tk/tests/canvRect.test

# This file is a Tcl script to test out the procedures in tkRectOval.c,
# which implement canvas "rectangle" and "oval" items.  It is organized
# in the standard fashion for Tcl tests.
#
# Copyright (c) 1994-1996 Sun Microsystems, Inc.
# Copyright (c) 1998-1999 by Scriptics Corporation.
# All rights reserved.
#
# RCS: @(#) $Id: canvRect.test,v 1.6 2003/02/09 07:48:22 hobbs Exp $

package require tcltest 2.1
namespace import -force tcltest::configure
namespace import -force tcltest::testsDirectory
configure -testdir [file join [pwd] [file dirname [info script]]]
configure -loadfile [file join [testsDirectory] constraints.tcl]
tcltest::loadTestedCommands

canvas .c -width 400 -height 300 -bd 2 -relief sunken
pack .c
bind .c <1> {
    puts "button down at (%x,%y)"
}
update

set i 1
.c create rectangle 20 20 80 80 -tag test
foreach test {
    {-fill #ff0000 #ff0000 non-existent {unknown color name "non-existent"}}
    {-outline #123456 #123456 bad_color {unknown color name "bad_color"}}
    {-stipple gray50 gray50 bogus {bitmap "bogus" not defined}}
    {-tags {test a b c} {test a b c} {} {}}
    {-width 6.0 6.0 abc {bad screen distance "abc"}}
} {
    set name [lindex $test 0]
    test canvRect-1.$i {configuration options} {
	.c itemconfigure test $name [lindex $test 1]
	list [lindex [.c itemconfigure test $name] 4] [.c itemcget test $name]
    } [list [lindex $test 2] [lindex $test 2]]
    incr i
    if {[lindex $test 3] != ""} {
	test canvRect-1.$i {configuration options} {
	    list [catch {.c itemconfigure test $name [lindex $test 3]} msg] $msg
	} [list 1 [lindex $test 4]]
    }
    incr i
}
test canvRect-1.$i {configuration options} {
    .c itemconfigure test -tags {test xyz}
    .c itemcget xyz -tags
} {test xyz}

test canvRect-2.1 {CreateRectOval procedure} {
    list [catch {.c create rect} msg] $msg
} {1 {wrong # args: should be ".c create rect coords ?arg arg ...?"}}
test canvRect-2.2 {CreateRectOval procedure} {
    list [catch {.c create oval x y z} msg] $msg
} {1 {wrong # coordinates: expected 0 or 4, got 3}}
test canvRect-2.3 {CreateRectOval procedure} {
    list [catch {.c create rectangle x 2 3 4} msg] $msg
} {1 {bad screen distance "x"}}
test canvRect-2.4 {CreateRectOval procedure} {
    list [catch {.c create rectangle 1 y 3 4} msg] $msg
} {1 {bad screen distance "y"}}
test canvRect-2.5 {CreateRectOval procedure} {
    list [catch {.c create rectangle 1 2 z 4} msg] $msg
} {1 {bad screen distance "z"}}
test canvRect-2.6 {CreateRectOval procedure} {
    list [catch {.c create rectangle 1 2 3 q} msg] $msg
} {1 {bad screen distance "q"}}
test canvRect-2.7 {CreateRectOval procedure} {
    .c create rectangle 1 2 3 4 -tags x
    set result {}
    foreach element [.c coords x] {
	lappend result [format %.1f $element]
    }
    set result
} {1.0 2.0 3.0 4.0}
test canvRect-2.8 {CreateRectOval procedure} {
    list [catch {.c create rectangle 1 2 3 4 -gorp foo} msg] $msg
} {1 {unknown option "-gorp"}}

