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diff --git a/util/src/TclTk/tk8.6.12/tests/scale.test b/util/src/TclTk/tk8.6.12/tests/scale.test
new file mode 100644
index 0000000000..6e627106b9
--- /dev/null
+++ b/util/src/TclTk/tk8.6.12/tests/scale.test
@@ -0,0 +1,1605 @@
+# This file is a Tcl script to test out the "scale" command
+# of Tk.  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.
+# Copyright (c) 1998-1999 by Scriptics Corporation.
+# All rights reserved.
+
+package require tcltest 2.2
+namespace import ::tcltest::*
+eval tcltest::configure $argv
+tcltest::loadTestedCommands
+
+# Create entries in the option database to be sure that geometry options
+# like border width have predictable values.
+
+option add *Scale.borderWidth 2
+option add *Scale.highlightThickness 2
+option add *Scale.font {Helvetica -12 bold}
+
+# Widget used in 1.* tests
+scale .s -from 100 -to 300
+pack .s
+update
+
+test scale-1.1 {configuration options} -body {
+    .s configure -activebackground #ff0000
+    .s cget -activebackground
+} -cleanup {
+    .s configure -activebackground [lindex [.s configure -activebackground] 3]
+} -result {#ff0000}
+test scale-1.2 {configuration options} -body {
+        .s configure -activebackground non-existent
+} -returnCodes error -result {unknown color name "non-existent"}
+test scale-1.3 {configuration options} -body {
+    .s configure -background #ff0000
+    .s cget -background
+} -cleanup {
+    .s configure -background [lindex [.s configure -background] 3]
+} -result {#ff0000}
+test scale-1.4 {configuration options} -body {
+        .s configure -background non-existent
+} -returnCodes error -result {unknown color name "non-existent"}
+test scale-1.5 {configuration options} -body {
+    .s configure -bd 4
+    .s cget -bd
+} -cleanup {
+    .s configure -bd [lindex [.s configure -bd] 3]
+} -result {4}
+test scale-1.6 {configuration options} -body {
+        .s configure -bd badValue
+} -returnCodes error -result {bad screen distance "badValue"}
+test scale-1.7 {configuration options} -body {
+    .s configure -bigincrement 12.5
+    .s cget -bigincrement
+} -cleanup {
+    .s configure -bigincrement [lindex [.s configure -bigincrement] 3]
+} -result {12.5}
+test scale-1.8 {configuration options} -body {
+        .s configure -bigincrement badValue
+} -returnCodes error -result {expected floating-point number but got "badValue"}
+test scale-1.9 {configuration options} -body {
+    .s configure -bg #ff0000
+    .s cget -bg
+} -cleanup {
+    .s configure -bg [lindex [.s configure -bg] 3]
+} -result {#ff0000}
+test scale-1.10 {configuration options} -body {
+        .s configure -bg non-existent
+} -returnCodes error -result {unknown color name "non-existent"}
+test scale-1.11 {configuration options} -body {
+    .s configure -borderwidth 1.3
+    .s cget -borderwidth
+} -cleanup {
+    .s configure -borderwidth [lindex [.s configure -borderwidth] 3]
+} -result {1}
+test scale-1.12 {configuration options} -body {
+        .s configure -borderwidth badValue
+} -returnCodes error -result {bad screen distance "badValue"}
+test scale-1.13 {configuration options} -body {
+    .s configure -command {set x}
+    .s cget -command
+} -cleanup {
+    .s configure -command [lindex [.s configure -command] 3]
+} -result {set x}
+test scale-1.15 {configuration options} -body {
+    .s configure -cursor arrow
+    .s cget -cursor
+} -cleanup {
+    .s configure -cursor [lindex [.s configure -cursor] 3]
+} -result {arrow}
+test scale-1.16 {configuration options} -body {
+        .s configure -cursor badValue
+} -returnCodes error -result {bad cursor spec "badValue"}
+test scale-1.17 {configuration options} -body {
+    .s configure -digits 5
+    .s cget -digits
+} -cleanup {
+    .s configure -digits [lindex [.s configure -digits] 3]
+} -result {5}
+test scale-1.18 {configuration options} -body {
+        .s configure -digits badValue
+} -returnCodes error -result {expected integer but got "badValue"}
+test scale-1.19 {configuration options} -body {
+    .s configure -fg #00ff00
+    .s cget -fg
+} -cleanup {
+    .s configure -fg [lindex [.s configure -fg] 3]
+} -result {#00ff00}
+test scale-1.20 {configuration options} -body {
+        .s configure -fg badValue
+} -returnCodes error -result {unknown color name "badValue"}
+test scale-1.21 {configuration options} -body {
+    .s configure -font fixed
+    .s cget -font
+} -cleanup {
+    .s configure -font [lindex [.s configure -font] 3]
+} -result {fixed}
+test scale-1.23 {configuration options} -body {
+    .s configure -foreground green
+    .s cget -foreground
+} -cleanup {
+    .s configure -foreground [lindex [.s configure -foreground] 3]
+} -result {green}
+test scale-1.24 {configuration options} -body {
+        .s configure -foreground badValue
+} -returnCodes error -result {unknown color name "badValue"}
+test scale-1.25 {configuration options} -body {
+    .s configure -from -15.0
+    .s cget -from
+} -cleanup {
+    .s configure -from [lindex [.s configure -from] 3]
+} -result {-15.0}
+test scale-1.26 {configuration options} -body {
+        .s configure -from badValue
+} -returnCodes error -result {expected floating-point number but got "badValue"}
+test scale-1.27 {configuration options} -body {
+    .s configure -highlightbackground #112233
+    .s cget -highlightbackground
+} -cleanup {
+    .s configure -highlightbackground [lindex [.s configure -highlightbackground] 3]
+} -result {#112233}
+test scale-1.28 {configuration options} -body {
+        .s configure -highlightbackground ugly
+} -returnCodes error -result {unknown color name "ugly"}
+test scale-1.29 {configuration options} -body {
+    .s configure -highlightcolor #123456
+    .s cget -highlightcolor
+} -cleanup {
+    .s configure -highlightcolor [lindex [.s configure -highlightcolor] 3]
+} -result {#123456}
+test scale-1.30 {configuration options} -body {
+        .s configure -highlightcolor non-existent
+} -returnCodes error -result {unknown color name "non-existent"}
+test scale-1.31 {configuration options} -body {
+    .s configure -highlightthickness 2
+    .s cget -highlightthickness
+} -cleanup {
+    .s configure -highlightthickness [lindex [.s configure -highlightthickness] 3]
+} -result {2}
+test scale-1.32 {configuration options} -body {
+        .s configure -highlightthickness badValue
+} -returnCodes error -result {bad screen distance "badValue"}
+test scale-1.33 {configuration options} -body {
+    .s configure -label {Some text}
+    .s cget -label
+} -cleanup {
+    .s configure -label [lindex [.s configure -label] 3]
+} -result {Some text}
