in prog

src/game/rule/operation/suit_test.go

@@ -0,0 +1,24 @@
+package operation
+
+import (
+	"encoding/json"
+	"local/sandbox/cards/src/entity"
+	"testing"
+)
+
+func TestSuit(t *testing.T) {
+	var s Suit
+	if err := json.Unmarshal([]byte(`"heart"`), &s); err != nil {
+		t.Fatal(err)
+	} else if s != Heart {
+		t.Fatal(Heart, s)
+	} else if b, err := json.Marshal(s); err != nil {
+		t.Fatal(err)
+	} else if string(b) != `"heart"` {
+		t.Fatal(`"heart"`, string(b))
+	} else if card := (entity.Card{Suit: int(Heart)}); !s.Is(card) {
+		t.Fatal(true, s.Is(card))
+	} else if card := (entity.Card{Suit: int(Diamond)}); s.Is(card) {
+		t.Fatal(false, s.Is(card))
+	}
+}