Add test cases for non-escaped mode of member names

Makefile

@@ -20,7 +20,9 @@ generate: build
 		./tests/reference_to_pointer.go \
 		./tests/html.go \
 		./tests/unknown_fields.go \
-		./tests/type_declaration.go
+		./tests/type_declaration.go \
+		./tests/members_escaped.go \
+		./tests/members_unescaped.go \
 
 	bin/easyjson -all ./tests/data.go
 	bin/easyjson -all ./tests/nothing.go
@@ -38,6 +40,8 @@ generate: build
 	bin/easyjson -disallow_unknown_fields ./tests/disallow_unknown.go
 	bin/easyjson ./tests/unknown_fields.go
 	bin/easyjson ./tests/type_declaration.go
+	bin/easyjson ./tests/members_escaped.go
+	bin/easyjson -disable_members_unescape ./tests/members_unescaped.go
 
 test: generate
 	go test \

README.md

@@ -57,6 +57,8 @@ Usage of easyjson:
     	only generate stubs for marshaler/unmarshaler funcs
   -disallow_unknown_fields
         return error if some unknown field in json appeared
+  -disable_members_unescape
+        disable unescaping of \uXXXX string sequences in member names
 ```
 
 Using `-all` will generate marshalers/unmarshalers for all Go structs in the
@@ -78,6 +80,14 @@ Additional option notes:
 
 * `-build_tags` will add the specified build tags to generated Go sources.
 
+## Structure json tag options
+
+Besides standart json tag options like 'omitempty' the following are supported:
+
+* 'noclone' - disables allocation and copying of string values, making them
+  refer to original json buffer memory. This works great for short lived
+  objects which are not hold in memory after decoding and immediate usage.
+
 ## Generated Marshaler/Unmarshaler Funcs
 
 For Go struct types, easyjson generates the funcs `MarshalEasyJSON` /

tests/members_escaped.go

@@ -0,0 +1,6 @@
+package tests
+
+//easyjson:json
+type MembersEscaped struct {
+	A string `json:"漢語"`
+}

tests/members_escaping_test.go

@@ -0,0 +1,51 @@
+package tests
+
+import (
+	"reflect"
+	"testing"
+
+	"github.com/mailru/easyjson"
+)
+
+func TestMembersEscaping(t *testing.T) {
+	cases := []struct {
+		data  string
+		esc   MembersEscaped
+		unesc MembersUnescaped
+	}{
+		{
+			data:  `{"漢語": "中国"}`,
+			esc:   MembersEscaped{A: "中国"},
+			unesc: MembersUnescaped{A: "中国"},
+		},
+		{
+			data:  `{"漢語": "\u4e2D\u56fD"}`,
+			esc:   MembersEscaped{A: "中国"},
+			unesc: MembersUnescaped{A: "中国"},
+		},
+		{
+			data:  `{"\u6f22\u8a9E": "中国"}`,
+			esc:   MembersEscaped{A: "中国"},
+			unesc: MembersUnescaped{A: ""},
+		},
+		{
+			data:  `{"\u6f22\u8a9E": "\u4e2D\u56fD"}`,
+			esc:   MembersEscaped{A: "中国"},
+			unesc: MembersUnescaped{A: ""},
+		},
+	}
+
+	for i, c := range cases {
+		var esc MembersEscaped
+		easyjson.Unmarshal([]byte(c.data), &esc)
+		if !reflect.DeepEqual(esc, c.esc) {
+			t.Errorf("[%d] TestMembersEscaping(): got=%+v, exp=%+v", i, esc, c.esc)
+		}
+
+		var unesc MembersUnescaped
+		easyjson.Unmarshal([]byte(c.data), &unesc)
+		if !reflect.DeepEqual(unesc, c.unesc) {
+			t.Errorf("[%d] TestMembersEscaping(): no-unescaping case: got=%+v, exp=%+v", i, esc, c.esc)
+		}
+	}
+}

tests/members_unescaped.go

@@ -0,0 +1,6 @@
+package tests
+
+//easyjson:json
+type MembersUnescaped struct {
+	A string `json:"漢語"`
+}