+test scale-1.35 {configuration options} -body {
+    .s configure -length 130
+    .s cget -length
+} -cleanup {
+    .s configure -length [lindex [.s configure -length] 3]
+} -result {130}
+test scale-1.36 {configuration options} -body {
+        .s configure -length badValue
+} -returnCodes error -result {bad screen distance "badValue"}
+test scale-1.37 {configuration options} -body {
+    .s configure -orient horizontal
+    .s cget -orient
+} -cleanup {
+    .s configure -orient [lindex [.s configure -orient] 3]
+} -result {horizontal}
+test scale-1.38 {configuration options} -body {
+        .s configure -orient badValue
+} -returnCodes error -result {bad orient "badValue": must be horizontal or vertical}
+test scale-1.39 {configuration options} -body {
+    .s configure -orient horizontal
+    .s cget -orient
+} -cleanup {
+    .s configure -orient [lindex [.s configure -orient] 3]
+} -result {horizontal}
+test scale-1.41 {configuration options} -body {
+    .s configure -relief ridge
+    .s cget -relief
+} -cleanup {
+    .s configure -relief [lindex [.s configure -relief] 3]
+} -result {ridge}
+test scale-1.42 {configuration options} -body {
+        .s configure -relief badValue
+} -returnCodes error -result {bad relief "badValue": must be flat, groove, raised, ridge, solid, or sunken}
+test scale-1.43 {configuration options} -body {
+    .s configure -repeatdelay 14
+    .s cget -repeatdelay
+} -cleanup {
+    .s configure -repeatdelay [lindex [.s configure -repeatdelay] 3]
+} -result {14}
+test scale-1.44 {configuration options} -body {
+        .s configure -repeatdelay bogus
+} -returnCodes error -result {expected integer but got "bogus"}
+test scale-1.45 {configuration options} -body {
+    .s configure -repeatinterval 14
+    .s cget -repeatinterval
+} -cleanup {
+    .s configure -repeatinterval [lindex [.s configure -repeatinterval] 3]
+} -result {14}
+test scale-1.46 {configuration options} -body {
+        .s configure -repeatinterval bogus
+} -returnCodes error -result {expected integer but got "bogus"}
+test scale-1.47 {configuration options} -body {
+    .s configure -resolution 2.0
+    .s cget -resolution
+} -cleanup {
+    .s configure -resolution [lindex [.s configure -resolution] 3]
+} -result {2.0}
+test scale-1.48 {configuration options} -body {
+        .s configure -resolution badValue
+} -returnCodes error -result {expected floating-point number but got "badValue"}
+test scale-1.49 {configuration options} -body {
+    .s configure -showvalue 0
+    .s cget -showvalue
+} -cleanup {
+    .s configure -showvalue [lindex [.s configure -showvalue] 3]
+} -result {0}
+test scale-1.50 {configuration options} -body {
+        .s configure -showvalue badValue
+} -returnCodes error -result {expected boolean value but got "badValue"}
+test scale-1.51 {configuration options} -body {
+    .s configure -sliderlength 86
+    .s cget -sliderlength
+} -cleanup {
+    .s configure -sliderlength [lindex [.s configure -sliderlength] 3]
+} -result {86}
+test scale-1.52 {configuration options} -body {
+        .s configure -sliderlength badValue
+} -returnCodes error -result {bad screen distance "badValue"}
+test scale-1.53 {configuration options} -body {
+    .s configure -sliderrelief raised
+    .s cget -sliderrelief
+} -cleanup {
+    .s configure -sliderrelief [lindex [.s configure -sliderrelief] 3]
+} -result {raised}
+test scale-1.54 {configuration options} -body {
+        .s configure -sliderrelief badValue
+} -returnCodes error -result {bad relief "badValue": must be flat, groove, raised, ridge, solid, or sunken}
+test scale-1.55 {configuration options} -body {
+    .s configure -state d
+    .s cget -state
+} -cleanup {
+    .s configure -state [lindex [.s configure -state] 3]
+} -result {disabled}
+test scale-1.56 {configuration options} -body {
+        .s configure -state badValue
+} -returnCodes error -result {bad state "badValue": must be active, disabled, or normal}
+test scale-1.57 {configuration options} -body {
+    .s configure -state n
+    .s cget -state
+} -cleanup {
+    .s configure -state [lindex [.s configure -state] 3]
+} -result {normal}
+test scale-1.59 {configuration options} -body {
+    .s configure -takefocus {any string}
+    .s cget -takefocus
+} -cleanup {
+    .s configure -takefocus [lindex [.s configure -takefocus] 3]
+} -result {any string}
+test scale-1.61 {configuration options} -body {
+    .s configure -tickinterval 4.3
+    .s cget -tickinterval
+} -cleanup {
+    .s configure -tickinterval [lindex [.s configure -tickinterval] 3]
+} -result {4.0}
+test scale-1.62 {configuration options} -body {
+        .s configure -tickinterval badValue
+} -returnCodes error -result {expected floating-point number but got "badValue"}
+test scale-1.63 {configuration options} -body {
+    .s configure -to 14.9
+    .s cget -to
+} -cleanup {
+    .s configure -to [lindex [.s configure -to] 3]
+} -result {15.0}
+test scale-1.64 {configuration options} -body {
+        .s configure -to badValue
+} -returnCodes error -result {expected floating-point number but got "badValue"}
+test scale-1.65 {configuration options} -body {
+    .s configure -troughcolor #ff0000
+    .s cget -troughcolor
+} -cleanup {
+    .s configure -troughcolor [lindex [.s configure -troughcolor] 3]
+} -result {#ff0000}
+test scale-1.66 {configuration options} -body {
+        .s configure -troughcolor non-existent
+} -returnCodes error -result {unknown color name "non-existent"}
+test scale-1.67 {configuration options} -body {
+    .s configure -variable x
+    .s cget -variable
+} -cleanup {
+    .s configure -variable [lindex [.s configure -variable] 3]
+} -result {x}
+test scale-1.69 {configuration options} -body {
+    .s configure -width 32
+    .s cget -width
+} -cleanup {
+    .s configure -width [lindex [.s configure -width] 3]
+} -result {32}
+test scale-1.70 {configuration options} -body {
+        .s configure -width badValue
+} -returnCodes error -result {bad screen distance "badValue"}
+destroy .s
+
+
+test scale-2.1 {Tk_ScaleCmd procedure} -body {
+    scale
+} -returnCodes error -result {wrong # args: should be "scale pathName ?-option value ...?"}
+test scale-2.2 {Tk_ScaleCmd procedure} -body {
+    scale foo
+} -returnCodes error -result {bad window path name "foo"}
+test scale-2.3 {Tk_ScaleCmd procedure} -body {
+    catch {scale foo}
+    winfo child .
+} -result {}
+test scale-2.4 {Tk_ScaleCmd procedure} -body {
+    scale .s -gorp dumb
+} -returnCodes error -result {unknown option "-gorp"}
+test scale-2.5 {Tk_ScaleCmd procedure} -body {
+    catch {scale .s -gorp dumb}
+    winfo child .
