public void TestHashCode(
int player1OfMatch1,
int player2OfMatch1,
int player1OfMatch2,
int player2OfMatch2
)
{
Matchup <int> firstMatchup = new Matchup <int>(player1OfMatch1, player2OfMatch1);
Matchup <int> secondMatchup = new Matchup <int>(player1OfMatch2, player2OfMatch2);
Assert.Equal(firstMatchup.GetHashCode(), secondMatchup.GetHashCode());
}