.c delete withtag all
.c create rectangle 10 20 30 40 -tags x
test canvRect-3.1 {RectOvalCoords procedure} {
    set result {}
    foreach element [.c coords x] {
	lappend result [format %.1f $element]
    }
    set result
} {10.0 20.0 30.0 40.0}
test canvRect-3.2 {RectOvalCoords procedure} {
    list [catch {.c coords x a 2 3 4} msg] $msg
} {1 {bad screen distance "a"}}
test canvRect-3.3 {RectOvalCoords procedure} {
    list [catch {.c coords x 1 b 3 4} msg] $msg
} {1 {bad screen distance "b"}}
test canvRect-3.4 {RectOvalCoords procedure} {
    list [catch {.c coords x 1 2 c 4} msg] $msg
} {1 {bad screen distance "c"}}
test canvRect-3.5 {RectOvalCoords procedure} {
    list [catch {.c coords x 1 2 3 d} msg] $msg
} {1 {bad screen distance "d"}}
test canvRect-3.6 {RectOvalCoords procedure} {nonPortable} {
    # Non-portable due to rounding differences.
    .c coords x 10 25 15 40
    .c bbox x
} {9 24 16 41}
test canvRect-3.7 {RectOvalCoords procedure} {
    list [catch {.c coords x 1 2 3 4 5} msg] $msg
} {1 {wrong # coordinates: expected 0 or 4, got 5}}

.c delete withtag all
.c create rectangle 10 20 30 40 -tags x -width 1
test canvRect-4.1 {ConfigureRectOval procedure} {
    list [catch {.c itemconfigure x -width abc} msg] $msg \
	    [.c itemcget x -width]
} {1 {bad screen distance "abc"} 1.0}
test canvRect-4.2 {ConfigureRectOval procedure} {
    list [catch {.c itemconfigure x -width -5} msg] $msg
} {1 {bad screen distance "-5"}}
test canvRect-4.3 {ConfigureRectOval procedure} {nonPortable} {
    # Non-portable due to rounding differences.
    .c itemconfigure x -width 10
    .c bbox x
} {5 15 35 45}
# I can't come up with any good tests for DeleteRectOval.

.c delete withtag all
.c create rectangle 10 20 30 40 -tags x -width 1 -outline {}
test canvRect-5.1 {ComputeRectOvalBbox procedure} {nonPortable} {
    # Non-portable due to rounding differences:
    .c coords x 20 15 10 5
    .c bbox x
} {10 5 20 15}
test canvRect-5.2 {ComputeRectOvalBbox procedure} {nonPortable} {
    # Non-portable due to rounding differences:
    .c coords x 10 20 30 10
    .c itemconfigure x -width 1 -outline red
    .c bbox x
} {9 9 31 21}
test canvRect-5.3 {ComputeRectOvalBbox procedure} {nonPortable} {
    # Non-portable due to rounding differences:
    .c coords x 10 20 30 10
    .c itemconfigure x -width 2 -outline red
    .c bbox x
} {9 9 31 21}
test canvRect-5.4 {ComputeRectOvalBbox procedure} {nonPortable} {
    # Non-portable due to rounding differences:
    .c coords x 10 20 30 10
    .c itemconfigure x -width 3 -outline red
    .c bbox x
} {8 8 32 22}

