msg
} {1 {bad window path name "foo"}}
test button-3.8 {ButtonCreate procedure - error in default option value} {
    catch {destroy .funny}
    option add *funny.background bogus
    list [catch {button .funny} msg] $msg $errorInfo
} {1 {unknown color name "bogus"} {unknown color name "bogus"
    (database entry for "-background" in widget ".funny")
    invoked from within
"button .funny"}}
test button-3.9 {ButtonCreate procedure - option error} {
    catch {destroy .x}
    list [catch {button .x -gorp foo} msg] $msg [winfo exists .x]
} {1 {unknown option "-gorp"} 0}
test button-3.10 {ButtonCreate procedure - return value} {
    catch {destroy .abcd}
    set x [button .abcd]
    destroy .abc
    set x
} {.abcd}

test button-4.1 {ButtonWidgetCmd - too few arguments} {
    list [catch {.b} msg] $msg
} {1 {wrong # args: should be ".b option ?arg arg ...?"}}
test button-4.2 {ButtonWidgetCmd - bad option name} {
    list [catch {.b c} msg] $msg
} {1 {ambiguous option "c": must be cget, configure, flash, or invoke}}
test button-4.3 {ButtonWidgetCmd - bad option name} {
    list [catch {.b bogus} msg] $msg
} {1 {bad option "bogus": must be cget, configure, flash, or invoke}}
test button-4.4 {ButtonWidgetCmd procedure, "cget" option} {
    list [catch {.b cget a b} msg] $msg
} {1 {wrong # args: should be ".b cget option"}}
test button-4.5 {ButtonWidgetCmd procedure, "cget" option} {
    list [catch {.b cget -gorp} msg] $msg
} {1 {unknown option "-gorp"}}
test button-4.6 {ButtonWidgetCmd procedure, "cget" option} {
    .b configure -highlightthickness 3
    .b cget -highlightthickness
} {3}
test button-4.7 {ButtonWidgetCmd procedure, "cget" option} {
    list [catch {.l cget -disabledforeground} msg] $msg
} {1 {unknown option "-disabledforeground"}}
test button-4.8 {ButtonWidgetCmd procedure, "cget" option} {
    catch {.b cget -disabledforeground}
} {0}
test button-4.9 {ButtonWidgetCmd procedure, "cget" option} {
    list [catch {.b cget -variable} msg] $msg
} {1 {unknown option "-variable"}}
test button-4.10 {ButtonWidgetCmd procedure, "cget" option} {
    catch {.c cget -variable}
} {0}
test button-4.11 {ButtonWidgetCmd procedure, "cget" option} {
    list [catch {.c cget -value} msg] $msg
} {1 {unknown option "-value"}}
test button-4.12 {ButtonWidgetCmd procedure, "cget" option} {
    catch {.r cget -value}
} {0}
test button-4.13 {ButtonWidgetCmd procedure, "cget" option} {
    list [catch {.r cget -onvalue} msg] $msg
} {1 {unknown option "-onvalue"}}
test button-4.14 {ButtonWidgetCmd procedure, "configure" option} {
    llength [.c configure]
} {36}
test button-4.15 {ButtonWidgetCmd procedure, "configure" option} {
    list [catch {.b configure -gorp} msg] $msg
} {1 {unknown option "-gorp"}}
test button-4.16 {ButtonWidgetCmd procedure, "configure" option} {
    list [catch {.b co -bg #ffffff -fg} msg] $msg
} {1 {value for "-fg" missing}}
test button-4.17 {ButtonWidgetCmd procedure, "configure" option} {
    .b configure -fg #123456
    .b configure -bg #654321
    lindex [.b configure -fg] 4
} {#123456}
.c configure -variable value -onvalue 1 -offvalue 0
.r configure -variable value2 -value red
test button-4.18 {ButtonWidgetCmd procedure, "deselect" option} {
    list [catch {.c deselect foo} msg] $msg