+} -result {}
+
+
+# Widget used in 3.* tests
+destroy .s
+scale .s -from 100 -to 200
+pack .s
+update idletasks
+test scale-3.1 {ScaleWidgetCmd procedure} -body {
+    .s
+} -returnCodes error -result {wrong # args: should be ".s option ?arg ...?"}
+test scale-3.2 {ScaleWidgetCmd procedure, cget option} -body {
+    .s cget
+} -returnCodes error -result {wrong # args: should be ".s cget option"}
+test scale-3.3 {ScaleWidgetCmd procedure, cget option} -body {
+    .s cget a b
+} -returnCodes error -result {wrong # args: should be ".s cget option"}
+test scale-3.4 {ScaleWidgetCmd procedure, cget option} -body {
+    .s cget -gorp
+} -returnCodes error -result {unknown option "-gorp"}
+test scale-3.5 {ScaleWidgetCmd procedure, cget option} -body {
+    .s configure -highlightthickness 2
+    .s cget -highlightthickness
+} -result {2}
+test scale-3.6 {ScaleWidgetCmd procedure, configure option} -body {
+    list [llength [.s configure]] [lindex [.s configure] 6]
+} -result {33 {-command command Command {} {}}}
+test scale-3.7 {ScaleWidgetCmd procedure, configure option} -body {
+    .s configure -foo
+} -returnCodes error -result {unknown option "-foo"}
+test scale-3.8 {ScaleWidgetCmd procedure, configure option} -body {
+    .s configure -borderwidth 2 -bg
+} -returnCodes error -result {value for "-bg" missing}
+test scale-3.9 {ScaleWidgetCmd procedure, coords option} -body {
+    .s coords a b
+} -returnCodes error -result {wrong # args: should be ".s coords ?value?"}
+test scale-3.10 {ScaleWidgetCmd procedure, coords option} -body {
+    .s coords bad
+} -returnCodes error -result {expected floating-point number but got "bad"}
+test scale-3.11 {ScaleWidgetCmd procedure} -constraints {
+	fonts
+} -body {
+    .s configure -from 100 -to 200
+    update idletasks
+    .s set 120
+    .s coords
+} -result {38 34}
+test scale-3.12 {ScaleWidgetCmd procedure, coords option} -constraints {
+	fonts
+} -body {
+    .s configure -from 100 -to 200 -orient horizontal
+    update idletasks
+    .s set 120
+    .s coords
+} -result {34 31}
+test scale-3.13 {ScaleWidgetCmd procedure, get option} -body {
+    .s configure -orient vertical
+    update
+    .s get a
+} -returnCodes error -result {wrong # args: should be ".s get ?x y?"}
+test scale-3.14 {ScaleWidgetCmd procedure, get option} -body {
+    .s configure -orient vertical
+    update
+    .s get a b c
+} -returnCodes error -result {wrong # args: should be ".s get ?x y?"}
+test scale-3.15 {ScaleWidgetCmd procedure, get option} -body {
+    .s configure -orient vertical
+    update
+    .s get a 11
+} -returnCodes error -result {expected integer but got "a"}
+test scale-3.16 {ScaleWidgetCmd procedure, get option} -body {
+    .s configure -orient vertical
+    update
+    .s get 12 b
+} -returnCodes error -result {expected integer but got "b"}
+test scale-3.17 {ScaleWidgetCmd procedure, get option} -body {
+    .s configure -orient vertical
+    update
+    .s set 133
+    .s get
+} -result 133
+test scale-3.18 {ScaleWidgetCmd procedure, get option} -body {
+    .s configure -orient vertical -resolution 0.5
+    update
+    .s set 150
+    .s get 37 34
+} -result {119.5}
+.s configure -resolution 1
+test scale-3.19 {ScaleWidgetCmd procedure, identify option} -body {
+    .s identify
+} -returnCodes error -result {wrong # args: should be ".s identify x y"}
+test scale-3.20 {ScaleWidgetCmd procedure, identify option} -body {
+    .s identify 1 2 3
+} -returnCodes error -result {wrong # args: should be ".s identify x y"}
+test scale-3.21 {ScaleWidgetCmd procedure, identify option} -body {
+    .s identify boo 16
+} -returnCodes error -result {expected integer but got "boo"}
+test scale-3.22 {ScaleWidgetCmd procedure, identify option} -body {
+    .s identify 17 bad
+} -returnCodes error -result {expected integer but got "bad"}
+test scale-3.23 {ScaleWidgetCmd procedure, identify option} -constraints {
+	fonts
+} -body {
+    .s configure -from 100 -to 200 -orient vertical -resolution 1
+    update
+    .s set 120
+    list [.s identify 35 10] [.s identify 35 30] [.s identify 35 80] [.s identify 5 80]
+} -result {trough1 slider trough2 {}}
+test scale-3.24 {ScaleWidgetCmd procedure, set option} -body {
+    .s set
+} -returnCodes error -result {wrong # args: should be ".s set value"}
+test scale-3.25 {ScaleWidgetCmd procedure, set option} -body {
+    .s set a b
+} -returnCodes error -result {wrong # args: should be ".s set value"}
+test scale-3.26 {ScaleWidgetCmd procedure, set option} -body {
+    .s set bad
+} -returnCodes error -result {expected floating-point number but got "bad"}
+test scale-3.27 {ScaleWidgetCmd procedure, set option} -body {
+    .s configure -from 100 -to 200 -orient vertical -resolution 0.5
+    update
+    .s set 142
+} -result {}
+test scale-3.28 {ScaleWidgetCmd procedure, set option} -body {
+    .s configure -from 100 -to 200 -orient vertical -resolution 1
+    update
+    .s set 118
+    .s configure -state disabled
+    .s set 181
+    .s configure -state normal
+    .s get
+} -result {118}
+test scale-3.29 {ScaleWidgetCmd procedure} -body {
+    .s dumb
+} -returnCodes error -result {bad option "dumb": must be cget, configure, coords, get, identify, or set}
+test scale-3.30 {ScaleWidgetCmd procedure} -body {
+    .s c
+} -returnCodes error -result {ambiguous option "c": must be cget, configure, coords, get, identify, or set}
+test scale-3.31 {ScaleWidgetCmd procedure} -body {
+    .s co
+} -returnCodes error -result {ambiguous option "co": must be cget, configure, coords, get, identify, or set}
+destroy .s
+
+test scale-3.32 {ScaleWidgetCmd procedure, Tk_Preserve} -setup {
+    destroy .s
+} -body {
+    proc kill args {
+	    destroy .s
+    }
+    scale .s -variable x -from 0 -to 100 -orient horizontal
+    pack .s
+    update
+    .s configure -command kill
+    .s set 55
+} -cleanup {
+    destroy .s
+} -result {}
+
+
+test scale-4.1 {DestroyScale procedure} -setup {
+    deleteWindows
+} -body {
+    set x 50
+    scale .s -variable x -from 0 -to 100 -orient horizontal
+    pack .s
+    update
+    destroy .s
+    list [catch {set x foo} msg] $msg $x
+} -result {0 foo foo}
+
+
+test scale-5.1 {ConfigureScale procedure} -setup {
+    deleteWindows
+} -body {
+    set x 66
+    set y 77
+    scale .s -variable x -from 0 -to 100
+    pack .s
+    update
+    .s configure -variable y
+    list [catch {set x foo} msg] $msg $x [.s get]
+} -cleanup {
+    deleteWindows
+} -result {0 foo foo 77}
+test scale-5.2 {ConfigureScale procedure} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 100
+    .s configure -foo bar
+} -cleanup {
+    deleteWindows
+} -returnCodes error -result {unknown option "-foo"}
+test scale-5.3 {ConfigureScale procedure} -setup {
+    deleteWindows
+} -body {
+    catch {unset x}
+    scale .s -from 0 -to 100 -variable x
+    set result $x
+    lappend result [.s get]
+    set x 92
+    lappend result [.s get]
+    .s set 3
+    lappend result $x
+    unset x
+    lappend result [set x]
+} -cleanup {
+    deleteWindows
+} -result {0 0 92 3 3}
