tuple immutable

tuple_test.go

@@ -1,6 +1,9 @@
 package extypes
 
-import "testing"
+import (
+	"encoding/json"
+	"testing"
+)
 
 func TestTuple(t *testing.T) {
 	t1 := NewTupleFrom([]int{1, 2, 3})
@@ -10,3 +13,37 @@ func TestTuple(t *testing.T) {
 		t.Error("t1 and t2 should be equal")
 	}
 }
+func TestTuple_MarshalJSON(t *testing.T) {
+	t1 := NewTupleFrom([]int{1, 2, 3})
+	data, err := json.Marshal(t1)
+	if err != nil {
+		t.Fatal(err)
+	}
+	s := "[1,2,3]"
+	if string(data) != s {
+		t.Error("t1 and t2 should be equal")
+	}
+}
+func TestTuple_UnmarshalJSON(t *testing.T) {
+	s := "[1,2,3]"
+	t1 := NewTuple[int]()
+	err := json.Unmarshal([]byte(s), &t1)
+	if err != nil {
+		t.Fatal(err)
+	}
+	t2 := NewTupleFrom([]int{1, 2, 3})
+	t.Log(t1, t2)
+	if !t1.Equal(t2) {
+		t.Error("t1 and t2 should be equal")
+	}
+
+	st1 := struct {
+		A int        `json:"a"`
+		B Tuple[int] `json:"b"`
+	}{}
+	s2 := `{"a":1,"b":[1,2,3]}`
+	if err := json.Unmarshal([]byte(s2), &st1); err != nil {
+		t.Fatal(err)
+	}
+	t.Log(st1)
+}