path: root/tests/visual.test

# This file is a Tcl script to test the visual- and colormap-handling
# procedures in the file tkVisual.c.  It is organized in the standard
# fashion for Tcl tests.
#
# Copyright © 1994 The Regents of the University of California.
# Copyright © 1994-1995 Sun Microsystems, Inc.
# Copyright © 1998-1999 by Scriptics Corporation.
# All rights reserved.

package require tcltest 2.2
namespace import ::tcltest::*
tcltest::configure {*}$argv
tcltest::loadTestedCommands

update

# eatColors --
# Creates a toplevel window and allocates enough colors in it to
# use up all the slots in the colormap.
#
# Arguments:
# w -        Name of toplevel window to create.

proc eatColors {w} {
    catch {destroy $w}
    toplevel $w
    wm geom $w +0+0
    canvas $w.c -width 400 -height 200 -bd 0
    pack $w.c
    for {set y 0} {$y < 8} {incr y} {
        for {set x 0} {$x < 40} {incr x} {
            set color [format #%02x%02x%02x [expr {$x*6}] [expr {$y*30}] 0]
            $w.c create rectangle [expr {10*$x}] [expr {20*$y}] \
                [expr {10*$x + 10}] [expr {20*$y + 20}] -outline {} \
                -fill $color
        }
    }
    update
}

# colorsFree --
#
# Returns 1 if there appear to be free colormap entries in a window,
# 0 otherwise.
#
# Arguments:
# w -            Name of window in which to check.
# red, green, blue -    Intensities to use in a trial color allocation
#            to see if there are colormap entries free.

proc colorsFree {w {red 31} {green 245} {blue 192}} {
    set vals [winfo rgb $w [format #%02x%02x%02x $red $green $blue]]
    expr {([lindex $vals 0]/256 == $red) && ([lindex $vals 1]/256 == $green)
        && ([lindex $vals 2]/256 == $blue)}
}

# If more than one visual type is available for the screen, pick one
# that is *not* the default.

set default "[winfo visual .] [winfo depth .]"
set avail [winfo visualsavailable .]
set other {}
if {[llength $avail] > 1} {
    foreach visual $avail {
        if {$visual != $default} {
            set other $visual
            break
        }
    }
}
testConstraint haveOtherVisual [expr {$other ne ""}]
testConstraint havePseudocolorVisual [string match *pseudocolor* $avail]
testConstraint haveMultipleVisuals [expr {[llength $avail] > 1}]

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

test visual-1.1 {Tk_GetVisual, copying from other window} -body {
    toplevel .t -visual .foo.bar
} -returnCodes error -result {bad window path name ".foo.bar"}
test visual-1.2 {Tk_GetVisual, copying from other window} -constraints {
    haveOtherVisual nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual $other
    wm geom .t1 +0+0
    toplevel .t2 -width 200 -height 80 -visual .t1
    wm geom .t2 +5+5
    concat "[winfo visual .t2] [winfo depth .t2]"
} -cleanup {
    deleteWindows
} -result $other
test visual-1.3 {Tk_GetVisual, copying from other window} -constraints {
    haveOtherVisual
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual $other
    wm geom .t1 +0+0
    toplevel .t2 -width 200 -height 80 -visual .
    wm geom .t2 +5+5
    concat "[winfo visual .t2] [winfo depth .t2]"
} -cleanup {
    deleteWindows
} -result $default
# Make sure reference count is incremented when copying visual (the
# following test will cause the colormap to be freed prematurely if
# the reference count isn't incremented).
test visual-1.4 {Tk_GetVisual, colormap reference count} -constraints {
    haveOtherVisual
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual $other
    wm geom .t1 +0+0
    set result [toplevel .t2 -gorp 80 -visual .t1]
    update
    return $result
} -cleanup {
    deleteWindows
} -returnCodes error -result {unknown option "-gorp"}
test visual-1.5 {Tk_GetVisual, default colormap} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual default
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result $default


