Rakefile in games_dice-0.3.3 vs Rakefile in games_dice-0.3.5

@@ -1,10 +1,15 @@
 require "bundler/gem_tasks"
 require "rspec/core/rake_task"
 require 'rake/extensiontask'
 require "yard"
 
+def can_compile_extensions
+  return false if RUBY_DESCRIPTION =~ /jruby/
+  return true
+end
+
 desc "GamesDice unit tests"
 RSpec::Core::RakeTask.new(:test) do |t|
   t.pattern = "spec/*_spec.rb"
   t.verbose = false
 end
@@ -20,6 +25,16 @@
   ext.ext_dir = 'ext/games_dice'
   ext.lib_dir = 'lib/games_dice'
   ext.gem_spec = gemspec
 end
 
-task :default => [:compile, :test]
+task :delete_compiled_ext do |t|
+  `rm lib/games_dice/games_dice.*`
+end
+
+task :pure_test => [:delete_compiled_ext, :test]
+
+if can_compile_extensions
+  task :default => [:compile, :test]
+else
+  task :default => [:test]
+end