| # This is the list of conformance tests that are known to fail for the C++ | 
 | # implementation right now.  These should be fixed. | 
 | # | 
 | # By listing them here we can keep tabs on which ones are failing and be sure | 
 | # that we don't introduce regressions in other tests. | 
 | # | 
 | # TODO(haberman): insert links to corresponding bugs tracking the issue. | 
 | # Should we use GitHub issues or the Google-internal bug tracker? | 
 |  | 
 | Recommended.FieldMaskNumbersDontRoundTrip.JsonOutput | 
 | Recommended.FieldMaskPathsDontRoundTrip.JsonOutput | 
 | Recommended.FieldMaskTooManyUnderscore.JsonOutput | 
 | Recommended.JsonInput.BoolFieldDoubleQuotedFalse | 
 | Recommended.JsonInput.BoolFieldDoubleQuotedTrue | 
 | Recommended.JsonInput.FieldMaskInvalidCharacter | 
 | Recommended.JsonInput.FieldNameDuplicate | 
 | Recommended.JsonInput.FieldNameDuplicateDifferentCasing1 | 
 | Recommended.JsonInput.FieldNameDuplicateDifferentCasing2 | 
 | Recommended.JsonInput.FieldNameNotQuoted | 
 | Recommended.JsonInput.MapFieldValueIsNull | 
 | Recommended.JsonInput.RepeatedFieldMessageElementIsNull | 
 | Recommended.JsonInput.RepeatedFieldPrimitiveElementIsNull | 
 | Recommended.JsonInput.RepeatedFieldTrailingComma | 
 | Recommended.JsonInput.RepeatedFieldTrailingCommaWithNewlines | 
 | Recommended.JsonInput.RepeatedFieldTrailingCommaWithSpace | 
 | Recommended.JsonInput.RepeatedFieldTrailingCommaWithSpaceCommaSpace | 
 | Recommended.JsonInput.StringFieldSingleQuoteBoth | 
 | Recommended.JsonInput.StringFieldSingleQuoteKey | 
 | Recommended.JsonInput.StringFieldSingleQuoteValue | 
 | Recommended.JsonInput.StringFieldUppercaseEscapeLetter | 
 | Recommended.JsonInput.TrailingCommaInAnObject | 
 | Recommended.JsonInput.TrailingCommaInAnObjectWithNewlines | 
 | Recommended.JsonInput.TrailingCommaInAnObjectWithSpace | 
 | Recommended.JsonInput.TrailingCommaInAnObjectWithSpaceCommaSpace | 
 | Required.ProtobufInput.PrematureEofInDelimitedDataForKnownNonRepeatedValue.MESSAGE | 
 | Required.ProtobufInput.PrematureEofInDelimitedDataForKnownRepeatedValue.MESSAGE | 
 | Required.ProtobufInput.PrematureEofInPackedField.BOOL | 
 | Required.ProtobufInput.PrematureEofInPackedField.ENUM | 
 | Required.ProtobufInput.PrematureEofInPackedField.INT32 | 
 | Required.ProtobufInput.PrematureEofInPackedField.INT64 | 
 | Required.ProtobufInput.PrematureEofInPackedField.SINT32 | 
 | Required.ProtobufInput.PrematureEofInPackedField.SINT64 | 
 | Required.ProtobufInput.PrematureEofInPackedField.UINT32 | 
 | Required.ProtobufInput.PrematureEofInPackedField.UINT64 |