Test to check that SFML::RenderWindow and shapes works as they should.

git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/branches/sfml2@1697 4e206d99-4929-0410-ac5d-dfc041789085

bindings/ruby/testing/render-window-demo.rb

@@ -0,0 +1,24 @@
+require 'sfml/system'
+require 'sfml/window'
+require 'sfml/graphics'
+
+app = SFML::RenderWindow.new( [800, 600], "My Ruby SFML" )
+app.framerate = 100
+app.position = [300, 300]
+input = app.input
+
+shape = SFML::Shape.rectangle( [-10, -10, 20, 20], SFML::Color::White )
+
+while app.open?
+  while event = app.get_event
+    if event.type == SFML::Event::Closed
+      app.close
+    end
+  end
+  
+  
+  app.clear
+  shape.position = [input.mouseX, input.mouseY]
+  app.draw shape  
+  app.display
+end