| # 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: insert links to corresponding bugs tracking the issue. | 
 | # Should we use GitHub issues or the Google-internal bug tracker? | 
 |  | 
 | Recommended.*.JsonInput.BoolFieldDoubleQuotedFalse                                                                 # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.BoolFieldDoubleQuotedTrue                                                                  # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.FieldNameDuplicate                                                                         # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.FieldNameDuplicateDifferentCasing1                                                         # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.FieldNameDuplicateDifferentCasing2                                                         # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.FieldNameNotQuoted                                                                         # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.MapFieldValueIsNull                                                                        # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.RepeatedFieldMessageElementIsNull                                                          # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.RepeatedFieldPrimitiveElementIsNull                                                        # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.RepeatedFieldTrailingComma                                                                 # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.RepeatedFieldTrailingCommaWithNewlines                                                     # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.RepeatedFieldTrailingCommaWithSpace                                                        # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.RepeatedFieldTrailingCommaWithSpaceCommaSpace                                              # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.StringFieldSingleQuoteBoth                                                                 # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.StringFieldSingleQuoteKey                                                                  # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.StringFieldSingleQuoteValue                                                                # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.StringFieldUppercaseEscapeLetter                                                           # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.TrailingCommaInAnObject                                                                    # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.TrailingCommaInAnObjectWithNewlines                                                        # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.TrailingCommaInAnObjectWithSpace                                                           # Should have failed to parse, but didn't. | 
 | Recommended.*.JsonInput.TrailingCommaInAnObjectWithSpaceCommaSpace                                                 # Should have failed to parse, but didn't. | 
 | Recommended.*.FieldMaskNumbersDontRoundTrip.JsonOutput                                                             # Should have failed to serialize, but didn't. | 
 | Recommended.*.FieldMaskPathsDontRoundTrip.JsonOutput                                                               # Should have failed to serialize, but didn't. | 
 | Recommended.*.FieldMaskTooManyUnderscore.JsonOutput                                                                # Should have failed to serialize, but didn't. | 
 | Recommended.*.JsonInput.FieldMaskInvalidCharacter                                                                  # Should have failed to parse, but didn't. | 
 | Required.*.JsonInput.SingleValueForRepeatedFieldInt32                                                              # Should have failed to parse, but didn't. | 
 | Required.*.JsonInput.SingleValueForRepeatedFieldMessage                                                            # Should have failed to parse, but didn't. | 
 |  |