Add similar hackish "fix" for IRVL deadlocking on empty vote

git-svn-id: svn://rubyforge.org/var/svn/rubyvote/trunk@35 1440c7f4-e209-0410-9a04-881b5eb134a8

diff --git a/lib/rubyvote/irv.rb b/lib/rubyvote/irv.rb
index 38517381e2591770188aec70abec6f2d147adf61..b26b1d1990720fe85cf5e78774bbd8642098e378 100644 (file)
--- a/lib/rubyvote/irv.rb
+++ b/lib/rubyvote/irv.rb
@@ -87,6 +87,11 @@ class InstantRunoffResult < ElectionResult
       apply_retention(votes, votes_sum * params['percent_retention'])
     end
     
+    unless votes.length > 0
+      @winners=[nil]
+      return
+    end
+
     begin
       ranked_candidates = votes.sort do |a, b|
         b[1][0] <=> a[1][0]