Handle groups in C# JsonParser (protocolbuffers#16970)

Fixes protocolbuffers#16968 Closes protocolbuffers#16970 COPYBARA_INTEGRATE_REVIEW=protocolbuffers#16970 from CommonGuy:main b008e18 PiperOrigin-RevId: 638578696
deannagarcia · Jun 20, 2024 · ba9c8bc · ba9c8bc
1 parent 1f3fac3
commit ba9c8bc
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/csharp/src/Google.Protobuf.Test/JsonParserTest.cs b/csharp/src/Google.Protobuf.Test/JsonParserTest.cs
@@ -995,6 +995,16 @@ public void Proto2_DefaultValuesPreserved()
             Assert.AreEqual(0, parsed.FieldName13);
         }
 
+        [Test]
+        public void Proto2_Group()
+        {
+            string json = "{ \"data\": { \"groupInt32\": 2, \"groupUint32\": 3 } }";
+            var parsed = TestAllTypesProto2.Parser.ParseJson(json);
+            Assert.True(parsed.HasData);
+            Assert.AreEqual(2, parsed.Data.GroupInt32);
+            Assert.AreEqual(3, parsed.Data.GroupUint32);
+        }
+
         [Test]
         [TestCase("5")]
         [TestCase("\"text\"")]

diff --git a/csharp/src/Google.Protobuf/JsonParser.cs b/csharp/src/Google.Protobuf/JsonParser.cs
@@ -330,7 +330,7 @@ private bool TryParseSingleValue(FieldDescriptor field, JsonTokenizer tokenizer,
             }
 
             var fieldType = field.FieldType;
-            if (fieldType == FieldType.Message)
+            if (fieldType == FieldType.Message || fieldType == FieldType.Group)
             {
                 // Parse wrapper types as their constituent types.
                 // TODO: What does this mean for null?