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Examples of errors detected by the V312…

Examples of errors detected by the V3127 diagnostic

April 5, 2021

V3127. Two similar code fragments were found. Perhaps, this is a typo and 'X' variable should be used instead of 'Y'.


Media Portal 2

V3127 Two similar code fragments were found. Perhaps, this is a typo and 'AllocinebId' variable should be used instead of 'CinePassionId' MovieRelationshipExtractor.cs 126


if (movie.CinePassionId > 0)
  ids.Add(ExternalIdentifierAspect.SOURCE_CINEPASSION,
    movie.CinePassionId.ToString());
if (movie.CinePassionId > 0) // <=
  ids.Add(ExternalIdentifierAspect.SOURCE_ALLOCINE,
    movie.AllocinebId.ToString());

Similar errors can be found in some other places:

  • V3127 Two similar code fragments were found. Perhaps, this is a typo and 'attrY' variable should be used instead of 'attrX' AbstractSortByComparableValueAttribute.cs 94
  • V3127 Two similar code fragments were found. Perhaps, this is a typo and 'X' variable should be used instead of 'Y' Point2DList.cs 935
  • V3127 Two similar code fragments were found. Perhaps, this is a typo and 'Y' variable should be used instead of 'X' PointAnimation.cs 125

Roslyn Analyzers

V3127 Two similar code fragments were found. Perhaps, this is a typo and 'leadingTrivia' variable should be used instead of 'trailingTrivia' UseLiteralsWhereAppropriate.Fixer.cs 76


private async Task<Document> ToConstantDeclarationAsync(...)
{
  ....
  if (leadingTrivia.Count == 0 && trailingTrivia.Count == 0)
  {
     leadingTrivia = leadingTrivia.AddRange(modifier.LeadingTrivia);
     trailingTrivia = trailingTrivia.AddRange(modifier.TrailingTrivia);
  }
  else
  {
     trailingTrivia = trailingTrivia.AddRange(modifier.LeadingTrivia);  // <=
     trailingTrivia = trailingTrivia.AddRange(modifier.TrailingTrivia); // <=
     ....
  }
....
}

Telerik UI for UWP

V3127 Two similar code fragments were found. Perhaps, this is a typo and 'emptyIconContainer' variable should be used instead of 'filledIconContainer' RadRatingItem.cs 240


protected override void OnApplyTemplate()
{
  ....

  this.filledIconContainer = this.GetTemplateChild("FilledIconContainer")
                               as Border;
  if (this.filledIconContainer == null)
  {
    throw new MissingTemplatePartException("FilledIconContainer",
                                            typeof(Border));
  }

  this.emptyIconContainer = this.GetTemplateChild(EmptyIconContainer")
                              as Border;
  if (this.filledIconContainer == null)                   // <=
  {
    throw new MissingTemplatePartException("EmptyIconContainer",
                                            typeof(Border));
  }

  this.Initialize();
}

Orchard CMS

V3127 Two similar code fragments were found. Perhaps, this is a typo and 'AccessTokenSecret' variable should be used instead of 'ConsumerSecret' TwitterClientMessageHandler.cs 52


public async Task ConfigureOAuthAsync(HttpRequestMessage request)
{
  ....
  if (!string.IsNullOrWhiteSpace(settings.ConsumerSecret))
    settings.ConsumerSecret =
      protrector.Unprotect(settings.ConsumerSecret);
  if (!string.IsNullOrWhiteSpace(settings.ConsumerSecret))
    settings.AccessTokenSecret =
      protrector.Unprotect(settings.AccessTokenSecret);
  ....
}

OpenCvSharp

V3127 Two similar code fragments were found. Perhaps, this is a typo and 'window' variable should be used instead of 'src2' Cv2_imgproc.cs 1547


public static Point2d PhaseCorrelateRes(....)
{
  if (src1 == null)
    throw new ArgumentNullException(nameof(src1));
  if (src2 == null)
    throw new ArgumentNullException(nameof(src2));
  if (window == null)
    throw new ArgumentNullException(nameof(src2));   // <=
  ....
}

RavenDB

V3127 Two similar code fragments were found. Perhaps, this is a typo. SmugglerResult.cs(256), SmugglerResult.cs(253) Raven.Client


public override void WriteTo(StringBuilder writer)
{
  ....
  if (SqlConnectionStringsUpdated)
    json[nameof(SqlConnectionStringsUpdated)] = SqlConnectionStringsUpdated;

  if (ClientConfigurationUpdated)
    json[nameof(ClientConfigurationUpdated)] = ClientConfigurationUpdated;

  if (ConflictSolverConfigUpdated)
    json[nameof(ConflictSolverConfigUpdated)] = ClientConfigurationUpdated;

  if (PeriodicBackupsUpdated)
    json[nameof(PeriodicBackupsUpdated)] = PeriodicBackupsUpdated;

  if (ExternalReplicationsUpdated)
    json[nameof(ExternalReplicationsUpdated)] = ExternalReplicationsUpdated;
  ....
}

OpenRA

V3127 Two similar code fragments were found. Perhaps, this is a typo and 'oldMapRamp' variable should be used instead of 'oldMapHeight' Map.cs 964


public void Resize(int width, int height)
{
  var oldMapTiles = Tiles;
  var oldMapResources = Resources;
  var oldMapHeight = Height;
  var oldMapRamp = Ramp;
  var newSize = new Size(width, height);

  ....
  Tiles = CellLayer.Resize(oldMapTiles, newSize, oldMapTiles[MPos.Zero]);
  Resources = CellLayer.Resize(
    oldMapResources,
    newSize,
    oldMapResources[MPos.Zero]
  );
  Height = CellLayer.Resize(oldMapHeight, newSize, oldMapHeight[MPos.Zero]);
  Ramp = CellLayer.Resize(oldMapRamp, newSize, oldMapHeight[MPos.Zero]);
  ....
}

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