+test scale-5.4 {ConfigureScale procedure} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 100
+    .s configure -orient dumb
+} -cleanup {
+    deleteWindows
+} -returnCodes error -result {bad orient "dumb": must be horizontal or vertical}
+test scale-5.5 {ConfigureScale procedure} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 1.11 -to 1.89 -resolution .1 -tickinterval .76
+    list [format %.1f [.s cget -from]] [format %.1f [.s cget -to]] \
+        [format %.1f [.s cget -tickinterval]]
+} -cleanup {
+    deleteWindows
+} -result {1.1 1.9 0.8}
+test scale-5.6 {ConfigureScale procedure} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 1 -to 10 -tickinterval -2
+    pack .s
+    set result [lindex [.s configure -tickinterval] 4]
+    .s configure -from 10 -to 1 -tickinterval 2
+    lappend result [lindex [.s configure -tickinterval] 4]
+} -cleanup {
+    deleteWindows
+} -result {2.0 -2.0}
+test scale-5.7 {ConfigureScale procedure} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 100 -state bogus
+} -cleanup {
+    deleteWindows
+} -returnCodes error -result {bad state "bogus": must be active, disabled, or normal}
+
+
+# Widget used in 6.* tests
+destroy .s
+scale .s -orient horizontal -length 200
+pack .s
+test scale-6.1 {ComputeFormat procedure} -body {
+    .s configure -from 10 -to 100 -resolution 10
+    .s set 49.3
+    .s get
+} -result {50}
+test scale-6.2 {ComputeFormat procedure} -body {
+    .s configure -from 100 -to 1000 -resolution 100
+    .s set 493
+    .s get
+} -result {500}
+test scale-6.3 {ComputeFormat procedure} -body {
+    .s configure -from 1000 -to 10000 -resolution 1000
+    .s set 4930
+    .s get
+} -result {5000}
+test scale-6.4 {ComputeFormat procedure} -body {
+    .s configure -from 10000 -to 100000 -resolution 10000
+    .s set 49000
+    .s get
+} -result {50000}
+test scale-6.5 {ComputeFormat procedure} -body {
+    .s configure -from 100000 -to 1000000 -resolution 100000
+    .s set 493000
+    .s get
+} -result {500000}
+test scale-6.6 {ComputeFormat procedure} -constraints {
+	nonPortable
+} -body {
+    # This test is non-portable because some platforms format the
+    # result as 5e+06.
+    .s configure -from 1000000 -to 10000000 -resolution 1000000
+    .s set 4930000
+    .s get
+} -result {5000000}
+test scale-6.7 {ComputeFormat procedure} -body {
+    .s configure -from 1000000000 -to 10000000000 -resolution 1000000000
+    .s set 4930000000
+    expr {[.s get] == 5.0e+09}
+} -result 1
+test scale-6.8 {ComputeFormat procedure} -body {
+    .s configure -from .1 -to 1 -resolution .1
+    .s set .6
+    .s get
+} -result {0.6}
+test scale-6.9 {ComputeFormat procedure} -body {
+    .s configure -from .01 -to .1 -resolution .01
+    .s set .06
+    .s get
+} -result {0.06}
+test scale-6.10 {ComputeFormat procedure} -body {
+    .s configure -from .001 -to .01 -resolution .001
+    .s set .006
+    .s get
+} -result {0.006}
+test scale-6.11 {ComputeFormat procedure} -body {
+    .s configure -from .0001 -to .001 -resolution .0001
+    .s set .0006
+    .s get
+} -result {0.0006}
+test scale-6.12 {ComputeFormat procedure} -body {
+    .s configure -from .00001 -to .0001 -resolution .00001
+    .s set .00006
+    .s get
+} -result {0.00006}
+test scale-6.13 {ComputeFormat procedure} -body {
+    .s configure -from .000001 -to .00001 -resolution .000001
+    .s set .000006
+    expr {[.s get] == 6.0e-06}
+} -result {1}
+test scale-6.14 {ComputeFormat procedure} -body {
+    .s configure -to .00001 -from .0001 -resolution .00001
+    .s set .00006
+    .s get
+} -result {0.00006}
+test scale-6.15 {ComputeFormat procedure} -body {
+    .s configure -to .000001 -from .00001 -resolution .000001
+    .s set .000006
+    expr {[.s get] == 6.0e-06}
+} -result {1}
+test scale-6.16 {ComputeFormat procedure} -body {
+    .s configure -from .00001 -to .0001 -resolution .00001 -digits 1
+    .s set .00006
+    expr {[.s get] == 6e-05}
+} -result {1}
+test scale-6.17 {ComputeFormat procedure} -body {
+    .s configure -from 10000000 -to 100000000 -resolution 10000000 -digits 3
+    .s set 49300000
+    .s get
+} -result {50000000}
+test scale-6.18 {ComputeFormat procedure} -body {
+    .s configure -length 200 -from 0 -to 10 -resolution 0 -digits 0
+    .s set .111111111
+    .s get
+} -result {0.11}
+test scale-6.19 {ComputeFormat procedure} -body {
+    .s configure -length 200 -from 1000 -to 1002 -resolution 0 -digits 0
+    .s set 1001.23456789
+    .s get
+} -result {1001.23}
+test scale-6.20 {ComputeFormat procedure} -body {
+    .s configure -length 200 -from 1000 -to 1001.8 -resolution 0 -digits 0
+    .s set 1001.23456789
+    .s get
+} -result {1001.235}
+test scale-6.21 {ComputeFormat procedure} -body {
+    .s configure -length 200 -from 1000 -to 1001.8 -resolution 0 -digits 200
+    .s set 1001.23456789
+    .s get
+} -result {1001.235}
+destroy .s
+
+
+test scale-7.1 {ComputeScaleGeometry procedure} -constraints {
+    nonPortable fonts
+} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 10 -label "Short" -orient vertical -length 5i
+    pack .s
+    update
+    list [winfo reqwidth .s] [winfo reqheight .s]
+} -cleanup {
+    deleteWindows
+} -result {88 458}
+test scale-7.2 {ComputeScaleGeometry procedure} -constraints {
+    fonts
+} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 1000 -label "Long string" -orient vertical -tick 200
+    pack .s
+    update
+    list [winfo reqwidth .s] [winfo reqheight .s]
+} -cleanup {
+    deleteWindows
+} -result {168 108}
+test scale-7.3 {ComputeScaleGeometry procedure} -constraints {
+    fonts
+} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 1000 -orient vertical -showvalue 0 -width 10 \
+        -sliderlength 10
+    pack .s
+    update
+    list [winfo reqwidth .s] [winfo reqheight .s]
+} -cleanup {
+    deleteWindows
+} -result {22 108}
+test scale-7.4 {ComputeScaleGeometry procedure} -constraints {
+    fonts
+} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 1000 -orient vertical -showvalue 0 -bd 5 \
+        -relief sunken
+    pack .s
+    update
+    list [winfo reqwidth .s] [winfo reqheight .s]
+} -cleanup {
+    deleteWindows
+} -result {39 114}
+test scale-7.5 {ComputeScaleGeometry procedure} -constraints {
+    nonPortable fonts
+} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 10 -label "Short" -orient horizontal -length 5i
+    pack .s
+    update
+    list [winfo reqwidth .s] [winfo reqheight .s]
+} -cleanup {
+    deleteWindows
+} -result {458 61}
+test scale-7.6 {ComputeScaleGeometry procedure} -constraints {
+    fonts
+} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 1000 -label "Long string" -orient horizontal \
+        -tick 500
+    pack .s
+    update
+    list [winfo reqwidth .s] [winfo reqheight .s]
+} -cleanup {
+    deleteWindows
+} -result {108 79}
+test scale-7.7 {ComputeScaleGeometry procedure} -constraints {
+    fonts
+} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 1000 -orient horizontal -showvalue 0
+    pack .s
+    update
+    list [winfo reqwidth .s] [winfo reqheight .s]
+} -cleanup {
+    deleteWindows