# I can't come up with any good tests for DisplayRectOval.

.c delete withtag all
set x  [.c create rectangle 10 20 30 35 -tags x -fill green]
set y [.c create rectangle 15 25 25 30  -tags y -fill red]
test canvRect-6.1 {RectToPoint procedure} {
    .c itemconfigure y -outline {}
    list [.c find closest 14.9 28] [.c find closest 15.1 28] \
	    [.c find closest 24.9 28] [.c find closest 25.1 28]
} "$x $y $y $x"
test canvRect-6.2 {RectToPoint procedure} {
    .c itemconfigure y -outline {}
    list [.c find closest 20 24.9] [.c find closest 20 25.1] \
	    [.c find closest 20 29.9]  [.c find closest 20 30.1]
} "$x $y $y $x"
test canvRect-6.3 {RectToPoint procedure} {
    .c itemconfigure y -width 1 -outline black
    list [.c find closest 14.4 28] [.c find closest 14.6 28] \
	    [.c find closest 25.4 28] [.c find closest 25.6 28]
} "$x $y $y $x"
test canvRect-6.4 {RectToPoint procedure} {
    .c itemconfigure  y -width 1 -outline black
    list [.c find closest 20 24.4] [.c find closest 20 24.6] \
	    [.c find closest 20 30.4] [.c find closest 20 30.6]
} "$x $y $y $x"
.c itemconfigure x -fill {} -outline black -width 3
.c itemconfigure y -outline {}
test canvRect-6.5 {RectToPoint procedure} {
    list [.c find closest 13.2 28] [.c find closest 13.3 28] \
	    [.c find closest 26.7 28] [.c find closest 26.8 28]
} "$x $y $y $x"
test canvRect-6.6 {RectToPoint procedure} {
    list [.c find closest 20 23.2] [.c find closest 20 23.3] \
	    [.c find closest 20 31.7] [.c find closest 20 31.8]
} "$x $y $y $x"
.c delete withtag all
set x [.c create rectangle 10 20 30 40 -outline {} -fill black]
set y [.c create rectangle 40 40 50 50 -outline {} -fill black]
test canvRect-6.7 {RectToPoint procedure} {
    list [.c find closest 35 35] [.c find closest 36 36] \
	    [.c find closest 37 37] [.c find closest 38 38]
} "$x $y $y $y"

.c delete withtag all
set x  [.c create rectangle 10 20 30 35 -fill green -outline {}]
set y [.c create rectangle 40 45 60 70 -fill red -outline black -width 3]
set z [.c create rectangle 100 150 120 170 -fill {} -outline black -width 3]
test canvRect-7.1 {RectToArea procedure} {
    list [.c find overlapping 20 50 38 60] \
	    [.c find overlapping 20 50 39 60] \
	    [.c find overlapping 20 50 70 60] \
	    [.c find overlapping 61 50 70 60] \
	    [.c find overlapping 62 50 70 60]
} "{} $y $y $y {}"
test canvRect-7.2 {RectToArea procedure} {
    list [.c find overlapping 45 20 55 43] \
	    [.c find overlapping 45 20 55 44] \
	    [.c find overlapping 45 20 55 80] \
	    [.c find overlapping 45 71 55 80] \
	    [.c find overlapping 45 72 55 80]
} "{} $y $y $y {}"
test canvRect-7.3 {RectToArea procedure} {
    list [.c find overlapping 5 25 9.9 30] [.c find overlapping 5 25 10.1 30]
} "{} $x"
test canvRect-7.4 {RectToArea procedure} {
    list [.c find overlapping 102 152 118 168] \
	    [.c find overlapping 101 152 118 168] \
	    [.c find overlapping 102 151 118 168] \
	    [.c find overlapping 102 152 119 168] \
	    [.c find overlapping 102 152 118 169]
} "{} $z $z $z $z"
test canvRect-7.5 {RectToArea procedure} {
    list [.c find enclosed 20 40 38 80] \
	    [.c find enclosed 20 40 39 80] \
	    [.c find enclosed 20 40 70 80] \
	    [.c find enclosed 61 40 70 80] \
	    [.c find enclosed 62 40 70 80]
} "{} {} $y {} {}"
test canvRect-7.6 {RectToArea procedure} {
    list [.c find enclosed 20 20 65 43] \
	    [.c find enclosed 20 20 65 44] \
	    [.c find enclosed 20 20 65 80] \
	    [.c find enclosed 20 71 65 80] \
	    [.c find enclosed 20 72 65 80]
} "{} {} $y {} {}"