test visual-2.1 {Tk_GetVisual, different visual types} -constraints {
    nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual {truecolor 24}
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result {truecolor 24}
test visual-2.2 {Tk_GetVisual, different visual types} -constraints {
    nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual {truecolor 24}
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result {truecolor 24}
test visual-2.3 {Tk_GetVisual, different visual types} -constraints {
    nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual {truecolor 24}
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result {truecolor 24}
test visual-2.4 {Tk_GetVisual, different visual types} -constraints {
    nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual {truecolor 24}
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result {truecolor 24}
test visual-2.5 {Tk_GetVisual, different visual types} -constraints {
    nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual {truecolor 24}
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result {truecolor 24}
test visual-2.6 {Tk_GetVisual, different visual types} -constraints {
    nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual {truecolor 24}
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result {truecolor 24}
test visual-2.7 {Tk_GetVisual, different visual types} -constraints {
    nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual {truecolor 24}
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result {truecolor 24}
test visual-2.8 {Tk_GetVisual, different visual types} -constraints {
    nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual {truecolor 24}
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result {truecolor 24}
test visual-2.9 {Tk_GetVisual, different visual types} -constraints {
    nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual {directcolor 24}
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result {directcolor 24}
test visual-2.10 {Tk_GetVisual, different visual types} -constraints {
    nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual {directcolor 24}
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result {directcolor 24}
test visual-2.11 {Tk_GetVisual, different visual types} -constraints {
    nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual {directcolor 24}
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result {directcolor 24}
test visual-2.12 {Tk_GetVisual, different visual types} -constraints {
    nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual {directcolor 24}
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result {directcolor 24}
test visual-2.13 {Tk_GetVisual, different visual types} -constraints {
    nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual {directcolor 24}
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result {directcolor 24}
test visual-2.14 {Tk_GetVisual, different visual types} -constraints {
    nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual {directcolor 24}
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result {directcolor 24}
test visual-2.15 {Tk_GetVisual, different visual types} -constraints {
    nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual {directcolor 24}
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result {directcolor 24}
test visual-2.16 {Tk_GetVisual, different visual types} -constraints {
    nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual {directcolor 24}
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result {directcolor 24}
test visual-2.17 {Tk_GetVisual, different visual types} -constraints {
    nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual {truecolor 32}
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result {truecolor 32}


test visual-3.1 {Tk_GetVisual, parsing visual string} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 \
        -visual "[winfo visual .][winfo depth .]"
    wm geometry .t1 +0+0
    update
    concat "[winfo visual .t1] [winfo depth .t1]"
} -cleanup {
    deleteWindows
} -result $default
test visual-3.2 {Tk_GetVisual, parsing visual string} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual goop20
    wm geometry .t1 +0+0
} -cleanup {
    deleteWindows
} -returnCodes error -result {unknown or ambiguous visual name "goop20": class must be best, directcolor, grayscale, greyscale, pseudocolor, staticcolor, staticgray, staticgrey, truecolor, or default}
test visual-3.3 {Tk_GetVisual, parsing visual string} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual d
    wm geometry .t1 +0+0
} -cleanup {
    deleteWindows
} -returnCodes error -result {unknown or ambiguous visual name "d": class must be best, directcolor, grayscale, greyscale, pseudocolor, staticcolor, staticgray, staticgrey, truecolor, or default}
test visual-3.4 {Tk_GetVisual, parsing visual string} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual static
    wm geometry .t1 +0+0
} -cleanup {
    deleteWindows
} -returnCodes error -result {unknown or ambiguous visual name "static": class must be best, directcolor, grayscale, greyscale, pseudocolor, staticcolor, staticgray, staticgrey, truecolor, or default}
test visual-3.5 {Tk_GetVisual, parsing visual string} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual "pseudocolor 48x"
    wm geometry .t1 +0+0
} -cleanup {
    deleteWindows
} -returnCodes error -result {expected integer but got "48x"}


test visual-4.1 {Tk_GetVisual, numerical visual id}  -constraints {
    haveOtherVisual nonPortable
} -setup {
    deleteWindows
    toplevel .t1 -width 250 -height 100 -visual $other
    wm geom .t1 +0+0
    toplevel .t2 -width 200 -height 80 -visual [winfo visual .]
    wm geom .t2 +5+5
    toplevel .t3 -width 150 -height 250 -visual [winfo visual .t1]
    wm geom .t3 +10+10
} -body {
    set v1 [list [winfo visualid .t2] [winfo visualid .t3]]
    set v2 [list [winfo visualid .] [winfo visualid .t1]]
    expr {$v1 eq $v2 ? "OK" : "[list $v1] ne [list $v2]"}
} -cleanup {
    deleteWindows
} -result OK
test visual-4.2 {Tk_GetVisual, numerical visual id} -setup {
    deleteWindows
} -body {
    toplevel .t1 -visual 12xyz
} -cleanup {
    deleteWindows
} -returnCodes error -result {bad X identifier for visual: "12xyz"}
test visual-4.3 {Tk_GetVisual, numerical visual id} -setup {
    deleteWindows
} -body {
    toplevel .t1 -visual 1291673
} -cleanup {
    deleteWindows
} -returnCodes error -result {couldn't find an appropriate visual}


