Fixed ruby's newobject1 and newobject2 demos.

Added swig_assert.rb and started using it in some tests.
Added my patches to ruby.cxx, rubyrun.swg, rubystrings.swg
and rubytracking.swg [see: sourceforge]



git-svn-id: https://swig.svn.sourceforge.net/svnroot/swig/trunk@9691 626c5289-ae23-0410-ae9c-e8d60b6d4f22

Examples/test-suite/ruby/swig_assert.rb

@@ -0,0 +1,16 @@
+#!/usr/bin/env ruby
+#
+# A simple function to create useful asserts
+#
+# Author::    gga
+# Copyright:: 2007
+# License::   Ruby
+#
+
+
+class SwigRubyError < RuntimeError
+end
+
+def swig_assert( condition, *args )
+  raise SwigRubyError.new("FAILED CHECK: #{condition} #{args.join(' ')}") unless eval(condition)
+end