Fix unmarshaling struct with interface field which is a pointer to a struct (part 2: test)

tests/basic_test.go

@@ -156,3 +156,15 @@ func TestUnderflowArray(t *testing.T) {
 		t.Errorf("Unmarshal(%v) = %+v; want %+v", arrayUnderflowString, a, arrayUnderflowValue)
 	}
 }
+
+func TestUnmarshalStructWithEmbeddedPtrStruct(t *testing.T) {
+	var s = StructWithInterface{Field2: &EmbeddedStruct{}}
+	var err error
+	err = easyjson.Unmarshal([]byte(structWithInterfaceString), &s)
+	if err != nil {
+		t.Errorf("easyjson.Unmarshal() error: %v", err)
+	}
+	if !reflect.DeepEqual(s, structWithInterfaceValueFilled) {
+		t.Errorf("easyjson.Unmarshal() = %#v; want %#v", s, structWithInterfaceValueFilled)
+	}
+}

tests/data.go

@@ -624,3 +624,17 @@ type RequiredOptionalStruct struct {
 	FirstName string `json:"first_name,required"`
 	Lastname  string `json:"last_name"`
 }
+
+type StructWithInterface struct {
+	Field1 int         `json:"f1"`
+	Field2 interface{} `json:"f2"`
+	Field3 string      `json:"f3"`
+}
+
+type EmbeddedStruct struct {
+	Field1 int    `json:"f1"`
+	Field2 string `json:"f2"`
+}
+
+var structWithInterfaceString = `{"f1":1,"f2":{"f1":11,"f2":"22"},"f3":"3"}`
+var structWithInterfaceValueFilled = StructWithInterface{1, &EmbeddedStruct{11, "22"}, "3"}