} {1 {wrong # args: should be ".c deselect"}}
test button-4.19 {ButtonWidgetCmd procedure, "deselect" option} {
    list [catch {.l deselect} msg] $msg
} {1 {bad option "deselect": must be cget or configure}}
test button-4.20 {ButtonWidgetCmd procedure, "deselect" option} {
    list [catch {.b deselect} msg] $msg
} {1 {bad option "deselect": must be cget, configure, flash, or invoke}}
test button-4.21 {ButtonWidgetCmd procedure, "deselect" option} {
    set value 1
    .c d
    set value
} {0}
test button-4.22 {ButtonWidgetCmd procedure, "deselect" option} {
    set value2 green
    .r deselect
    set value2
} {green}
test button-4.23 {ButtonWidgetCmd procedure, "deselect" option} {
    set value2 red
    .r deselect
    set value2
} {}
test button-4.24 {ButtonWidgetCmd procedure, "deselect" option} {
    set value 1
    trace variable value w bogusTrace
    set result [list [catch {.c deselect} msg] $msg $errorInfo $value]
    trace vdelete value w bogusTrace
    set result
} {1 {can't set "value": trace aborted} {can't set "value": trace aborted
    while executing
".c deselect"} 0}
test button-4.25 {ButtonWidgetCmd procedure, "deselect" option} {
    set value2 red
    trace variable value2 w bogusTrace
    set result [list [catch {.r deselect} msg] $msg $errorInfo $value2]
    trace vdelete value2 w bogusTrace
    set result
} {1 {can't set "value2": trace aborted} {can't set "value2": trace aborted
    while executing
".r deselect"} {}}
test button-4.26 {ButtonWidgetCmd procedure, "flash" option} {
    list [catch {.b flash foo} msg] $msg
} {1 {wrong # args: should be ".b flash"}}
test button-4.27 {ButtonWidgetCmd procedure, "flash" option} {
    list [catch {.l flash} msg] $msg
} {1 {bad option "flash": must be cget or configure}}
test button-4.28 {ButtonWidgetCmd procedure, "flash" option} {
    list [catch {.b flash} msg] $msg
} {0 {}}
test button-4.29 {ButtonWidgetCmd procedure, "flash" option} {
    list [catch {.c flash} msg] $msg
} {0 {}}
test button-4.30 {ButtonWidgetCmd procedure, "flash" option} {
    list [catch {.r f} msg] $msg
} {0 {}}
test button-4.31 {ButtonWidgetCmd procedure, "invoke" option} {
    list [catch {.b invoke foo} msg] $msg
} {1 {wrong # args: should be ".b invoke"}}
test button-4.32 {ButtonWidgetCmd procedure, "invoke" option} {
    list [catch {.l invoke} msg] $msg
} {1 {bad option "invoke": must be cget or configure}}
test button-4.33 {ButtonWidgetCmd procedure, "invoke" option} {
    .b configure -command {set x invoked}
    set x "not invoked"
    .b invoke
    set x
} {invoked}
test button-4.34 {ButtonWidgetCmd procedure, "invoke" option} {
    .b configure -command {set x invoked} -state disabled
    set x "not invoked"
    .b invoke
    set x
} {not invoked}
test button-4.35 {ButtonWidgetCmd procedure, "invoke" option} {
    set value bogus
    .c configure -command {set x invoked} -variable value -onvalue 1 \
	    -offvalue 0
    set x "not invoked"
    .c invoke
    list $x $value
} {invoked 1}
test button-4.36 {ButtonWidgetCmd procedure, "invoke" option} {
    set value2 green
    .r configure -command {set x invoked} -variable value2 -value red
    set x "not invoked"
    .r i
    list $x $value2
} {invoked red}
test button-4.37 {ButtonWidgetCmd procedure, "select" option} {