+} -result {108 27}
+test scale-7.8 {ComputeScaleGeometry procedure} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 1000 -orient horizontal -showvalue 0 -bd 5 \
+        -relief raised -highlightthickness 2
+    pack .s
+    update
+    list [winfo reqwidth .s] [winfo reqheight .s]
+} -cleanup {
+    deleteWindows
+} -result {114 39}
+
+
+test scale-8.1 {ScaleElement procedure} -constraints {
+    fonts
+} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 100 -orient vertical -bd 1 -tick 20 -length 300
+    pack .s
+    .s set 30
+    update
+    list [.s identify 53 52] [.s identify 54 52] [.s identify 70 52] \
+        [.s identify 71 52]
+} -cleanup {
+    deleteWindows
+} -result {{} trough1 trough1 {}}
+test scale-8.2 {ScaleElement procedure} -constraints {
+    fonts
+} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 100 -orient vertical -bd 1 -tick 20 -length 300
+    pack .s
+    .s set 30
+    update
+    list [.s identify 60 2] [.s identify 60 3] [.s identify 60 302] \
+        [.s identify 60 303]
+} -cleanup {
+    deleteWindows
+} -result {{} trough1 trough2 {}}
+test scale-8.3 {ScaleElement procedure} -constraints {
+    fonts
+} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 100 -orient vertical -bd 1 -tick 20 -length 300
+    pack .s
+    .s set 30
+    update
+    list [.s identify 60 83] [.s identify 60 84] [.s identify 60 113] \
+        [.s identify 60 114] \
+} -cleanup {
+    deleteWindows
+} -result {trough1 slider slider trough2}
+test scale-8.4 {ScaleElement procedure} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 100 -orient vertical -bd 4 -width 10 \
+        -highlightthickness 1 -length 300 -showvalue 0
+    pack .s
+    .s set 30
+    update
+    list [.s identify 4 40] [.s identify 5 40] [.s identify 22 40] \
+        [.s identify 23 40] \
+} -cleanup {
+    deleteWindows
+} -result {{} trough1 trough1 {}}
+test scale-8.5 {ScaleElement procedure} -constraints {
+    fonts
+} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 100 -orient horizontal -bd 1 \
+        -highlightthickness 2 -tick 20 -sliderlength 20 \
+        -length 200 -label Test
+    pack .s
+    .s set 30
+    update
+    list [.s identify 150 36] [.s identify 150 37] [.s identify 150 53] \
+        [.s identify 150 54]
+} -cleanup {
+    deleteWindows
+} -result {{} trough2 trough2 {}}
+test scale-8.6 {ScaleElement procedure} -constraints {
+    fonts
+} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 100 -orient horizontal -bd 2 \
+        -highlightthickness 1 -tick 20 -length 200
+    pack .s
+    .s set 30
+    update
+    list [.s identify 150 20] [.s identify 150 21] [.s identify 150 39] \
+        [.s identify 150 40]
+} -cleanup {
+    deleteWindows
+} -result {{} trough2 trough2 {}}
+test scale-8.7 {ScaleElement procedure} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 100 -orient horizontal -bd 4 -highlightthickness 2 \
+        -length 200 -width 10 -showvalue 0
+    pack .s
+    .s set 30
+    update
+    list [.s identify 30 5] [.s identify 30 6] [.s identify 30 23] \
+        [.s identify 30 24]
+} -cleanup {
+    deleteWindows
+} -result {{} trough1 trough1 {}}
+test scale-8.8 {ScaleElement procedure} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 100 -orient horizontal -bd 1 -highlightthickness 2 \
+        -tick 20 -sliderlength 20 -length 200 -label Test -showvalue 0
+    pack .s
+    .s set 30
+    update
+    list [.s identify 2 28] [.s identify 3 28] [.s identify 202 28] \
+        [.s identify 203 28]
+} -cleanup {
+    deleteWindows
+} -result {{} trough1 trough2 {}}
+test scale-8.9 {ScaleElement procedure} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 100 -orient horizontal -bd 1 -highlightthickness 2 \
+        -tick 20 -sliderlength 20 -length 200 -label Test -showvalue 0
+    pack .s
+    .s set 80
+    update
+    list [.s identify 145 28] [.s identify 146 28] [.s identify 165 28] \
+        [.s identify 166 28]
+} -cleanup {
+    deleteWindows
+} -result {trough1 slider slider trough2}
+
+
+#widget used in 9.* tests
+destroy .s
+pack [scale .s]
+test scale-9.1 {PixelToValue procedure} -body {
+    .s configure -from 0 -to 100 -sliderlength 10 -length 114 -bd 2
+    update
+    .s get 46 0
+} -result 0
+test scale-9.2 {PixelToValue procedure} -body {
+    .s configure -from 0 -to 100 -sliderlength 10 -length 114 -bd 2
+    update
+    .s get -10 9
+} -result 0
+test scale-9.3 {PixelToValue procedure} -body {
+    .s configure -from 0 -to 100 -sliderlength 10 -length 114 -bd 2
+    update
+    .s get -10 12
+} -result 1
+test scale-9.4 {PixelToValue procedure} -body {
+    .s configure -from 0 -to 100 -sliderlength 10 -length 114 -bd 2
+    update
+    .s get -10 46
+} -result 35
+test scale-9.5 {PixelToValue procedure} -body {
+    .s configure -from 0 -to 100 -sliderlength 10 -length 114 -bd 2
+    update
+    .s get -10 110
+} -result 99
+test scale-9.6 {PixelToValue procedure} -body {
+    .s configure -from 0 -to 100 -sliderlength 10 -length 114 -bd 2
+    update
+    .s get -10 111
+} -result 100
+test scale-9.7 {PixelToValue procedure} -body {
+    .s configure -from 0 -to 100 -sliderlength 10 -length 114 -bd 2
+    update
+    .s get -10 112
+} -result 100
+test scale-9.8 {PixelToValue procedure} -body {
+    .s configure -from 0 -to 100 -sliderlength 10 -length 114 -bd 2
+    update
+    .s get -10 154
+} -result 100
+test scale-9.9 {PixelToValue procedure} -body {
+    .s configure -from 0 -to 100 -sliderlength 10 -length 114 -bd 2 \
+        -orient horizontal
+    update
+    .s get 76 152
+} -result 65
+destroy .s
+
+
+test scale-10.1 {ValueToPixel procedure} -constraints {
+    fonts
+} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 0 -to 100 -sliderlength 20 -length 124 -bd 2 \
+        -orient horizontal -label Test -tick 20
+    pack .s
+    update
+    list [.s coords -10] [.s coords 40] [.s coords 1000]
+} -cleanup {
+    deleteWindows
+} -result {{16 47} {56 47} {116 47}}
+test scale-10.2 {ValueToPixel procedure} -constraints {
+    fonts
+} -setup {
+    deleteWindows
+} -body {
+    scale .s -from 100 -to 0 -sliderlength 20 -length 122 -bd 1 \
+        -orient vertical -label Test -tick 20
+    pack .s
+    update
+    list [.s coords -10] [.s coords 40] [.s coords 1000]
+} -cleanup {
+    deleteWindows
+} -result {{62 114} {62 74} {62 14}}
+
+
+test scale-11.1 {ScaleEventProc procedure} -setup {
+    deleteWindows
+} -body {
+    proc killScale value {
+        global x
+        if {$value > 30} {
+            destroy .s1
+            lappend x [winfo exists .s1] [info commands .s1]
+        }
+    }
+    set x initial
+    scale .s1 -from 0 -to 100 -command killScale
+    .s1 set 20
+    pack .s1
+    update idletasks
+    lappend x [winfo exists .s1]
+    .s1 set 40
+    update idletasks
+    return $x
+} -cleanup {
+    rename killScale {}
+    deleteWindows
+} -result {initial 1 0 {}}
+test scale-11.2 {ScaleEventProc procedure} -setup {
+    deleteWindows
+    set x {}
+} -body {
+    scale .s1 -bg #543210
+    rename .s1 .s2
+    lappend x [winfo children .]
