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|
package casino
import (
"math"
"math/rand"
"sort"
"strconv"
"testing"
)
func newTestCashHunt() *cashHuntTable {
return newTable(1, TableConfig{ID: "cash_hunt", Game: GameCashHunt}, rand.New(rand.NewSource(42))).game.(*cashHuntTable)
}
type cashHuntNoRandom struct{}
func (cashHuntNoRandom) Int63() int64 { panic("Cash Hunt used RNG after the board was sealed") }
func (cashHuntNoRandom) Seed(int64) {}
func TestCashHuntExactRTPAndVariance(t *testing.T) {
lastVariance := 0.0
for risk, weights := range cashHuntWeights {
total, returned, boundary := 0, int64(0), 0
second := 0.0
for i, weight := range weights {
multiplier := cashHuntMultipliers[i]
if weight <= 0 {
t.Fatal("every advertised prize must be reachable")
}
for _, ticket := range []int{boundary, boundary + weight - 1} {
if got := cashHuntPrize(risk, ticket); got != multiplier {
t.Fatalf("risk %d ticket %d: %dx, want %dx", risk, ticket, got, multiplier)
}
}
boundary += weight
total += weight
returned += int64(weight) * int64(multiplier)
second += float64(weight) * float64(multiplier) * float64(multiplier) / cashHuntWeightTotal
}
if total != cashHuntWeightTotal || returned != 98_000_000 {
t.Fatalf("risk %d: tickets %d, weighted return %d", risk, total, returned)
}
variance := second - .98*.98
if variance <= lastVariance {
t.Fatal("difficulty must increase variance")
}
lastVariance = variance
}
c := TableConfig{ID: "hunt", Game: GameCashHunt}
if got := c.HouseEdge("main"); len(got.Parts) != 1 || math.Abs(got.Parts[0].Loss-.02) > 1e-12 {
t.Fatalf("wrong reported edge: %+v", got)
}
}
func TestCashHuntEveryChoiceUsesSealedBoard(t *testing.T) {
for pick := 1; pick <= CashHuntSquares; pick++ {
table := newTestCashHunt()
table.join("alice")
wallet := &testWallet{credits: 100}
events := table.bet("alice", "", 10, wallet)
preview := events[0].Snapshot.(*CashHuntSnapshot)
hidden := events[1].Snapshot.(*CashHuntSnapshot)
if hidden.Phase != "hidden" || hidden.Squares != [CashHuntSquares]int{} {
t.Fatal("hidden snapshot leaked prizes")
}
if preview.Squares == table.squares {
t.Fatal("seeded board was not shuffled")
}
before, after := preview.Squares, table.squares
sort.Ints(before[:])
sort.Ints(after[:])
if before != after {
t.Fatal("shuffle changed prize inventory")
}
sealed := table.squares
// Neither look/status nor an invalid input may reveal or regenerate it.
table.rng = rand.New(cashHuntNoRandom{})
if table.board("spectator").(*CashHuntSnapshot).Squares != [CashHuntSquares]int{} {
t.Fatal("spectator can see hidden board")
}
table.status("alice")
for _, input := range []string{"0", "201", "-1", "pick 1 2", "difficulty hard", "nope"} {
table.action("alice", input)
}
table.bet("alice", "", 10, wallet)
table.leave("alice")
if !table.active || table.risk != 0 || table.squares != sealed || len(wallet.open) != 1 {
t.Fatal("locked board changed")
}
result := table.action("alice", strconv.Itoa(pick))
if wallet.paid != 10*sealed[pick-1] || len(wallet.open) != 0 || table.active {
t.Fatal("selected square was not paid exactly")
}
snap := result[0].Snapshot.(*CashHuntSnapshot)
if snap.Squares != sealed || snap.Selected != pick || preview.Squares == sealed {
t.Fatal("reveal or preview mutated")
}
if len(result[1].Settlement) != 1 {
t.Fatal("receipt missing")
}
paid := wallet.paid
table.action("alice", strconv.Itoa(pick))
table.action("alice", "settle")
table.tick()
table.refundAll()
if wallet.paid != paid {
t.Fatal("duplicate payout/refund")
}
}
}
func TestCashHuntAllPrizePayouts(t *testing.T) {
for _, multiplier := range cashHuntMultipliers {
table := newTestCashHunt()
table.join("alice")
wallet := &testWallet{credits: 100}
table.bet("alice", "", 10, wallet)
table.squares[99] = multiplier
table.rng = rand.New(cashHuntNoRandom{})
events := table.action("alice", "pick 100")
receipt := events[1].Settlement[0]
if wallet.paid != multiplier*10 || receipt.Returned != multiplier*10 || len(wallet.open) != 0 {
t.Fatalf("wrong payout for %dx", multiplier)
}
if receipt.Result != returnResult(10, multiplier*10) {
t.Fatal("wrong win/push/loss")
}
}
}
func TestCashHuntPayoutFailureLocksChoice(t *testing.T) {