    list [catch {.l select} msg] $msg
} {1 {bad option "select": must be cget or configure}}
test button-4.38 {ButtonWidgetCmd procedure, "select" option} {
    list [catch {.b select} msg] $msg
} {1 {bad option "select": must be cget, configure, flash, or invoke}}
test button-4.39 {ButtonWidgetCmd procedure, "select" option} {
    list [catch {.c select foo} msg] $msg
} {1 {wrong # args: should be ".c select"}}
test button-4.40 {ButtonWidgetCmd procedure, "select" option} {
    set value bogus
    .c configure -command {} -variable value -onvalue lovely -offvalue 0
    .c s
    set value
} {lovely}
test button-4.41 {ButtonWidgetCmd procedure, "select" option} {
    set value2 green
    .r configure -command {} -variable value2 -value red
    .r select
    set value2
} {red}
test button-4.42 {ButtonWidgetCmd procedure, "select" option} {
    set value2 yellow
    trace variable value2 w bogusTrace
    set result [list [catch {.r select} msg] $msg $errorInfo $value2]
    trace vdelete value2 w bogusTrace
    set result
} {1 {can't set "value2": trace aborted} {can't set "value2": trace aborted
    while executing
".r select"} red}
test button-4.43 {ButtonWidgetCmd procedure, "toggle" option} {
    list [catch {.l toggle} msg] $msg
} {1 {bad option "toggle": must be cget or configure}}
test button-4.44 {ButtonWidgetCmd procedure, "toggle" option} {
    list [catch {.b toggle} msg] $msg
} {1 {bad option "toggle": must be cget, configure, flash, or invoke}}
test button-4.45 {ButtonWidgetCmd procedure, "toggle" option} {
    list [catch {.r toggle} msg] $msg
} {1 {bad option "toggle": must be cget, configure, deselect, flash, invoke, or select}}
test button-4.46 {ButtonWidgetCmd procedure, "toggle" option} {
    list [catch {.c toggle foo} msg] $msg
} {1 {wrong # args: should be ".c toggle"}}
test button-4.47 {ButtonWidgetCmd procedure, "toggle" option} {
    set value bogus
    .c configure -command {} -variable value -onvalue sunshine -offvalue rain
    .c toggle
    set result $value
    .c toggle
    lappend result $value
    .c toggle
    lappend result $value
} {sunshine rain sunshine}
test button-4.48 {ButtonWidgetCmd procedure, "toggle" option} {
    .c configure -onvalue xyz -offvalue abc
    set value xyz
    trace variable value w bogusTrace
    set result [list [catch {.c toggle} msg] $msg $errorInfo $value]
    trace vdelete value w bogusTrace
    set result
} {1 {can't set "value": trace aborted} {can't set "value": trace aborted
    while executing
".c toggle"} abc}
test button-4.49 {ButtonWidgetCmd procedure, "toggle" option} {
    .c configure -onvalue xyz -offvalue abc
    set value abc
    trace variable value w bogusTrace
    set result [list [catch {.c toggle} msg] $msg $errorInfo $value]
    trace vdelete value w bogusTrace
    set result
} {1 {can't set "value": trace aborted} {can't set "value": trace aborted
    while executing
".c toggle"} xyz}
test button-4.50 {ButtonWidgetCmd procedure, "toggle" option} {
    catch {unset value}; set value(1) 1;
    set result [list [catch {.c toggle} msg] $msg $errorInfo]
    unset value;
    set result
} {1 {can't set "value": variable is array} {can't set "value": variable is array
    while executing
".c toggle"}}

