From d59592af61852023f549e91683ade4f062c2df83 Mon Sep 17 00:00:00 2001
From: Jie Luo <jieluo@google.com>
Date: Fri, 10 Mar 2017 16:55:35 -0800
Subject: DefaultValueObjectWriter should populate oneof message field

---
 src/google/protobuf/util/json_util_test.cc | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'src/google/protobuf/util/json_util_test.cc')

diff --git a/src/google/protobuf/util/json_util_test.cc b/src/google/protobuf/util/json_util_test.cc
index b0c2f494..53c8a0f8 100644
--- a/src/google/protobuf/util/json_util_test.cc
+++ b/src/google/protobuf/util/json_util_test.cc
@@ -51,6 +51,7 @@ using proto3::FOO;
 using proto3::BAR;
 using proto3::TestMessage;
 using proto3::TestMap;
+using proto3::TestOneof;
 using testing::MapIn;
 
 static const char kTypeUrlPrefix[] = "type.googleapis.com";
@@ -232,6 +233,21 @@ TEST_F(JsonUtilTest, ParsePrimitiveMapIn) {
   EXPECT_EQ(message.DebugString(), other.DebugString());
 }
 
+TEST_F(JsonUtilTest, PrintPrimitiveOneof) {
+  TestOneof message;
+  JsonPrintOptions options;
+  options.always_print_primitive_fields = true;
+  message.mutable_oneof_message_value();
+  EXPECT_EQ(
+      "{\"oneofMessageValue\":{\"value\":0}}",
+      ToJson(message, options));
+
+  message.set_oneof_int32_value(1);
+  EXPECT_EQ(
+      "{\"oneofInt32Value\":1}",
+      ToJson(message, options));
+}
+
 TEST_F(JsonUtilTest, TestParseIgnoreUnknownFields) {
   TestMessage m;
   JsonParseOptions options;
-- 
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