occt/tests/perf/fclasses/handle

puts "TODO OCC26471 Linux: Error: OCCT DownCast is expected to be faster!"
puts "TODO OCC24023 ALL: Checking local reference of handle to base type to temporary handle object"

puts "========"
puts "CR24023, check operability and performance of OCCT RTTI and handles"
puts "========"
puts ""

pload QAcommands

# check RTTI 
QAHandleBool
QAHandleKind
QAHandleOps

# check performance of creation and destruction handles, vs. C++ shared_ptr
set res [QAHandleInc]
set res_lines [split $res \n]
set time_occt [lindex [split [lindex $res_lines 1] :] end]
set time_std  [lindex [split [lindex $res_lines 2] :] end]
set ratio [expr $time_occt / $time_std]

# allow 5% deviation
if { $ratio > 1.05 } {
  puts "Error: OCCT handle is too slow: $time_occt vs. $time_std of shared_ptr"
}

# Check performance of down casting at different nesting depths.
# OCCT is expected to be the same as C++
set depths {3 5 10 50}
set threshold_std 4.0
set threshold_ptr 2.5
for {set i 0} {$i < [llength $depths]} {incr i} {
  set depth [lindex $depths $i]
  puts "\nTesting DownCast at nesting depth $depth"

  set res [QAHandleCast $depth 0 100000]
  set res_lines [split $res \n]
  set time_occt [lindex [lindex [split [lindex $res_lines end-2] :] end] end]
  set time_std  [lindex [lindex [split [lindex $res_lines end-1] :] end] end]
  set time_ptr  [lindex [lindex [split [lindex $res_lines end  ] :] end] end]
  set ratio_std [expr $time_occt / $time_std]
  set ratio_ptr [expr $time_occt / $time_ptr]
  
  puts "Ratio of time of OCCT DownCast() to dynamic_cast<>: $ratio_std"
  puts "Ratio of time of OCCT DownCast() to dynamic_pointer_cast<>: $ratio_ptr"

  if { $ratio_std > $threshold_std || $ratio_ptr > $threshold_ptr } {
    puts "Error: OCCT DownCast is expected to be faster!"
  }
}