table := newTestCashHunt()
table.join("alice")
wallet := &failingPayoutWallet{testWallet: testWallet{credits: 100}}
table.bet("alice", "", 10, wallet)
table.squares[6] = 50000
table.rng = rand.New(cashHuntNoRandom{})
events := table.action("alice", "7")
for _, e := range events {
if len(e.Settlement) != 0 {
t.Fatal("failed payment claimed a receipt")
}
}
table.action("alice", "8")
table.leave("alice")
table.bet("alice", "", 1, wallet)
if !table.active || table.selected != 7 || len(wallet.open) != 1 || wallet.paid != 0 {
t.Fatal("failed payout lost its chosen prize or stake")
}
table.wallet = &wallet.testWallet // persistence recovered, same pending stake
table.action("alice", "settle")
if table.active || wallet.paid != 500000 || len(wallet.open) != 0 {
t.Fatal("retry did not pay the original prize")
}
table.action("alice", "settle")
if wallet.paid != 500000 {
t.Fatal("retry paid twice")
}
}
func TestCashHuntDisconnectAndShutdown(t *testing.T) {
for _, disconnect := range []bool{false, true} {
table := newTestCashHunt()
table.join("alice")
wallet := &testWallet{chips: 3, credits: 100}
table.bet("alice", "", 10, wallet)
sealed := table.squares
table.rng = rand.New(cashHuntNoRandom{})
if disconnect {
table.markDisconnected("alice")
if wallet.paid != 10*sealed[0] {
t.Fatal("disconnect did not settle committed square 1")
}
} else {
table.refundAll()
if wallet.chips != 3 || wallet.credits+wallet.paid != 100 {
t.Fatal("shutdown failed to refund unpicked board")
}
}
if !table.idle() || len(wallet.open) != 0 {
t.Fatal("seat or stake leaked")
}
paid := wallet.paid
table.refundAll()
if wallet.paid != paid {
t.Fatal("duplicate closure payment")
}
}
// A failed bank save on disconnect remains in the durable pending ledger.
table := newTestCashHunt()
table.join("alice")
wallet := &failingPayoutWallet{testWallet: testWallet{credits: 100}}
table.bet("alice", "", 10, wallet)
table.markDisconnected("alice")
if !table.idle() || len(wallet.open) != 1 {
t.Fatal("failed disconnect settlement consumed the stake")
}
}
func TestCashHuntChosenPrizeSurvivesClosure(t *testing.T) {
for _, disconnect := range []bool{false, true} {
table := newTestCashHunt()
table.join("alice")
wallet := &failingPayoutWallet{testWallet: testWallet{credits: 100}}
table.bet("alice", "", 10, wallet)
table.squares[0], table.squares[6] = 0, 200
table.action("alice", "7") // selected, but banking failed
table.wallet = &wallet.testWallet
table.rng = rand.New(cashHuntNoRandom{})
if disconnect {
table.markDisconnected("alice")
} else {
table.refundAll()
}
if !table.idle() || len(wallet.open) != 0 || wallet.paid != 2000 {
t.Fatal("closure must settle the chosen prize, not refund or substitute square 1")
}
}
}
func TestCashHuntConfigAndBetGuards(t *testing.T) {
for _, c := range []TableConfig{
{ID: "hunt", Game: GameCashHunt, MaxPlayers: 2},
{ID: "hunt", Game: GameCashHunt, MaxBet: MaxCredits/cashHuntMaxMultiplier + 1},
{ID: "hunt", Game: GameCashHunt, Plinko: PlinkoConfig{RTP: 98}},
} {
if c.Validate() == nil {
t.Fatalf("invalid config accepted: %+v", c)
}
}
c := TableConfig{ID: "hunt", Game: GameCashHunt, MaxBet: MaxCredits / cashHuntMaxMultiplier}
if err := c.Validate(); err != nil {
t.Fatal(err)
}
table := newTestCashHunt()
table.join("alice")
if table.join("bob")[0].Type == EventJoined {
t.Fatal("second player joined")
}
wallet := &testWallet{credits: 100}
for _, amount := range []int{-1, 0, MaxCredits/cashHuntMaxMultiplier + 1} {
table.bet("alice", "", amount, wallet)
}
table.bet("alice", "square 7", 1, wallet)
table.bet("bob", "", 1, wallet)
table.bet("alice", "", 1, nil)
table.bet("alice", "", 1, &testWallet{})
if table.active || len(wallet.open) != 0 {
t.Fatal("invalid bet changed state")
}
for risk, name := range cashHuntRisks {
table.action("alice", "difficulty "+name)
if table.risk != risk {
t.Fatal("difficulty did not change")
}
snapshot := table.action("alice", "paytable")[0].Snapshot.(*CashHuntSnapshot)
if len(snapshot.Odds) != 12 || snapshot.Odds[11].Multiplier != 50000 {
t.Fatal("incomplete paytable")
}
}
table.bet("alice", "", 1, wallet)
if spot, amount := table.rebet("alice"); spot != "" || amount != 1 {
t.Fatal("rebet not remembered")
}
}
|
