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package casino
import (
"sync"
"testing"
"time"
)
// rebet is called through Manager.Rebet and reads the seat map; it must take
// the table lock like every other game method, or a future caller off the
// owner goroutine would race the live seat state.
func TestRebetTakesTheTableLock(t *testing.T) {
blackjack := newBlackjackTable(1, TableConfig{ID: "blackjack", Game: GameBlackjack}, newTestRand())
blackjack.join("alice")
assertRebetWaitsForLock(t, "blackjack", &blackjack.mu, func() { blackjack.rebet("alice") })
baccarat := newBaccaratTable(1, TableConfig{ID: "baccarat", Game: GameBaccarat}, newTestRand())
baccarat.join("alice")
assertRebetWaitsForLock(t, "baccarat", &baccarat.mu, func() { baccarat.rebet("alice") })
}
func assertRebetWaitsForLock(t *testing.T, name string, mu *sync.Mutex, rebet func()) {
t.Helper()
mu.Lock()
done := make(chan struct{})
go func() {
rebet()
close(done)
}()
select {
case <-done:
mu.Unlock()
t.Fatalf("%s rebet read the seat map without the table lock", name)
case <-time.After(50 * time.Millisecond):
}
mu.Unlock()
select {
case <-done:
case <-time.After(2 * time.Second):
t.Fatalf("%s rebet did not return after the lock was released", name)
}
}
// A lone connected player is deliberately never timed out by the action
// window. The absolute turn ceiling must therefore end that turn, or a
// hung-but-connected client holds the hand, the seat, and the stake forever
// (leave refuses mid-round).
func TestLoneBettorTurnCeilingSettlesTheHand(t *testing.T) {
table := newBlackjackTable(1, TableConfig{ID: "blackjack", Game: GameBlackjack,
Blackjack: BlackjackConfig{ActionTicks: 2}}, newTestRand())
table.shoe = tableauShoe(
card{rank: "10"}, card{rank: "7"}, // dealer 17
card{rank: "10"}, card{rank: "6"}, // alice 16
)
wallet := &testWallet{credits: 100}
table.join("alice")
table.bet("alice", "", 10, wallet)
if table.phase != blackjackPlaying {
t.Fatalf("setup: expected a dealt hand (phase=%s)", table.phase)
}
// The action timer alone would have expired after two ticks, but the
// lone bettor gets the full grace period: 10x the action window.
ceiling := table.Rules.ActionTicks * loneTurnGrace
for i := 0; i < ceiling-1; i++ {
table.tick()
}
if table.phase != blackjackPlaying {
t.Fatalf("lone bettor's hand ended before the turn ceiling (phase=%s, ceiling=%d)", table.phase, ceiling)
}
events := table.tick()
if table.phase != blackjackWaiting {
t.Fatalf("turn ceiling did not settle the hand: phase=%s events=%+v", table.phase, events)
}
if !hasMessage(events, "idle too long") {
t.Fatalf("missing turn-ceiling message: %+v", events)
}
if len(wallet.open) != 0 {
t.Fatalf("stake still committed after the ceiling stood the hand: %+v", wallet.open)
}
}
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