test button-5.1 {DestroyButton procedure} {
    image create test image1
    button .b1 -image image1
    button .b2 -fg #ff0000 -text "Button 2"
    button .b3 -state active -text "Button 3"
    button .b4 -disabledforeground #0000ff -state disabled -text "Button 4"
    checkbutton .b5 -variable x -text "Checkbutton 5"
    set x 1
    pack .b1 .b2 .b3 .b4 .b5
    update
    eval destroy [winfo children .]
} {}

test button-6.1 {ConfigureButton - textvariable trace} {
    catch {destroy .b1}
    button .b1 -bd 4 -bg green
    catch {.b1 configure -bd 7 -bg green -fg bogus}
    list [catch {.b1 configure -bd 7 -bg red -fg bogus} msg] \
	    $msg [.b1 cget -bd] [.b1 cget -bg]
} {1 {unknown color name "bogus"} 4 green}
test button-6.2 {ConfigureButton - textvariable trace} {
    catch {destroy .b1}
    set x From-x
    set y From-y
    button .b1 -textvariable x
    .b1 configure -textvariable y
    set x New
    lindex [.b1 configure -text] 4
} {From-y}
test button-6.2 {ConfigureButton - variable traces} {
    catch {destroy .b1}
    catch {unset x}
    checkbutton .b1 -variable x
    set x 1
    set y 1
    .b1 configure -textvariable y
    set x 0
    .b1 toggle
    set y
} {1}
test button-6.3 {ConfigureButton - image handling} {
    catch {destroy .b1}
    eval image delete [image names]
    image create test image1
    image create test image2
    button .b1 -image image1
    image delete image1
    .b1 configure -image image2
    image names
} {image2}
test button-6.5 {ConfigureButton - default value for variable} {
    catch {destroy .b1}
    checkbutton .b1
    .b1 cget -variable
} {b1}
test button-6.6 {ConfigureButton - setting selected state from variable} {
    catch {destroy .b1}
    set x 0
    set y Shiny
    checkbutton .b1 -variable x
    .b1 configure -variable y -onvalue Shiny
    .b1 toggle
    set y
} 0
test button-6.7 {ConfigureButton - setting selected state from variable} {
    catch {destroy .b1}
    catch {unset x}
    checkbutton .b1 -variable x -offvalue Bogus
    set x
} Bogus
test button-6.8 {ConfigureButton - setting selected state from variable} {
    catch {destroy .b1}
    catch {unset x}
    radiobutton .b1 -variable x
    set x
} {}
test button-6.9 {ConfigureButton - error in setting variable} {
    catch {destroy .b1}
    catch {unset x}
    trace variable x w bogusTrace
    set result [list [catch {radiobutton .b1 -variable x} msg] $msg]
    trace vdelete x w bogusTrace
    set result
} {1 {can't set "x": trace aborted}}
test button-6.10 {ConfigureButton - bad image name} {
    catch {destroy .b1}
    list [catch {button .b1 -image bogus} msg] $msg
} {1 {image "bogus" doesn't exist}}
test button-6.11 {ConfigureButton - setting variable from current text value} {
    catch {destroy .b1}
    catch {unset x}
    button .b1 -textvariable x -text "Button 1"
    set x
} {Button 1}
test button-6.12 {ConfigureButton - using current value of variable} {
    catch {destroy .b1}
    set x Override
    button .b1 -textvariable x -text "Button 1"
    set x
} {Override}
test button-6.13 {ConfigureButton - variable handling} {
    catch {destroy .b1}
    catch {unset x}
    trace variable x w bogusTrace
    set result [list [catch {radiobutton .b1 -text foo -textvariable x} msg] \
	    $msg $x]
    trace vdelete x w bogusTrace
    set result
} {1 {can't set "x": trace aborted} foo}
test button-6.14 {ConfigureButton - -width option} {
    catch {destroy .b1}
    button .b1 -text "Button 1"
    list [catch {.b1 configure -width 1i} msg] $msg $errorInfo
} {1 {expected integer but got "1i"} {expected integer but got "1i"
    (processing -width option)
    invoked from within
".b1 configure -width 1i"}}
test button-6.15 {ConfigureButton - -height option} {
    catch {destroy .b1}
    button .b1 -text "Button 1"
    list [catch {.b1 configure -height 0.5c} msg] $msg $errorInfo
} {1 {expected integer but got "0.5c"} {expected integer but got "0.5c"
    (processing -height option)
    invoked from within
".b1 configure -height 0.5c"}}
test button-6.16 {ConfigureButton - -width option} {
    catch {destroy .b1}
    button .b1 -bitmap questhead
    list [catch {.b1 configure -width abc} msg] $msg $errorInfo
} {1 {bad screen distance "abc"} {bad screen distance "abc"
    (processing -width option)
    invoked from within
".b1 configure -width abc"}}
test button-6.17 {ConfigureButton - -height option} {
    catch {destroy .b1}
    eval image delete [image names]
    image create test image1
    button .b1 -image image1
    list [catch {.b1 configure -height 0.5x} msg] $msg $errorInfo
} {1 {bad screen distance "0.5x"} {bad screen distance "0.5x"
    (processing -height option)
    invoked from within
".b1 configure -height 0.5x"}}
test button-6.18 {ConfigureButton - computing geometry} {nonPortable fonts} {
    catch {destroy .b1}
    button .b1 -text "Sample text" -width 10 -height 2
    pack .b1
    set result "[winfo reqwidth .b1] [winfo reqheight .b1]"
    .b1 configure -bitmap questhead
    lappend result [winfo reqwidth .b1] [winfo reqheight .b1]
} {102 46 20 12}
test button-6.19 {ConfigureButton - computing geometry} {
    catch {destroy .b1}
    button .b1 -text "Button 1"
    set old [winfo reqwidth .b1]
    .b1 configure -text "Much longer text"
    set new [winfo reqwidth .b1]
    expr $old == $new
} {0}

