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package casino
import (
"strings"
"testing"
)
func TestSimplifiedCrapsAll36SettlementsAndHouseEdge(t *testing.T) {
// Total returns for a one-credit wager, including the winning stake.
returns := [13]int{2: 4, 3: 2, 4: 2, 10: 3, 11: 3, 12: 6}
totalReturned, wins := 0, 0
for a := 1; a <= 6; a++ {
for b := 1; b <= 6; b++ {
tb := variantFixture("simplified")
tb.join("a")
w := &testWallet{chips: 100}
tb.bet("a", "pass", 1, w)
want := returns[a+b]
for _, row := range tb.projectionFor(tb.players.get("a")) {
if row.Total == a+b && row.Net != want-1 {
t.Fatalf("preview for %d+%d: got %d, want %d", a, b, row.Net, want-1)
}
}
tb.resolveRoll(a, b)
if w.paid != want || len(w.open) != 0 || tb.players.get("a").HasBet || tb.point != 0 {
t.Fatalf("roll %d+%d: paid %d, want %d; open %v, point %d", a, b, w.paid, want, w.open, tb.point)
}
totalReturned += w.paid
if w.paid > 0 {
wins++
}
}
}
// 36 credits wagered, 35 returned: house edge exactly 1/36 = 2.777...%.
if totalReturned != 35 || wins != 12 {
t.Fatalf("all 36 rolls: returned %d, wins %d", totalReturned, wins)
}
}
func TestSimplifiedCrapsAutomaticCountdownAndRoll(t *testing.T) {
tb := variantFixture("simplified")
tb.join("alice")
w := &testWallet{chips: 100}
events := tb.bet("alice", "pass", 10, w)
if text := crapsEventText(events); strings.Contains(strings.ToLower(text), "shake") {
t.Fatal("countdown started before the clock", text)
}
if v := tb.view(); v.ShootIn != 3 || v.DealerIn != 0 {
t.Fatal("no 3-tick automatic window", v.ShootIn, v.DealerIn)
}
events = tb.advance(1)
text := crapsEventText(events)
if !strings.Contains(text, "dice") || !strings.Contains(text, "alice") {
t.Fatal("first countdown line missing", text)
}
if !events[0].Public || events[0].PrivateMessage == "" {
t.Fatal("countdown must broadcast and speak to the shooter", events[0])
}
events = tb.advance(1)
if text := crapsEventText(events); !strings.Contains(text, "luck") {
t.Fatal("second countdown line missing", text)
}
if tb.dice != [2]int{} {
t.Fatal("rolled before the final tick", tb.dice)
}
events = tb.advance(1)
text = strings.ToLower(crapsEventText(events))
if !strings.Contains(text, "shake") {
t.Fatal("third countdown line missing", crapsEventText(events))
}
if tb.dice == [2]int{} {
t.Fatal("dice did not roll automatically")
}
if tb.view().ShootIn != 0 {
t.Fatal("window stayed open after the roll")
}
// A rejected manual roll says the game rolls by itself.
tb = variantFixture("simplified")
tb.join("alice")
w = &testWallet{chips: 100}
tb.bet("alice", "pass", 10, w)
if text := crapsEventText(tb.action("alice", "roll")); !strings.Contains(text, "rolls by itself") {
t.Fatal(text)
}
if text := crapsEventText(tb.action("alice", "autoroll")); !strings.Contains(text, "rolls by itself") {
t.Fatal(text)
}
// Multiplayer: a single shared countdown, no 10-second manual window.
tb = variantFixture("simplified")
tb.join("alice")
tb.join("bob")
w = &testWallet{chips: 1000}
tb.bet("alice", "pass", 10, w)
if text := crapsEventText(tb.syncRoundClock()); strings.Contains(text, "10 ticks") {
t.Fatal("simplified opened a manual betting window", text)
}
tb.advance(3)
if tb.dice == [2]int{} {
t.Fatal("multiplayer countdown did not roll")
}
}
func TestSimplifiedCrapsCommandsHideRollAndRebet(t *testing.T) {
tb := variantFixture("simplified")
tb.join("alice")
w := &testWallet{chips: 100}
tb.bet("alice", "pass", 10, w)
tb.advance(3)
cmds := tb.commands("alice")
for _, c := range cmds {
if c.Command == "roll" || c.Command == "autoroll" {
t.Fatal("simplified offered a roll command", c)
}
}
joined := make([]string, len(cmds))
for i, c := range cmds {
joined[i] = c.Command
}
if strings.Contains(strings.Join(joined, "|"), "on pass") {
t.Fatal("simplified bet command still names a target", joined)
}
spot, amount := tb.rebet("alice")
if spot != "pass" || amount != 10 {
t.Fatal("bare bet must rebet the last wager", spot, amount)
}
}
func TestSimplifiedCrapsBetDefaultsToPass(t *testing.T) {
tb := variantFixture("simplified")
tb.join("alice")
w := &testWallet{chips: 100}
tb.bet("alice", "", 10, w)
bets := tb.players.get("alice").bets
if len(bets) != 1 || bets[0].kind != "pass" {
t.Fatal("targetless bet did not land on pass", bets)
}
}
|
