1 files changed, 51 insertions, 0 deletions
diff --git a/internal/casino/craps_regression_test.go b/internal/casino/craps_regression_test.go
new file mode 100644
index 0000000..322325c
--- /dev/null
+++ b/internal/casino/craps_regression_test.go
@@ -0,0 +1,51 @@
+package casino
+
+import (
+	"testing"
+)
+
+func TestCrapsLargestStakeAndOddsLimit(t *testing.T) {
+	tb := crapsFixture()
+	tb.Config.MaxBet = MaxCredits / 1000
+	tb.Config.Craps.Odds = 1000000
+	tb.join("a")
+	w := &testWallet{chips: MaxCredits}
+	amount := tb.Config.MaxBet
+	tb.bet("a", "pass", amount, w)
+	tb.resolveRoll(2, 2)
+	tb.bet("a", "odds pass", amount, w)
+	if len(w.open) != 2 {
+		t.Fatal("valid large odds rejected")
+	}
+}
+func TestCrapsHopIsUnordered(t *testing.T) {
+	tb := crapsFixture()
+	tb.join("a")
+	w := &testWallet{chips: 100}
+	tb.bet("a", "hop 3 2", 10, w)
+	tb.bet("a", "hop 2 3", 10, w)
+	if len(w.open) != 1 || w.chips != 90 {
+		t.Fatal("duplicate unordered hop accepted")
+	}
+	tb.action("a", "unbet hop 3 2")
+	if len(w.open) != 0 || w.paid != 10 || w.chips != 90 {
+		t.Fatal("reverse-order removal failed")
+	}
+}
+func TestCrapsMixedPairPreviewCombinesAllBets(t *testing.T) {
+	tb := crapsFixture()
+	tb.join("a")
+	w := &testWallet{chips: 1000}
+	tb.point = 8
+	tb.bet("a", "hard 8", 10, w)
+	tb.bet("a", "hop 2 3", 10, w)
+	tb.bet("a", "field", 10, w)
+	for _, row := range tb.projectionFor(tb.players.get("a")) {
+		if row.Rolls == "4+4" && row.Net != 70 {
+			t.Fatal("hard win minus hop and field losses", row)
+		}
+		if row.Rolls == "2+3" && row.Net != 140 {
+			t.Fatal("hop win minus field loss", row)
+		}
+	}
+}