X-Git-Url: https://projects.mako.cc/source/rubyvote/blobdiff_plain/1da0a60f448820070d47333a7316364e009f203e..edff22dc7bd8517bff039e3346f2a85bf0aed754:/test/condorcet_test.rb diff --git a/test/condorcet_test.rb b/test/condorcet_test.rb index 7ae4a70..67d544e 100644 --- a/test/condorcet_test.rb +++ b/test/condorcet_test.rb @@ -27,6 +27,8 @@ class TestCondorcetVote < Test::Unit::TestCase 8.times {vote_array << "EBADC".split("")} assert_equal "E", CloneproofSSDVote.new(vote_array).result.winners[0] + assert_equal [['E'], ['A'], ['C'], ['B'], ['D']], + CloneproofSSDVote.new(vote_array).results end def test_ssd2 @@ -42,6 +44,8 @@ class TestCondorcetVote < Test::Unit::TestCase 4.times {vote_array << "DCBA".split("")} assert_equal "D", CloneproofSSDVote.new(vote_array).result.winners[0] + assert_equal [['D'], ['A'], ['C'], ['B']], + CloneproofSSDVote.new(vote_array).results end def test_ssd3 @@ -52,5 +56,64 @@ class TestCondorcetVote < Test::Unit::TestCase 2.times {vote_array << "CBDA".split("")} assert_equal "B", CloneproofSSDVote.new(vote_array).result.winners[0] + assert_equal [['B'], ['C'], ['D'], ['A']], + CloneproofSSDVote.new(vote_array).results end + + def test_ssd_incomplete_votes + vote_array = Array.new + 3.times {vote_array << "ABCD".split("")} + 2.times {vote_array << "DABC".split("")} + 2.times {vote_array << "DBCA".split("")} + 4.times {vote_array << ["C"]} + 2.times {vote_array << "DBC".split("")} + + vote = CloneproofSSDVote.new(vote_array) + assert_equal "B", vote.result.winners[0] + assert_equal [['B'], ['C'], ['D'], ['A']], vote.results + end + + def test_ssd_incomplete_votes_2 + vote_array = Array.new + 4.times {vote_array << ["C"]} + 3.times {vote_array << "ABCD".split("")} + 2.times {vote_array << "DABC".split("")} + 2.times {vote_array << "DBCA".split("")} + 2.times {vote_array << "DBC".split("")} + + vote = CloneproofSSDVote.new(vote_array) + assert_equal "B", vote.result.winners[0] + assert_equal [['B'], ['C'], ['D'], ['A']], vote.results + end + + # + # At one point, we happened to be getting correct results due to the + # happy accident that, for example, 'B'.each returns 'B'. The + # following election with a single integer vote catches that + # condition. + # + def test_ssd_single_vote + vote = CloneproofSSDVote.new([[78]]) + assert_equal 78, vote.result.winners[0] + assert_equal [[78]], vote.results + end + + def test_ssd_sparse + vote_array = Array.new + vote_array << ['B', 'D'] + vote_array << ['A', 'C'] + vote_array << ['E', 'C'] + results = CloneproofSSDVote.new(vote_array).results + assert_equal 5, results.flatten.size + end + + def test_ssd_sparse_2 + vote_array = Array.new + vote_array << [65, 63, 64] + vote_array << [64, 65, 66, 63] + vote = CloneproofSSDVote.new(vote_array) + assert_equal 65, vote.result.winners[0] + assert_equal [[65, 64], [63, 66]], vote.results + end + end