public void TestClearWinnerElection()
{
Ballot sampleBallot = new Ballot();
sampleBallot.Add("A", false);
sampleBallot.Add("B", false);
sampleBallot.Add("C", false);
sampleBallot.Add("D", false);
Tally tally = new Tally(sampleBallot);
tally.AddBallot(sampleBallot.Clone().Approve("A").Approve("B"));
tally.AddBallot(sampleBallot.Clone().Approve("A").Approve("B"));
tally.AddBallot(sampleBallot.Clone().Approve("B"));
tally.AddBallot(sampleBallot.Clone().Approve("C").Approve("D"));
tally.AddBallot(sampleBallot.Clone().Approve("B").Approve("D"));
Assert.AreEqual("B", tally.Winner());
Assert.AreEqual(2, tally["A"]);
Assert.AreEqual(4, tally["B"]);
Assert.AreEqual(1, tally["C"]);
Assert.AreEqual(2, tally["D"]);
}
public void TestTiedElection()
{
Ballot sampleBallot = new Ballot();
sampleBallot.Add("A", false);
sampleBallot.Add("B", false);
sampleBallot.Add("C", false);
sampleBallot.Add("D", false);
Tally tally = new Tally(sampleBallot);
tally.AddBallot(sampleBallot.Clone().Approve("A").Approve("C"));
tally.AddBallot(sampleBallot.Clone().Approve("A").Approve("B"));
tally.AddBallot(sampleBallot.Clone().Approve("B"));
tally.AddBallot(sampleBallot.Clone().Approve("C").Approve("D"));
tally.AddBallot(sampleBallot.Clone().Approve("D"));
tally.AddBallot(sampleBallot.Clone().Approve("B").Approve("C"));
Assert.AreEqual(2, tally["A"]);
Assert.AreEqual(3, tally["B"]);
Assert.AreEqual(3, tally["C"]);
Assert.AreEqual(2, tally["D"]);
string winner = tally.Winner();
Assert.IsTrue(new List <string>()
{
"B", "C"
}.Contains(winner));
// winner stays the same each subsequent call
for (int i = 0; i < 100; i++)
{
string winner2 = tally.Winner();
Assert.AreEqual(winner, winner2);
}
}