Rakefile in redcarpet-2.3.0 vs Rakefile in redcarpet-3.0.0

@@ -10,9 +10,48 @@
 
 # Packaging
 require 'bundler/gem_tasks'
 
 # Testing
-load 'tasks/testing.rake'
+require 'rake/testtask'
 
-# Sundown
-load 'tasks/sundown.rake'
\ No newline at end of file
+Rake::TestTask.new('test:unit') do |t|
+  t.libs << 'lib'
+  t.libs << 'test'
+  t.pattern = 'test/*_test.rb'
+  t.verbose = true
+  t.warning = false
+end
+
+task 'test:unit' => :compile
+
+desc 'Run conformance tests (MARKDOWN_TEST_VER=1.0)'
+task 'test:conformance' => :compile do |t|
+  script = "#{pwd}/bin/redcarpet"
+  test_version = ENV['MARKDOWN_TEST_VER'] || '1.0.3'
+  lib_dir = "#{pwd}/lib"
+
+  chdir("test/MarkdownTest_#{test_version}") do
+    sh "RUBYLIB=#{lib_dir} ./MarkdownTest.pl --script='#{script}' --tidy"
+  end
+end
+
+desc 'Run version 1.0 conformance suite'
+task 'test:conformance:1.0' => :compile do |t|
+  ENV['MARKDOWN_TEST_VER'] = '1.0'
+  Rake::Task['test:conformance'].invoke
+end
+
+desc 'Run 1.0.3 conformance suite'
+task 'test:conformance:1.0.3' => :compile do |t|
+  ENV['MARKDOWN_TEST_VER'] = '1.0.3'
+  Rake::Task['test:conformance'].invoke
+end
+
+desc 'Run unit and conformance tests'
+task :test => %w[test:unit test:conformance]
+
+desc 'Run benchmarks'
+task :benchmark => :compile do |t|
+  $:.unshift 'lib'
+  load 'test/benchmark.rb'
+end