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json-iterator/jsoniter_null_test.go
2017-06-17 21:32:48 +08:00

120 lines
2.6 KiB
Go

package jsoniter
import (
"bytes"
"encoding/json"
"github.com/json-iterator/go/require"
"testing"
)
func Test_read_null(t *testing.T) {
should := require.New(t)
iter := ParseString(ConfigDefault, `null`)
should.True(iter.ReadNil())
iter = ParseString(ConfigDefault, `null`)
should.Nil(iter.Read())
}
func Test_write_null(t *testing.T) {
should := require.New(t)
buf := &bytes.Buffer{}
stream := NewStream(ConfigDefault, buf, 4096)
stream.WriteNil()
stream.Flush()
should.Nil(stream.Error)
should.Equal("null", buf.String())
}
func Test_encode_null(t *testing.T) {
should := require.New(t)
str, err := MarshalToString(nil)
should.Nil(err)
should.Equal("null", str)
}
func Test_decode_null_object(t *testing.T) {
should := require.New(t)
iter := ParseString(ConfigDefault, `[null,"a"]`)
iter.ReadArray()
if iter.ReadObject() != "" {
t.FailNow()
}
iter.ReadArray()
if iter.ReadString() != "a" {
t.FailNow()
}
type TestObject struct {
Field string
}
objs := []TestObject{}
should.Nil(UnmarshalFromString("[null]", &objs))
should.Len(objs, 1)
}
func Test_decode_null_array(t *testing.T) {
iter := ParseString(ConfigDefault, `[null,"a"]`)
iter.ReadArray()
if iter.ReadArray() != false {
t.FailNow()
}
iter.ReadArray()
if iter.ReadString() != "a" {
t.FailNow()
}
}
func Test_decode_null_string(t *testing.T) {
should := require.New(t)
iter := ParseString(ConfigDefault, `[null,"a"]`)
should.True(iter.ReadArray())
should.Equal("", iter.ReadString())
should.True(iter.ReadArray())
should.Equal("a", iter.ReadString())
}
func Test_decode_null_skip(t *testing.T) {
iter := ParseString(ConfigDefault, `[null,"a"]`)
iter.ReadArray()
iter.Skip()
iter.ReadArray()
if iter.ReadString() != "a" {
t.FailNow()
}
}
func Test_encode_nil_map(t *testing.T) {
should := require.New(t)
type Ttest map[string]string
var obj1 Ttest
output, err := json.Marshal(obj1)
should.Nil(err)
should.Equal("null", string(output))
output, err = json.Marshal(&obj1)
should.Nil(err)
should.Equal("null", string(output))
output, err = Marshal(obj1)
should.Nil(err)
should.Equal("null", string(output))
output, err = Marshal(&obj1)
should.Nil(err)
should.Equal("null", string(output))
}
func Test_encode_nil_array(t *testing.T) {
should := require.New(t)
type Ttest []string
var obj1 Ttest
output, err := json.Marshal(obj1)
should.Nil(err)
should.Equal("null", string(output))
output, err = json.Marshal(&obj1)
should.Nil(err)
should.Equal("null", string(output))
output, err = Marshal(obj1)
should.Nil(err)
should.Equal("null", string(output))
output, err = Marshal(&obj1)
should.Nil(err)
should.Equal("null", string(output))
}