// code placeholder



import (
    "testing"


    "github.com/mongodb/mongo-go-driver/bson"
    "github.com/stretchr/testify/require"
)

func TestStructBson(t *testing.T) {
    type ts struct {
        Value interface{}
    }

    valMap := map[string]interface{}\{"a": 1}
    instance := ts\{Value: valMap}

    instanceByte, err := bson.Marshal(instance)
    require.NoError(t, err)

    var newInstance ts
    err = bson.Unmarshal(instanceByte, &newInstance)
    require.NoError(t, err)

    var i interface{}
    err = bson.Unmarshal(instanceByte, &i)
    require.NoError(t, err)

    t.Errorf("%v %v", instance.Value, newInstance.Value)
}