@Test
public void testSimpleCase() {
// Simple case, player finishes in place 4.
// 9.09% of $200 is $18.18
Map<Integer, BigDecimal> balanceAtStart = of(7, bd(70));
List<ConcretePayout> payouts =
payoutHandler.calculatePayouts(ImmutableSet.<Integer>of(7), balanceAtStart, 4);
assertThat(payouts.get(0).getPayout(), is(bd("18.18")));
}
@Test
public void testTwoPlayersOut() {
// Two players are out and they had different amounts of chips when the hand started.
// 15.15% of $200 is $30.30
Map<Integer, BigDecimal> balanceAtStart = of(7, bd(70), 8, bd(80));
List<ConcretePayout> payouts =
payoutHandler.calculatePayouts(ImmutableSet.<Integer>of(7, 8), balanceAtStart, 4);
assertThat(payouts.get(0).getPayout(), is(bd("18.18")));
assertThat(payouts.get(1).getPayout(), is(bd("30.30")));
}
@Test
public void testThreePlayersOutWithSameStartChips() {
// Two players are out and they had different amounts of chips when the hand started.
// 7.58% of $200 is $15.16. 15.16 + 18.18 + 30.30 = 63.64
// 63.64 / 3 = 21.21
// 21.21 * 3 = 63.63 => 1 cent remainder
Map<Integer, BigDecimal> balanceAtStart = of(7, bd(70), 8, bd(70), 9, bd(70));
List<ConcretePayout> payouts =
payoutHandler.calculatePayouts(ImmutableSet.<Integer>of(7, 8, 9), balanceAtStart, 5);
assertThat(payouts.get(0).getPayout(), is(bd("21.22")));
assertThat(payouts.get(1).getPayout(), is(bd("21.21")));
assertThat(payouts.get(2).getPayout(), is(bd("21.21")));
}
@Test
public void testFourPlayersTwoOfWhichHadTheSameStartingChips() {
// Two players are out and they had different amounts of chips when the hand started.
// 15.16 + 18.18 = 33.34
// 33.34 / 2 = 16.67
// 6.12% of $200 = 12.24
Map<Integer, BigDecimal> balanceAtStart = of(7, bd(70), 8, bd(70), 9, bd(80), 10, bd(20));
List<ConcretePayout> payouts =
payoutHandler.calculatePayouts(ImmutableSet.<Integer>of(7, 8, 10), balanceAtStart, 6);
assertThat(payouts.get(0).getPayout(), is(bd("12.24")));
assertThat(payouts.get(1).getPayout(), is(bd("16.67")));
assertThat(payouts.get(2).getPayout(), is(bd("16.67")));
assertThat(payouts.get(3).getPayout(), is(bd("30.30")));
}
