diff --git a/single_file_tests/json.go b/single_file_tests/json.go
index 6555759..744c10a 100644
--- a/single_file_tests/json.go
+++ b/single_file_tests/json.go
@@ -6,14 +6,24 @@ import (
 )
 
 type Test struct {
-	Name string `json:"name"`
-	Age  int32  `json:"age"`
+	Name      string `json:"name"`
+	Name2     string `json:"name2"`
+	Name3     string `json:"name3,omitempty"`
+	Age       int32  `json:"age"`
+	NotSer    string `json:"-"`
+	Bool      bool   `json:"bool"`
+	BoolInStr bool   `json:"bool_in_str,string"`
 }
 
 func main() {
 	t := Test {
 		Name: "hatter",
+		Name2: "",
+		Name3: "",
 		Age: 18,
+		NotSer: "not ser!",
+		Bool: true,
+		BoolInStr: true,
 	}
 	s, err := json.Marshal(t)
 	if err != nil {