Fix parsing empty json object. (#4868)

* Fix parsing empty json object. * Better error message.
2019-09-18 03:31:46 -04:00
parent 006eb80578
commit 57106a3459
2 changed files with 29 additions and 2 deletions
--- a/tests/cpp/common/test_json.cc
+++ b/tests/cpp/common/test_json.cc
@@ -214,6 +214,20 @@ TEST(Json, Null) {
  ASSERT_TRUE(IsA<Null>(json["key"]));
 }

+TEST(Json, EmptyObject) {
+  std::string str = R"json(
+{
+  "rank": 1,
+  "statistic": {
+
+  }
+}
+)json";
+  std::stringstream iss(str);
+  auto json = Json::Load(StringView{str.c_str(), str.size()});
+  ASSERT_TRUE(IsA<Object>(json["statistic"]));
+}
+
 TEST(Json, EmptyArray) {
  std::string str = R"json(
 {