+    lappend x [.s2 cget -bg]
+    destroy .s1
+    lappend x [info command .s*] [winfo children .]
+} -cleanup {
+    deleteWindows
+} -result {.s1 #543210 {} {}}
+
+test scale-12.1 {ScaleCmdDeletedProc procedure} -setup {
+    deleteWindows
+} -body {
+    scale .s1
+    rename .s1 {}
+    list [info command .s*] [winfo children .]
+} -cleanup {
+    deleteWindows
+} -result {{} {}}
+
+
+# Widget used in 13.* tests
+destroy .s
+pack [scale .s]
+update
+test scale-13.1 {SetScaleValue procedure} -body {
+    .s configure -from 0 -to 100 -command {set x} -variable y
+    update
+    set x xyzzy
+    .s set 44
+    set result [list $x $y]
+    update
+    lappend result $x $y
+} -result {xyzzy 44 44 44}
+test scale-13.2 {SetScaleValue procedure} -body {
+    .s set -3
+    .s get
+} -result 0
+test scale-13.3 {SetScaleValue procedure} -body {
+    .s set 105
+    .s get
+} -result 100
+.s configure -from 100 -to 0
+test scale-13.4 {SetScaleValue procedure} -body {
+    .s set -3
+    .s get
+} -result 0
+test scale-13.5 {SetScaleValue procedure} -body {
+    .s set 105
+    .s get
+} -result 100
+test scale-13.6 {SetScaleValue procedure} -body {
+    proc varTrace args {
+        global traceInfo
+        set traceInfo $args
+    }
+    .s configure -from 0 -to 100 -command {set x} -variable y
+    update
+
+    .s set 50
+    update
+    trace variable y w varTrace
+    set traceInfo empty
+    set x untouched
+    .s set 50
+    update
+    list $x $traceInfo
+} -result {untouched empty}
+
+
+# Widget used in 14.* tests
+destroy .s
+pack [scale .s]
+update
+test scale-14.1 {RoundValueToResolution procedure} -body {
+    .s configure -from 0 -to 100 -sliderlength 10 -length 114 -bd 2 \
+        -orient horizontal -resolution 4.0
+    update
+    .s get 84 152
+} -result 72
+test scale-14.2 {RoundValueToResolution procedure} -body {
+    .s configure -from 0 -to 100 -sliderlength 10 -length 114 -bd 2 \
+        -orient horizontal -resolution 4.0
+    update
+    .s get 86 152
+} -result 76
+
+test scale-14.3 {RoundValueToResolution procedure} -body {
+    .s configure -from 100 -to 0 -sliderlength 10 -length 114 -bd 2 \
+        -orient horizontal -resolution 4.0
+    update
+    .s get 84 152
+} -result 28
+test scale-14.4 {RoundValueToResolution procedure} -body {
+    .s configure -from 100 -to 0 -sliderlength 10 -length 114 -bd 2 \
+        -orient horizontal -resolution 4.0
+    update
+    .s get 86 152
+} -result 24
+
+test scale-14.5 {RoundValueToResolution procedure} -body {
+    .s configure -from -100 -to 0 -sliderlength 10 -length 114 -bd 2 \
+        -orient horizontal -resolution 4.0
+    update
+    .s get 84 152
+} -result {-28}
+test scale-14.6 {RoundValueToResolution procedure} -body {
+    .s configure -from -100 -to 0 -sliderlength 10 -length 114 -bd 2 \
+        -orient horizontal -resolution 4.0
+    update
+    .s get 86 152
+} -result {-24}
+
+test scale-14.7 {RoundValueToResolution procedure} -body {
+    .s configure -from 0 -to -100 -sliderlength 10 -length 114 -bd 2 \
+        -orient horizontal -resolution 4.0
+    update
+    .s get 84 152
+} -result {-72}
+test scale-14.8 {RoundValueToResolution procedure} -body {
+    .s configure -from 0 -to -100 -sliderlength 10 -length 114 -bd 2 \
+        -orient horizontal -resolution 4.0
+    update
+    .s get 86 152
+} -result {-76}
+
+test scale-14.9 {RoundValueToResolution procedure} -body {
+    .s configure -from 0 -to 2.25  -sliderlength 10 -length 114 -bd 2 \
+        -orient horizontal -resolution 0
+    update
+    .s get 84 152
+} -result {1.64}
+test scale-14.10 {RoundValueToResolution procedure} -body {
+    .s configure -from 0 -to 2.25  -sliderlength 10 -length 114 -bd 2 \
+        -orient horizontal -resolution 0
+    update
+    .s get 86 152
+} -result {1.69}
+
+test scale-14.11 {RoundValueToResolution procedure} -body {
+    .s configure -from 0 -to 225 -sliderlength 10 -length 114 -bd 2 \
+        -orient horizontal -resolution 0 -digits 5
+    update
+    .s get 84 152
+} -result {164.25}
+test scale-14.12 {RoundValueToResolution procedure} -body {
+    .s configure -from 0 -to 225 -sliderlength 10 -length 114 -bd 2 \
+        -orient horizontal -resolution 0 -digits 5
+    update
+    .s get 86 152
+} -result {168.75}
+destroy .s
+
+test scale-14.13 {RoundValueToResolution procedure, round-off errors} -setup {
+    # see [220665ffff], and duplicates [220265ffff] and [779559ffff]
+    set x NotSet
+    pack [scale .s -orient horizontal -resolution .1 -from -180 -to 180 -command "set x"]
+    update
+} -body {
+    .s configure -background red
+    update
+    set x
+} -cleanup {
+    destroy .s
+} -result {NotSet}
+
+test scale-14a.1 {RoundValueToResolution, RoundIntervalToResolution procedures} -setup {
+    pack [scale .s -orient horizontal]
+    update
+} -body {
+    .s configure -length 400 -bd 0 -from 1 -to 9 -resolution 2 -tickinterval 1
+    update
+    .s get 200 0
+} -cleanup {
+    destroy .s
+} -result {5}
+test scale-14a.2 {RoundValueToResolution, RoundIntervalToResolution procedures} -setup {
+    pack [scale .s -orient horizontal]
+    update
+} -body {
+    .s configure -length 400 -bd 0 -from -1.5 -to 1.5 -resolution 1 \
+            -tickinterval 1 -digits 2
+    update
+    .s get 250 0
+} -cleanup {
+    destroy .s
+} -result {0.5}
+
+
+test scale-15.1 {ScaleVarProc procedure} -setup {
+    deleteWindows
+} -body {
+    set y -130
+    scale .s -from 0 -to -200 -variable y -orient horizontal -length 150
+    pack .s
+    return $y
