Testing the Disposal of SWT resources

swt_menu_dispose.rb

require 'java'
require 'swt.jar'
class SwtTest
  include_package 'org.eclipse.swt.widgets'
  import 'org.eclipse.swt.SWT'
  def run
    puts "Press Enter to Start"
    #pause, in case you wan to attach a profiler
    gets
    shell = Shell.new(Display.new)
    shell.layout = org.eclipse.swt.layout.FormLayout.new
    #shell.visible = true
    i = 0
    while true
       menu_bar = Menu.new(shell, SWT::DROP_DOWN)
       5.times do
         menu = Menu.new(menu_bar)
         (1..10).each do |j|
           item_1 = MenuItem.new(menu, SWT::CASCADE)
           item_1.text = "Item #{j}" 
         end
         #menu.visible = true
       end
       menu_bar.dispose
       i = i+1
       if (i % 100) == 0
         puts i
         puts "#{menu_bar} <-- sample menu bar"
       end
    end
  end
end

SwtTest.new.run

swt_shell_dispose.rb

require 'java'
require 'swt.jar'
class SwtTest
  include_package 'org.eclipse.swt.widgets'
  import 'org.eclipse.swt.SWT'
  def run
    puts "Press Enter to Start"
    #pause, in case you wan to attach a profiler
    gets
    display = Display.new
    i = 0
    while true
      shell = Shell.new(display)
      shell.layout = org.eclipse.swt.layout.FormLayout.new
      #shell.visible = true
       menu_bar = Menu.new(shell, SWT::DROP_DOWN)
       5.times do
         menu = Menu.new(menu_bar)
         (1..10).each do |j|
           item_1 = MenuItem.new(menu, SWT::CASCADE)
           item_1.text = "Item #{j}" 
         end
         #menu.visible = true
       end
       shell.dispose
       i = i+1
       if (i % 50) == 0
         puts i
         puts "#{shell} <-- sample shell"
       end
    end
  end
end

SwtTest.new.run