Merge pull request #62 from stereobooster/master

rake specs:portability task for windows

Rakefile

@@ -5,7 +5,19 @@ require 'rspec/core/rake_task'
 RSpec::Core::RakeTask.new(:spec)
 task :default => :spec
 
+require 'rbconfig'
 namespace(:spec) do
+  if Config::CONFIG['host_os'] =~ /mswin|mingw/i
+    desc "Run all specs on multiple ruby versions (requires pik)"
+    task(:portability) do
+      %w[187 192 161].each do |version|
+         system "cmd /c echo -----------#{version}------------ & " +
+           "pik use #{version} & " +
+           "bundle install & " +
+           "rake spec"
+      end
+    end
+  else
     desc "Run all specs on multiple ruby versions (requires rvm)"
     task(:portability) do
       %w[1.8.7 1.9.2 ree].each do |version|
@@ -19,3 +31,4 @@ namespace(:spec) do
       end
     end
   end  
+end