From 0e05e46d80413a70fc4aa10bfabbbac048add5a8 Mon Sep 17 00:00:00 2001
From: John Dong <jdong@mit.edu>
Date: Wed, 15 Aug 2007 19:50:14 +0000
Subject: [PATCH 1/1] Add testcases for calling results to empty votes.

TODO: IRV Logic has same bug



git-svn-id: svn://rubyforge.org/var/svn/rubyvote/trunk@34 1440c7f4-e209-0410-9a04-881b5eb134a8
---
 test/condorcet_test.rb  |  9 +++++++++
 test/election_test.rb   | 10 ++++++++++
 test/irv_test.rb        | 12 +++++++++++-
 test/positional_test.rb |  7 ++++++-
 test/range_test.rb      |  5 +++++
 5 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/test/condorcet_test.rb b/test/condorcet_test.rb
index 4607163..9d10169 100644
--- a/test/condorcet_test.rb
+++ b/test/condorcet_test.rb
@@ -5,6 +5,10 @@ require 'rubyvote/election'
 require 'rubyvote/condorcet'
 
 class TestCondorcetVote < Test::Unit::TestCase
+  def test_condorcet_empty
+    vote_array =  [[]]
+    assert_nil PureCondorcetVote.new(vote_array).result.winners[0]
+  end
 
   def test_condorcet
     vote_array = Array.new
@@ -27,6 +31,11 @@ class TestCondorcetVote < Test::Unit::TestCase
     assert_equal [['6', '7'], ['8']], v.results
   end
 
+  def test_ssd_empty
+    vote_array = [[]]
+    assert_nil  CloneproofSSDVote.new(vote_array).result.winners[0]
+  end
+  
   def test_ssd
     vote_array = Array.new
     5.times {vote_array << "ACBED".split("")}
diff --git a/test/election_test.rb b/test/election_test.rb
index 7675e58..2afab27 100644
--- a/test/election_test.rb
+++ b/test/election_test.rb
@@ -5,6 +5,11 @@ require 'rubyvote/election'
 
 class TestElectionVote < Test::Unit::TestCase
 
+  def test_plurality_empty
+    vote_array = []
+    assert_nil PluralityVote.new(vote_array).result.winners[0]
+  end
+  
   def test_plurality
     vote_array = "ABCABCABCCCBBAAABABABCCCCCCCCCCCCCA".split("")
 
@@ -21,6 +26,11 @@ class TestElectionVote < Test::Unit::TestCase
     assert_raise(InvalidVoteError) { PluralityVote.new(vote_array).result.winners[0] }
   end
   
+  def test_approval_empty
+    vote_array = []
+    assert_nil ApprovalVote.new(vote_array).result.winners[0]
+  end
+  
   def test_approval
     vote_array = Array.new
     10.times {vote_array << "AB".split("")}
diff --git a/test/irv_test.rb b/test/irv_test.rb
index 49aa540..fa05dc9 100644
--- a/test/irv_test.rb
+++ b/test/irv_test.rb
@@ -6,6 +6,11 @@ require 'rubyvote/irv'
 
 class TestRunoffVote < Test::Unit::TestCase
 
+  def test_irv_empty
+    vote_array = Array.new
+    assert_nil InstantRunoffVote.new(vote_array).result.winners[0]
+  end
+  
   def test_irv
     vote_array = Array.new
     142.times {vote_array << "ABCD".split("")}
@@ -50,7 +55,12 @@ class TestRunoffVote < Test::Unit::TestCase
 
     assert_equal( "C", InstantRunoffVote.new(vote_array).result.winners[0] )
   end
-
+  
+  def test_irv_logic_empty
+    vote_array = Array.new
+    assert_nil InstantRunoffLogicVote.new(vote_array).result.winners[0]
+  end
+  
   def test_irv_logic1
     vote_array = Array.new
     42.times {vote_array << "ABCD".split("")}
diff --git a/test/positional_test.rb b/test/positional_test.rb
index 1dc6c12..76be74d 100644
--- a/test/positional_test.rb
+++ b/test/positional_test.rb
@@ -5,7 +5,12 @@ require 'rubyvote/election'
 require 'rubyvote/positional'
 
 class TestPositionalVote < Test::Unit::TestCase
-
+  
+  def test_borda_empty
+    vote_array = Array.new
+    assert_nil BordaVote.new(vote_array).result.winners[0]
+  end
+  
   def test_borda
     vote_array = Array.new
     2.times {vote_array << "BAC".split("")}
diff --git a/test/range_test.rb b/test/range_test.rb
index 26d8600..79635ec 100644
--- a/test/range_test.rb
+++ b/test/range_test.rb
@@ -6,6 +6,11 @@ require 'rubyvote/range'
 
 class TestRangeVote < Test::Unit::TestCase
 
+  def test_range_empty
+    vote_array = []
+    assert_nil RangeVote.new(vote_array).result.winners[0]
+  end
+  
   def test_range
     vote_array = []
     42.times {vote_array << {'A' => 10, 'B' => 5, 'C' => 2, 'D' => 1}}
-- 
2.30.2