support skip

jsoniter_skip_test.go

@@ -0,0 +1,138 @@
+package jsoniter
+
+import (
+	"testing"
+	"encoding/json"
+)
+
+func Test_skip_string(t *testing.T) {
+	iter := ParseString(`["a", "b"]`)
+	iter.ReadArray()
+	iter.Skip()
+	iter.ReadArray()
+	if iter.ReadString() != "b" {
+		t.FailNow()
+	}
+}
+
+func Test_skip_string_with_escape(t *testing.T) {
+	iter := ParseString(`["a\"", "b"]`)
+	iter.ReadArray()
+	iter.Skip()
+	iter.ReadArray()
+	if iter.ReadString() != "b" {
+		t.FailNow()
+	}
+}
+
+func Test_skip_number(t *testing.T) {
+	iter := ParseString(`[-0.12, "b"]`)
+	iter.ReadArray()
+	iter.Skip()
+	iter.ReadArray()
+	if iter.ReadString() != "b" {
+		t.FailNow()
+	}
+}
+
+func Test_skip_array(t *testing.T) {
+	iter := ParseString(`[[1, [2, [3], 4]], "b"]`)
+	iter.ReadArray()
+	iter.Skip()
+	iter.ReadArray()
+	if iter.ReadString() != "b" {
+		t.FailNow()
+	}
+}
+
+func Test_skip_object(t *testing.T) {
+	iter := ParseString(`[ {"a" : {"b": "c"}, "d": 102 }, "b"]`)
+	iter.ReadArray()
+	iter.Skip()
+	iter.ReadArray()
+	if iter.ReadString() != "b" {
+		t.FailNow()
+	}
+}
+
+func Test_skip_nested(t *testing.T) {
+	iter := ParseString(`[ {"a" : [{"b": "c"}], "d": 102 }, "b"]`)
+	iter.ReadArray()
+	iter.Skip()
+	iter.ReadArray()
+	if iter.ReadString() != "b" {
+		t.FailNow()
+	}
+}
+
+type TestResp struct {
+	Code uint64
+}
+
+func Benchmark_jsoniter_skip(b *testing.B) {
+	for n := 0; n < b.N; n++ {
+		result := TestResp{}
+		iter := ParseString(`
+{
+    "_shards":{
+        "total" : 5,
+        "successful" : 5,
+        "failed" : 0
+    },
+    "code": 200,
+    "hits":{
+        "total" : 1,
+        "hits" : [
+            {
+                "_index" : "twitter",
+                "_type" : "tweet",
+                "_id" : "1",
+                "_source" : {
+                    "user" : "kimchy",
+                    "postDate" : "2009-11-15T14:12:12",
+                    "message" : "trying out Elasticsearch"
+                }
+            }
+        ]
+    }
+}`)
+		for field := iter.ReadObject(); field != ""; field = iter.ReadObject() {
+			switch field {
+			case "code":
+				result.Code = iter.ReadUint64()
+			default:
+				iter.Skip()
+			}
+		}
+	}
+}
+
+func Benchmark_json_skip(b *testing.B) {
+	for n := 0; n < b.N; n++ {
+		result := TestResp{}
+		json.Unmarshal([]byte(`
+{
+    "_shards":{
+        "total" : 5,
+        "successful" : 5,
+        "failed" : 0
+    },
+    "code": 200,
+    "hits":{
+        "total" : 1,
+        "hits" : [
+            {
+                "_index" : "twitter",
+                "_type" : "tweet",
+                "_id" : "1",
+                "_source" : {
+                    "user" : "kimchy",
+                    "postDate" : "2009-11-15T14:12:12",
+                    "message" : "trying out Elasticsearch"
+                }
+            }
+        ]
+    }
+}`), &result)
+	}
+}