test visual-5.1 {Tk_GetVisual, no matching visual} -constraints {
    !havePseudocolorVisual
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual "pseudocolor 8"
    wm geometry .t1 +0+0
} -cleanup {
    deleteWindows
} -returnCodes error -result {couldn't find an appropriate visual}


test visual-6.1 {Tk_GetVisual, no matching visual} -constraints {
    havePseudocolorVisual haveMultipleVisuals nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 250 -height 100 -visual "best"
    wm geometry .t1 +0+0
    update
    winfo visual .t1
} -cleanup {
    deleteWindows
} -result {pseudocolor}


# These tests are non-portable due to variations in how many colors
# are already in use on the screen.
test visual-7.1 {Tk_GetColormap, "new"} -constraints {
    defaultPseudocolor8 nonPortable
} -setup {
    deleteWindows
} -body {
    eatColors .t1
    toplevel .t2 -width 30 -height 20
    wm geom .t2 +0+0
    update
    colorsFree .t2
} -cleanup {
    deleteWindows
} -result 0
test visual-7.2 {Tk_GetColormap, "new"} -constraints {
    defaultPseudocolor8 nonPortable
} -setup {
    deleteWindows
} -body {
    eatColors .t1
    toplevel .t2 -width 30 -height 20 -colormap new
    wm geom .t2 +0+0
    update
    colorsFree .t2
} -cleanup {
    deleteWindows
} -result 1
test visual-7.3 {Tk_GetColormap, copy from other window} -constraints {
    defaultPseudocolor8 nonPortable
} -setup {
    deleteWindows
} -body {
    eatColors .t1
    toplevel .t3 -width 400 -height 50 -colormap new
    wm geom .t3 +0+0
    toplevel .t2 -width 30 -height 20 -colormap .t3
    wm geom .t2 +0+0
    update
    destroy .t3
    colorsFree .t2
} -cleanup {
    deleteWindows
} -result 1
test visual-7.4 {Tk_GetColormap, copy from other window} -constraints {
    defaultPseudocolor8 nonPortable
} -setup {
    deleteWindows
} -body {
    eatColors .t1
    toplevel .t3 -width 400 -height 50 -colormap new
    wm geom .t3 +0+0
    toplevel .t2 -width 30 -height 20 -colormap .
    wm geom .t2 +0+0
    update
    destroy .t3
    colorsFree .t2
} -cleanup {
    deleteWindows
} -result 0
test visual-7.5 {Tk_GetColormap, copy from other window} -constraints {
    defaultPseudocolor8 nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 400 -height 50 -colormap .choke.lots
} -cleanup {
    deleteWindows
} -returnCodes error -result {bad window path name ".choke.lots"}
test visual-7.6 {Tk_GetColormap, copy from other window} -constraints {
    defaultPseudocolor8 haveOtherVisual nonPortable
} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 300 -height 150 -visual $other
    wm geometry .t1 +0+0
    toplevel .t2 -width 400 -height 50 -colormap .t1
} -cleanup {
    deleteWindows
} -returnCodes error -result {can't use colormap for .t1: incompatible visuals}


test visual-8.1 {Tk_FreeColormap procedure} -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 300 -height 180 -colormap new
    wm geometry .t1 +0+0
    foreach i {.t2 .t3 .t4} {
        toplevel $i -width 250 -height 150 -colormap .t1
        wm geometry $i +0+0
    }
    destroy .t1
    destroy .t3
    destroy .t4
    update
} -cleanup {
    deleteWindows
} -result {}
test visual-8.2 {Tk_FreeColormap procedure} -constraints haveOtherVisual -setup {
    deleteWindows
} -body {
    toplevel .t1 -width 300 -height 180 -visual $other
    wm geometry .t1 +0+0
    foreach i {.t2 .t3 .t4} {
        toplevel $i -width 250 -height 150 -visual $other
        wm geometry $i +0+0
    }
    destroy .t2
    destroy .t3
    destroy .t4
    update
} -cleanup {
    deleteWindows
} -result {}


deleteWindows
rename eatColors {}
rename colorsFree {}

# cleanup
cleanupTests
return

# Local variables:
# mode: tcl
# End: