test nested

jsoniter_nested_test.go

@@ -0,0 +1,84 @@
+package jsoniter
+
+import (
+	"testing"
+	"reflect"
+	"encoding/json"
+)
+
+type Level1 struct {
+	Hello []Level2
+}
+
+type Level2 struct {
+	World string
+}
+
+func Test_nested(t *testing.T) {
+	iter := ParseString(`{"hello": [{"world": "value1"}, {"world": "value2"}]}`)
+	l1 := Level1{}
+	for l1Field := iter.ReadObject(); l1Field != ""; l1Field = iter.ReadObject() {
+		switch l1Field {
+		case "hello":
+			l2Array := []Level2{}
+			for iter.ReadArray() {
+				l2 := Level2{}
+				for l2Field := iter.ReadObject(); l2Field != ""; l2Field = iter.ReadObject() {
+					switch l2Field {
+					case "world":
+						l2.World = iter.ReadString()
+					default:
+						iter.ReportError("bind l2", "unexpected field: " + l2Field)
+					}
+				}
+				l2Array = append(l2Array, l2)
+			}
+			l1.Hello = l2Array
+		default:
+			iter.ReportError("bind l1", "unexpected field: " + l1Field)
+		}
+	}
+	if !reflect.DeepEqual(l1, Level1{
+		Hello: []Level2{
+			{World: "value1"},
+			{World: "value2"},
+		},
+	}) {
+		t.Fatal(l1)
+	}
+}
+
+func Benchmark_jsoniter_nested(b *testing.B) {
+	for n := 0; n < b.N; n++ {
+		iter := ParseString(`{"hello": [{"world": "value1"}, {"world": "value2"}]}`)
+		l1 := Level1{}
+		for l1Field := iter.ReadObject(); l1Field != ""; l1Field = iter.ReadObject() {
+			switch l1Field {
+			case "hello":
+				l2Array := make([]Level2, 0, 2)
+				for iter.ReadArray() {
+					l2 := Level2{}
+					for l2Field := iter.ReadObject(); l2Field != ""; l2Field = iter.ReadObject() {
+						switch l2Field {
+						case "world":
+							l2.World = iter.ReadString()
+						default:
+							iter.ReportError("bind l2", "unexpected field: " + l2Field)
+						}
+					}
+					l2Array = append(l2Array, l2)
+				}
+				l1.Hello = l2Array
+			default:
+				iter.ReportError("bind l1", "unexpected field: " + l1Field)
+			}
+		}
+	}
+}
+
+func Benchmark_json_nested(b *testing.B) {
+	for n := 0; n < b.N; n++ {
+		l1 := Level1{}
+		json.Unmarshal([]byte(`{"hello": [{"world": "value1"}, {"world": "value2"}]}`), &l1)
+	}
+}