.c delete withtag all
set x  [.c create oval 50 100 200 150 -fill green -outline {}]
set y [.c create oval 50 100 200 150 -fill red -outline black -width 3]
set z [.c create oval 50 100 200 150 -fill {} -outline black -width 3]
test canvRect-8.1 {OvalToArea procedure} {
    list [.c find overlapping 20 120 48 130] \
	    [.c find overlapping 20 120 49 130] \
	    [.c find overlapping 20 120 50.2 130] \
	    [.c find overlapping 20 120 300 130] \
	    [.c find overlapping 60 120 190 130] \
	    [.c find overlapping 199.9 120 300 130] \
	    [.c find overlapping 201 120 300 130] \
	    [.c find overlapping 202 120 300 130]
} "{} {$y $z} {$x $y $z} {$x $y $z} {$x $y} {$x $y $z} {$y $z} {}"
test canvRect-8.2 {OvalToArea procedure} {
    list [.c find overlapping 100 50 150 98] \
	    [.c find overlapping 100 50 150 99] \
	    [.c find overlapping 100 50 150 100.1] \
	    [.c find overlapping 100 50 150 200] \
	    [.c find overlapping 100 110 150 140] \
	    [.c find overlapping 100 149.9 150 200] \
	    [.c find overlapping 100 151 150 200] \
	    [.c find overlapping 100 152 150 200]
} "{} {$y $z} {$x $y $z} {$x $y $z} {$x $y} {$x $y $z} {$y $z} {}"
test canvRect-8.3 {OvalToArea procedure} {
    list [.c find overlapping 176 104 177 105] \
	    [.c find overlapping 187 116 188 117] \
	    [.c find overlapping 192 142 193 143] \
	    [.c find overlapping 180 138 181 139] \
	    [.c find overlapping 61 142 62 143] \
	    [.c find overlapping 65 137 66 136] \
	    [.c find overlapping 62 108 63 109] \
	    [.c find overlapping 68 115 69 116]
} "{} {$x $y} {} {$x $y} {} {$x $y} {} {$x $y}"

test canvRect-9.1 {ScaleRectOval procedure} {
    .c delete withtag all
    .c create rect 100 300 200 350 -tags x
    .c scale x 50 100 2 4
    .c coords x
} {150.0 900.0 350.0 1100.0}

test canvRect-10.1 {TranslateRectOval procedure} {
    .c delete withtag all
    .c create rect 100 300 200 350 -tags x
    .c move x 100 -10
    .c coords x
} {200.0 290.0 300.0 340.0}

# This test is non-portable because different color information
# will get generated on different displays (e.g. mono displays
# vs. color).
test canvRect-11.1 {RectOvalToPostscript procedure} {nonPortable macCrash} {
    # Crashes on Mac because the XGetImage() call isn't implemented, causing a
    # dereference of NULL.

    .c configure -bd 0 -highlightthickness 0
    .c delete withtag all
    .c create rect 50 60 90 80 -fill black -stipple gray50 -outline {}
    .c create oval 100 150 200 200 -fill {} -outline #ff0000 -width 5
    update
    set x [.c postscript]
    string range $x [string first "-200 -150 translate" $x] end
} {-200 -150 translate
0 300 moveto 400 300 lineto 400 0 lineto 0 0 lineto closepath clip newpath
gsave
50 240 moveto 40 0 rlineto 0 -20 rlineto -40 0 rlineto closepath
0.000 0.000 0.000 setrgbcolor AdjustColor
clip 16 16 <5555aaaa5555aaaa5555aaaa5555aaaa5555aaaa5555aaaa5555aaaa5555
aaaa> StippleFill
grestore
gsave
matrix currentmatrix
150 125 translate 50 25 scale 1 0 moveto 0 0 1 0 360 arc
setmatrix
5 setlinewidth 0 setlinejoin 2 setlinecap
1.000 0.000 0.000 setrgbcolor AdjustColor
stroke
grestore
restore showpage

%%Trailer
end
%%EOF
}

# cleanup
::tcltest::cleanupTests
return