+} -result {-130}
+test scale-15.2 {ScaleVarProc procedure} -setup {
+    deleteWindows
+} -body {
+    set y -130
+    scale .s -from -200 -to 0 -variable y -orient horizontal -length 150
+    pack .s
+    set y -87
+    .s get
+} -result {-87}
+test scale-15.3 {ScaleVarProc procedure} -setup {
+    deleteWindows
+} -body {
+    set y -130
+    scale .s -from -200 -to 0 -variable y -orient horizontal -length 150
+    pack .s
+    set y 40q
+} -cleanup {
+    deleteWindows
+} -returnCodes error -result {can't set "y": can't assign non-numeric value to scale variable}
+test scale-15.4 {ScaleVarProc procedure} -setup {
+    deleteWindows
+} -body {
+    set y -130
+    scale .s -from -200 -to 0 -variable y -orient horizontal -length 150
+    pack .s
+    catch {set y 40q}
+    .s get
+} -cleanup {
+    deleteWindows
+} -result {-130}
+test scale-15.5 {ScaleVarProc procedure} -setup {
+    deleteWindows
+} -body {
+    set y 1
+    scale .s -from 1 -to 0 -variable y -orient horizontal -length 150
+    pack .s
+    set y x
+} -cleanup {
+    deleteWindows
+} -returnCodes error -result {can't set "y": can't assign non-numeric value to scale variable}
+test scale-15.6 {ScaleVarProc procedure} -setup {
+    deleteWindows
+} -body {
+    set y 1
+    scale .s -from 1 -to 0 -variable y -orient horizontal -length 150
+    pack .s
+    catch {set y x}
+    .s get
+} -cleanup {
+    deleteWindows
+} -result 1
+test scale-15.7 {ScaleVarProc procedure, variable deleted} -setup {
+    deleteWindows
+} -body {
+    set y 6
+    scale .s -from 10 -to 0 -variable y -orient horizontal -length 150 \
+        -command "set x"
+    pack .s
+    update
+    set x untouched
+    unset y
+    update
+    list [catch {set y} msg] $msg [.s get] $x
+} -cleanup {
+    deleteWindows
+} -result {0 6 6 untouched}
+test scale-15.8 {ScaleVarProc procedure, don't call -command} -setup {
+    deleteWindows
+} -body {
+    set y 6
+    scale .s -from 0 -to 100 -variable y -orient horizontal -length 150 \
+        -command "set x"
+    pack .s
+    update
+    set x untouched
+    set y 60
+    update
+    list $x [.s get]
+} -cleanup {
+    deleteWindows
+} -result {untouched 60}
+
+
+test scale-16.1 {scale widget vs hidden commands} -body {
+    set l [interp hidden]
+    deleteWindows
+    scale .s
+    interp hide {} .s
+    destroy .s
+    set res1 [list [winfo children .] [interp hidden]]
+    set res2 [list {} $l]
+    expr {$res1 eq $res2}
+} -cleanup {
+    deleteWindows
+} -result 1
+
+
+test scale-17.1 {bug fix 1786} -setup {
+    deleteWindows
+} -body {
+    # Perhaps x is set to {}, depending on what other tests have run.
+    # If x is unset, or set to something not convertable to a double,
+    # then the scale try to initialize its value with the contents
+    # of uninitialized memory.  Sometimes that causes an FPE.
+
+    set x {}
+    scale .s -from 100 -to 300
+    pack .s
+    update
+    .s configure -variable x   ;# CRASH! -> Floating point exception
+
+    # Bug 4833 changed the result to realize that x should pick up
+    # a value from the scale.  In an FPE occurs, it is due to the
+    # lack of errno being set to 0 by some libc's. (see bug 4942)
+    return $x
+} -cleanup {
+    deleteWindows
+} -result {100}
+
+
+test scale-18.1 {DestroyScale, -cursor option [Bug: 3897]} -setup {
+    deleteWindows
+} -body {
+    scale .s -cursor trek
+    destroy .s
+} -result {}
+
+test scale-18.2 {Scale button 1 events [Bug 787065]} -setup {
+    destroy .s
+    set ::error {}
+    proc bgerror {args} {set ::error $args}
+} -body {
+    set y 5
+    scale .s -from 0 -to 10 -variable y -orient horizontal -length 150
+    pack .s
+    tkwait visibility .s
+    list [catch {
+        event generate .s <1> -x 0 -y 0
+        event generate .s <ButtonRelease-1> -x 0 -y 0
+        update
+        set ::error
+    } msg] $msg
+} -cleanup {
+    unset ::error
+    rename bgerror {}
+    destroy .s
+} -result {0 {}}
+
+test scale-18.3 {Scale button 2 events [Bug 787065]} -setup {
+    destroy .s
+    set ::error {}
+    proc bgerror {args} {set ::error $args}
+} -body {
+    set y 5
+    scale .s -from 0 -to 10 -variable y -orient horizontal -length 150
+    pack .s
+    tkwait visibility .s
+    list [catch {
+        event generate .s <2> -x 0 -y 0
+        event generate .s <ButtonRelease-2> -x 0 -y 0
+        update
+        set ::error
+    } msg] $msg
+} -cleanup {
+    unset ::error
+    rename bgerror {}
+    destroy .s
+} -result {0 {}}
+
+
+test scale-19 {Bug [3529885fff] - Click in through goes in wrong direction} \
+    -setup {
+        catch {destroy .s}
+        catch {destroy .s1 .s2 .s3 .s4}
+        unset -nocomplain x1 x2 x3 x4 x y
+        scale .s1 -from 0 -to 100 -resolution 1  -variable x1 -digits 4 -orient horizontal -length 100
+        scale .s2 -from 0 -to 100 -resolution -1 -variable x2 -digits 4 -orient horizontal -length 100
+        scale .s3 -from 100 -to 0 -resolution 1  -variable x3 -digits 4 -orient horizontal -length 100
+        scale .s4 -from 100 -to 0 -resolution -1 -variable x4 -digits 4 -orient horizontal -length 100
+        pack .s1 .s2 .s3 .s4 -side left
+        update
+    } \
+    -body {
+        foreach {x y} [.s1 coord 50] {}
+        event generate .s1 <1> -x $x -y $y
+        event generate .s1 <ButtonRelease-1> -x $x -y $y
+        foreach {x y} [.s2 coord 50] {}
+        event generate .s2 <1> -x $x -y $y
+        event generate .s2 <ButtonRelease-1> -x $x -y $y
+        foreach {x y} [.s3 coord 50] {}
+        event generate .s3 <1> -x $x -y $y
