add benchmark task to rakefile

1 files changed, 6 insertions, 2 deletions

diff --git a/Rakefile b/Rakefile
index 12ec6a52..b11e50ee 100644
--- a/Rakefile
+++ b/Rakefile
@@ -4,11 +4,15 @@ task :build => :gendoc do
   system "gem build axlsx.gemspec"
 end
 
-task :gendoc do   
+task :benchmark do
+  require File.expand_path(File.dirname(__FILE__) + '/test/benchmark.rb')
+end
+
+task :gendoc do
   system "yardoc"
 end
 
-task :test do 
+task :test do
      require 'rake/testtask'
      Rake::TestTask.new do |t|
        t.libs << 'test'