package json

import (
	"fmt"
	"testing"
)

type testStruct1 struct {
	TS2 *testStruct2 `json:"ts2"`
}

type testStruct2 struct {
	A string `json:"a"`
}

func (t *testStruct2) PreGoJsonMarshal() {
	t.A = "Hello"
}

func TestGoextJsonMarshaller(t *testing.T) {
	t1 := testStruct1{TS2: &testStruct2{}}

	v, err := Marshal(t1)
	if err != nil {
		t.Fatal()
	}

	fmt.Printf("%s\n", v)

	if string(v) != `{"ts2":{"a":"Hello"}}` {
		t.Fatalf("PreGoJsonMarshal failed")
	}

	if t1.TS2.A != "Hello" {
		t.Fatalf("PreGoJsonMarshal failed")
	}
}