puts "==========="
puts "OCC27530"
puts "==========="
puts ""
##########################################################################
# Visualization - AIS_InteractiveContext::HilightNextDetected() doesn't work in Neutral Point
##########################################################################

proc check_highlighting { theHiBoxIdx theCoords } {
  set aNext [expr ($theHiBoxIdx + 1) % 3]
  set aNextNext [expr ($theHiBoxIdx + 2) % 3]
  set hiColor [vreadpixel [lindex $theCoords [expr $theHiBoxIdx * 2] ] [lindex $theCoords [expr $theHiBoxIdx * 2 + 1] ] name]
  set nextColor [vreadpixel [lindex $theCoords [expr $aNext * 2] ] [lindex $theCoords [expr $aNext * 2 + 1] ] name]
  set nextNextColor [vreadpixel [lindex $theCoords [expr $aNextNext * 2] ] [lindex $theCoords [expr $aNextNext * 2 + 1] ] name]

  if {$hiColor == "CYAN1 1" && $nextColor == "YELLOW 1" && $nextNextColor == "YELLOW 1"} {
    return true
  } else {
    return false
  }
}

pload VISUALIZATION MODELING

box b0 3 3 3
box b1 1 1 1 3 2 1
box b2 1.5 1.5 1.5 4 4 4

set coords { }
# b0_x, b0_y
lappend coords 355
lappend coords 186
# b1_x, b1_y
lappend coords 266
lappend coords 333
# b2_x, b2_y
lappend coords 177
lappend coords 2

vinit
vclear
vdisplay b0 b1 b2
vleft
vfit

# MoveTo in area that is common for all boxes
vmoveto 210 280

if { ![check_highlighting 0 $coords] } {
  puts "ERROR: incorrect highlighting of box b0"
}

# check vselnext
vselnext
if { ![check_highlighting 1 $coords] } {
  puts "ERROR: incorrect highlighting of box b1 after vselnext call"
}
vselnext
if { ![check_highlighting 2 $coords] } {
  puts "ERROR: incorrect highlighting of box b2 after vselnext call"
}
vselnext
if { ![check_highlighting 0 $coords] } {
  puts "ERROR: incorrect highlighting of box b0 after vselnext call"
}

# check vselprev
vselprev
if { ![check_highlighting 2 $coords] } {
  puts "ERROR: incorrect highlighting of box b2 after vselprev call"
}
vselprev
if { ![check_highlighting 1 $coords] } {
  puts "ERROR: incorrect highlighting of box b1 after vselprev call"
}
vselprev
if { ![check_highlighting 0 $coords] } {
  puts "ERROR: incorrect highlighting of box b0 after vselprev call"
}