test button-7.1 {ButtonEventProc procedure} {
    catch {destroy .b1}
    button .b1 -text "Test Button" -command {
	destroy .b1
	set x [list [winfo exists .b1] [info commands .b1]]
    }
    .b1 invoke
    set x
} {0 {}}
test button-7.2 {ButtonEventProc procedure} {
    eval destroy [winfo children .]
    button .b1 -bg #543210
    rename .b1 .b2
    set x {}
    lappend x [winfo children .]
    lappend x [.b2 cget -bg]
    destroy .b1
    lappend x [info command .b*] [winfo children .]
} {.b1 #543210 {} {}}

test button-8.1 {ButtonCmdDeletedProc procedure} {
    eval destroy [winfo children .]
    button .b1
    rename .b1 {}
    list [info command .b*] [winfo children .]
} {{} {}}

test button-9.1 {TkInvokeButton procedure} {
    catch {destroy .b1}
    set x 0
    checkbutton .b1 -variable x
    set result $x
    .b1 invoke
    lappend result $x
    .b1 invoke
    lappend result $x
} {0 1 0}
test button-9.2 {TkInvokeButton procedure} {
    catch {destroy .b1}
    set x 0
    checkbutton .b1 -variable x
    trace variable x w bogusTrace
    set result [list [catch {.b1 invoke} msg] $msg $x]
    trace vdelete x w bogusTrace
    set result
} {1 {can't set "x": trace aborted} 1}
test button-9.3 {TkInvokeButton procedure} {
    catch {destroy .b1}
    set x 1
    checkbutton .b1 -variable x
    trace variable x w bogusTrace
    set result [list [catch {.b1 invoke} msg] $msg $x]
    trace vdelete x w bogusTrace
    set result
} {1 {can't set "x": trace aborted} 0}
test button-9.4 {TkInvokeButton procedure} {
    catch {destroy .b1}
    set x 0
    radiobutton .b1 -variable x -value red
    set result $x
    .b1 invoke
    lappend result $x
    .b1 invoke
    lappend result $x
} {0 red red}
test button-9.5 {TkInvokeButton procedure} {
    catch {destroy .b1}
    radiobutton .b1 -variable x -value red
    set x green
    trace variable x w bogusTrace
    set result [list [catch {.b1 invoke} msg] $msg $errorInfo $x]
    trace vdelete x w bogusTrace
    set result
} {1 {can't set "x": trace aborted} {can't set "x": trace aborted
    while executing
".b1 invoke"} red}
test button-9.6 {TkInvokeButton procedure} {
    eval destroy [winfo children .]
    set result untouched
    button .b1 -command {set result invoked}
    list [catch {.b1 invoke} msg] $msg $result
} {0 invoked invoked}
test button-9.7 {TkInvokeButton procedure} {
    eval destroy [winfo children .]
    set result untouched
    set x 0
    checkbutton .b1 -variable x -command {set result "invoked $x"}
    list [catch {.b1 invoke} msg] $msg $result
} {0 {invoked 1} {invoked 1}}
test button-9.8 {TkInvokeButton procedure} {
    eval destroy [winfo children .]
    set result untouched
    set x 0
    radiobutton .b1 -variable x -value red -command {set result "invoked $x"}
    list [catch {.b1 invoke} msg] $msg $result
} {0 {invoked red} {invoked red}}