+        event generate .s3 <ButtonRelease-1> -x $x -y $y
+        foreach {x y} [.s4 coord 50] {}
+        event generate .s4 <1> -x $x -y $y
+        event generate .s4 <ButtonRelease-1> -x $x -y $y
+        update
+        list $x1 $x2 $x3 $x4
+    } \
+    -cleanup {
+        unset x1 x2 x3 x4 x y
+        destroy .s1 .s2 .s3 .s4
+    } \
+    -result {1.0 1.0 1.0 1.0}
+
+test scale-20.1 {Bug [2262543fff] - Scale widget unexpectedly fires command callback, case 1} -setup {
+    catch {destroy .s}
+    set res {}
+    set commandedVar -1
+} -body {
+    scale .s -from 1 -to 50 -command {set commandedVar}
+    pack .s
+    update  ; # -command callback shall NOT fire
+    set res [list [.s get] $commandedVar]
+} -cleanup {
+    destroy .s
+} -result {1 -1}
+test scale-20.2 {Bug [2262543fff] - Scale widget unexpectedly fires command callback, case 2} -setup {
+    catch {destroy .s}
+    set res {}
+    set commandedVar -1
+    set scaleVar 7
+} -body {
+    scale .s -from 1 -to 50 -variable scaleVar -command {set commandedVar}
+    pack .s
+    update  ; # -command callback shall NOT fire
+    set res [list [.s get] $commandedVar]
+} -cleanup {
+    destroy .s
+} -result {7 -1}
+test scale-20.3 {Bug [2262543fff] - Scale widget unexpectedly fires command callback, case 3} -setup {
+    catch {destroy .s}
+    set res {}
+    set commandedVar -1
+} -body {
+    scale .s -from 1 -to 50
+    .s set 10
+    .s configure -command {set commandedVar}
+    pack .s
+    update  ; # -command callback shall NOT fire
+    set res [list [.s get] $commandedVar]
+} -cleanup {
+    destroy .s
+} -result {10 -1}
+test scale-20.4 {Bug [2262543fff] - Scale widget unexpectedly fires command callback, case 4} -setup {
+    catch {destroy .s}
+    set res {}
+} -body {
+    scale .s -from 1 -to 50 -command {set commandedVar}
+    pack .s
+    update idletasks
+    .s set 10
+    set timeout [after 500 {set $commandedVar "timeout"}]
+    set commandedVar -1
+    vwait commandedVar  ; # -command callback shall fire
+    set res [list [.s get] $commandedVar]
+} -cleanup {
+    after cancel $timeout
+    destroy .s
+} -result {10 10}
+test scale-20.5 {Bug [2262543fff] - Scale widget unexpectedly fires command callback, case 5} -setup {
+    catch {destroy .s}
+    set res {}
+    set commandedVar -1
+} -body {
+    scale .s -from 1 -to 50
+    pack .s
+    update idletasks
+    .s set 10
+    .s configure -command {set commandedVar}
+    update  ; # -command callback shall NOT fire
+    set res [list [.s get] $commandedVar]
+} -cleanup {
+    destroy .s
+} -result {10 -1}
+test scale-20.6 {Bug [2262543fff] - Scale widget unexpectedly fires command callback, case 6} -setup {
+    catch {destroy .s}
+    set res {}
+    set commandedVar -1
+} -body {
+    scale .s -from 1 -to 50
+    pack .s
+    update idletasks
+    .s configure -command {set commandedVar}
+    .s set 10
+    set timeout [after 500 {set $commandedVar "timeout"}]
+    vwait commandedVar  ; # -command callback shall fire
+    set res [list [.s get] $commandedVar]
+} -cleanup {
+    destroy .s
+    after cancel $timeout
+} -result {10 10}
+test scale-20.7 {Bug [2262543fff] - Scale widget unexpectedly fires command callback, case 7} -setup {
+    catch {destroy .s}
+    set res {}
+    set commandedVar -1
+} -body {
+    scale .s -from 1 -to 50 -command {set commandedVar}
+    pack .s
+    update idletasks
+    .s set 10
+    set timeout [after 500 {set $commandedVar "timeout"}]
+    vwait commandedVar  ; # -command callback shall fire
+    set res [list [.s get] $commandedVar]
+} -cleanup {
+    destroy .s
+    after cancel $timeout
+} -result {10 10}
+test scale-20.8 {Bug [2262543fff] - Scale widget unexpectedly fires command callback, case 8} -setup {
+    catch {destroy .s}
+    set res {}
+    set commandedVar -1
+    set scaleVar 7
+} -body {
+    scale .s -from 1 -to 50 -variable scaleVar -command {set commandedVar}
+    pack .s
+    update idletasks
+    .s set 10
+    set timeout [after 500 {set $commandedVar "timeout"}]
+    vwait commandedVar  ; # -command callback shall fire
+    set res [list [.s get] $commandedVar]
+} -cleanup {
+    destroy .s
+    after cancel $timeout
+} -result {10 10}
+
+test scale-21.1 {Bug [55b95f578a] - Associating variable with bignum value with scale crashes it} -setup {
+    catch {destroy .s}
+} -body {
+    pack [scale .s]
+    set foo 5.79e99
+    # non-regression test for bug [55b95f578a] - shall just not crash
+    .s configure -variable foo
+} -cleanup {
+    destroy .s
+} -result {}
+test scale-21.2 {Bug [55b95f578a] again - Bignum value for -from/-to with scale crashes it} -setup {
+    catch {destroy .s}
+} -body {
+    pack [scale .s]
+    # non-regression test for bug [55b95f578a] - shall just not crash
+    .s configure -from -6.8e99 -to 8.8e99
+} -cleanup {
+    destroy .s
+} -result {}
+
+test scale-22.1 {Bug [5d991b822e]} {
+    # Want this not to crash
+    set var INIT
+    scale .b -variable var
+    trace add variable var unset {apply {args {
+        .b configure -variable {}
+    }}}
+    pack .b
+    bind .b <Configure> {unset var}
+    update
+    destroy .b
+} {}
+test scale-22.2 {Bug [5d991b822e]} {
+    # Want this not to leak traces
+    set var INIT
+    scale .b -variable var
+    trace add variable var unset {apply {args {
+        .b configure -variable new
+    }}}
+    pack .b
+    bind .b <Configure> {unset -nocomplain var}
+    update
+    destroy .b
+    unset new
+} {}
+
+option clear
+
+# cleanup
+cleanupTests
+return