diff --git a/spec/rack/livereload_spec.rb b/spec/rack/livereload_spec.rb
index 4652732..649a9e6 100644
--- a/spec/rack/livereload_spec.rb
+++ b/spec/rack/livereload_spec.rb
@@ -223,5 +223,22 @@ describe Rack::LiveReload do
it { should be_bad_browser(user_agent) }
end
+
+ describe 'head tag regex' do
+ let(:regex) { described_class::HEAD_TAG_REGEX }
+ subject { regex }
+
+ it { should be_kind_of(Regexp) }
+
+ it 'only picks a valid tag' do
+ regex.match("").to_s.should eq('')
+ regex.match("").to_s.should eq('')
+ regex.match("").to_s.should eq("")
+ end
+
+ it 'responds false when no head tag' do
+ regex.match("").should be_false
+ end
+ end
end