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package test
import (
"encoding/json"
"fmt"
"math/big"
"time"
)
func init() {
var pRawMessage = func(val json.RawMessage) *json.RawMessage {
return &val
}
nilMap := map[string]string(nil)
marshalCases = append(marshalCases,
map[string]interface{}{"abc": 1},
map[string]MyInterface{"hello": MyString("world")},
map[*big.Float]string{big.NewFloat(1.2): "2"},
map[string]interface{}{
"3": 3,
"1": 1,
"2": 2,
},
map[uint64]interface{}{
uint64(1): "a",
uint64(2): "a",
uint64(4): "a",
},
nilMap,
&nilMap,
map[string]*json.RawMessage{"hello": pRawMessage(json.RawMessage("[]"))},
map[Date]bool{{}: true},
map[Date2]bool{{}: true},
map[customKey]string{customKey(1): "bar"},
)
unmarshalCases = append(unmarshalCases, unmarshalCase{
ptr: (*map[string]string)(nil),
input: `{"k\"ey": "val"}`,
}, unmarshalCase{
ptr: (*map[string]string)(nil),
input: `null`,
}, unmarshalCase{
ptr: (*map[string]*json.RawMessage)(nil),
input: "{\"test\":[{\"key\":\"value\"}]}",
}, unmarshalCase{
ptr: (*map[Date]bool)(nil),
input: `{
"2018-12-12": true,
"2018-12-13": true,
"2018-12-14": true
}`,
}, unmarshalCase{
ptr: (*map[Date2]bool)(nil),
input: `{
"2018-12-12": true,
"2018-12-13": true,
"2018-12-14": true
}`,
}, unmarshalCase{
ptr: (*map[customKey]string)(nil),
input: `{"foo": "bar"}`,
})
}
type MyInterface interface {
Hello() string
}
type MyString string
func (ms MyString) Hello() string {
return string(ms)
}
type Date struct {
time.Time
}
func (d *Date) UnmarshalJSON(b []byte) error {
dateStr := string(b) // something like `"2017-08-20"`
if dateStr == "null" {
return nil
}
t, err := time.Parse(`"2006-01-02"`, dateStr)
if err != nil {
return fmt.Errorf("cant parse date: %#v", err)
}
d.Time = t
return nil
}
func (d *Date) MarshalJSON() ([]byte, error) {
return []byte(d.Time.Format("2006-01-02")), nil
}
type Date2 struct {
time.Time
}
func (d Date2) UnmarshalJSON(b []byte) error {
dateStr := string(b) // something like `"2017-08-20"`
if dateStr == "null" {
return nil
}
t, err := time.Parse(`"2006-01-02"`, dateStr)
if err != nil {
return fmt.Errorf("cant parse date: %#v", err)
}
d.Time = t
return nil
}
func (d Date2) MarshalJSON() ([]byte, error) {
return []byte(d.Time.Format("2006-01-02")), nil
}
type customKey int32
func (c customKey) MarshalText() ([]byte, error) {
return []byte("foo"), nil
}
func (c *customKey) UnmarshalText(value []byte) error {
*c = 1
return nil
}
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