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package jsoniter
import (
"encoding/json"
"fmt"
"testing"
"github.com/json-iterator/go/require"
"bytes"
)
func Test_empty_object(t *testing.T) {
iter := ParseString(`{}`)
field := iter.ReadObject()
if field != "" {
t.Fatal(field)
}
}
func Test_one_field(t *testing.T) {
iter := ParseString(`{"a": "b"}`)
field := iter.ReadObject()
if field != "a" {
fmt.Println(iter.Error)
t.Fatal(field)
}
value := iter.ReadString()
if value != "b" {
t.Fatal(field)
}
field = iter.ReadObject()
if field != "" {
t.Fatal(field)
}
}
func Test_two_field(t *testing.T) {
iter := ParseString(`{ "a": "b" , "c": "d" }`)
field := iter.ReadObject()
if field != "a" {
t.Fatal(field)
}
value := iter.ReadString()
if value != "b" {
t.Fatal(field)
}
field = iter.ReadObject()
if field != "c" {
t.Fatal(field)
}
value = iter.ReadString()
if value != "d" {
t.Fatal(field)
}
field = iter.ReadObject()
if field != "" {
t.Fatal(field)
}
iter = ParseString(`{"field1": "1", "field2": 2}`)
for field := iter.ReadObject(); field != ""; field = iter.ReadObject() {
switch field {
case "field1":
iter.ReadString()
case "field2":
iter.ReadInt64()
default:
iter.reportError("bind object", "unexpected field")
}
}
}
func Test_write_object(t *testing.T) {
should := require.New(t)
buf := &bytes.Buffer{}
stream := NewStream(buf, 4096)
stream.IndentionStep = 2
stream.WriteObjectStart()
stream.WriteObjectField("hello")
stream.WriteInt(1)
stream.WriteMore()
stream.WriteObjectField("world")
stream.WriteInt(2)
stream.WriteObjectEnd()
stream.Flush()
should.Nil(stream.Error)
should.Equal("{\n hello:1,\n world:2\n}", buf.String())
}
type TestObj struct {
Field1 string
Field2 uint64
}
func Benchmark_jsoniter_object(b *testing.B) {
for n := 0; n < b.N; n++ {
iter := ParseString(`{"field1": "1", "field2": 2}`)
obj := TestObj{}
for field := iter.ReadObject(); field != ""; field = iter.ReadObject() {
switch field {
case "field1":
obj.Field1 = iter.ReadString()
case "field2":
obj.Field2 = iter.ReadUint64()
default:
iter.reportError("bind object", "unexpected field")
}
}
}
}
func Benchmark_json_object(b *testing.B) {
for n := 0; n < b.N; n++ {
result := TestObj{}
json.Unmarshal([]byte(`{"field1": "1", "field2": 2}`), &result)
}
}