test button-10.1 {ButtonVarProc procedure} {
    eval destroy [winfo children .]
    set x 1
    checkbutton .b1 -variable x
    unset x
    set result [info exists x]
    .b1 toggle
    lappend result $x
    set x 0
    .b1 toggle
    lappend result $x
} {0 1 1}
test button-10.2 {ButtonVarProc procedure} {
    eval destroy [winfo children .]
    set x 0
    checkbutton .b1 -variable x
    set x 44
    .b1 toggle
    set x
} {1}
test button-10.3 {ButtonVarProc procedure} {
    eval destroy [winfo children .]
    set x 1
    checkbutton .b1 -variable x
    set x 44
    .b1 toggle
    set x
} {1}
test button-10.4 {ButtonVarProc procedure} {
    eval destroy [winfo children .]
    set x 0
    checkbutton .b1 -variable x
    set x 1
    .b1 toggle
    set x
} {0}
test button-10.5 {ButtonVarProc procedure} {
    eval destroy [winfo children .]
    set x 1
    checkbutton .b1 -variable x
    set x 1
    .b1 toggle
    set x
} {0}
test button-10.6 {ButtonVarProc procedure} {
    eval destroy [winfo children .]
    set x 0
    checkbutton .b1 -variable x
    set x 0
    .b1 toggle
    set x
} {1}
test button-10.7 {ButtonVarProc procedure} {
    eval destroy [winfo children .]
    set x 1
    checkbutton .b1 -variable x
    set x 0
    .b1 toggle
    set x
} {1}
test button-10.8 {ButtonVarProc procedure, can't read variable} {
    # This test does nothing but produce a core dump if there's a prbblem.
    eval destroy [winfo children .]
    catch {unset a}
    checkbutton .b1 -variable a
    unset a
    set a(32) 0
    unset a
} {}

test button-11.1 {ButtonTextVarProc procedure} {
    eval destroy [winfo children .]
    set x Label
    button .b1 -textvariable x
    unset x
    set result [list $x [lindex [.b1 configure -text] 4]]
    set x New
    lappend result [lindex [.b1 configure -text] 4]
} {Label Label New}
test button-11.2 {ButtonTextVarProc procedure} {
    eval destroy [winfo children .]
    set x Label
    button .b1 -textvariable x
    set old [winfo reqwidth .b1]
    set x New
    set new [winfo reqwidth .b1]
    list [lindex [.b1 configure -text] 4] [expr $old == $new]
} {New 0}

test button-12.1 {ButtonImageProc procedure} {
    eval destroy [winfo children .]
    eval image delete [image names]
    image create test image1
    label .b1 -image image1 -padx 0 -pady 0 -bd 0
    pack .b1
    set result "[winfo reqwidth .b1] [winfo reqheight .b1]"
    image1 changed 0 0 0 0 80 100
    lappend result [winfo reqwidth .b1] [winfo reqheight .b1]
} {30 15 80 100}

eval destroy [winfo children .]
set l [interp hidden]

test button-13.1 {button widget vs hidden commands} {
    catch {destroy .b}
    button .b -text hello
    interp hide {} .b
    destroy .b
    list [winfo children .] [interp hidden]
} [list {} $l]

eval destroy [winfo children .]

option clear