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Examples of errors detected by the V600…

Examples of errors detected by the V6004 diagnostic

V6004. The 'then' statement is equivalent to the 'else' statement.


SonarQube

V6004 [CWE-691] The 'then' statement is equivalent to the 'else' statement. Check lines: 76, 78. OneIssuePerLineSensor.java 76


public static final String EFFORT_TO_FIX_PROPERTY =
  "sonar.oneIssuePerLine.effortToFix";
public static final String FORCE_SEVERITY_PROPERTY =
  "sonar.oneIssuePerLine.forceSeverity";

private void createIssues(InputFile file, SensorContext context, String repo) {
 ....
 if (context.getSonarQubeVersion().isGreaterThanOrEqual(Version.create(5, 5))) {
   newIssue.gap(context.settings().getDouble(EFFORT_TO_FIX_PROPERTY));
 } else {
   newIssue.gap(context.settings().getDouble(EFFORT_TO_FIX_PROPERTY));
 }
 ....
}

XMage

V6004 The 'then' statement is equivalent to the 'else' statement. AsThoughEffectImpl.java(35), AsThoughEffectImpl.java(37)


@Override
public boolean applies(....) {
  // affectedControllerId = player to check
  if (getAsThoughEffectType().equals(AsThoughEffectType.LOOK_AT_FACE_DOWN)) {
    return applies(objectId, source, playerId, game);
  } else {
    return applies(objectId, source, playerId, game);
  }
}

Similar errors can be found in some other places:

  • V6004 The 'then' statement is equivalent to the 'else' statement. GuiDisplayUtil.java(194), GuiDisplayUtil.java(198)

WildFly

V6004 The 'then' statement is equivalent to the 'else' statement. WeldPortableExtensionProcessor.java(61), WeldPortableExtensionProcessor.java(65)


@Override
public void deploy(....) throws DeploymentUnitProcessingException {
  if (PrivateSubDeploymentMarker.isPrivate(deploymentUnit)) {
    if (!WeldDeploymentMarker.isPartOfWeldDeployment(deploymentUnit)) {
      return;
    }
  }
  else {
    if (!WeldDeploymentMarker.isPartOfWeldDeployment(deploymentUnit)) {
      return;
    }
  }
}

Bouncy Castle

V6004 The 'then' statement is equivalent to the 'else' statement. BcAsymmetricKeyUnwrapper.java(36), BcAsymmetricKeyUnwrapper.java(40)


public GenericKey generateUnwrappedKey(....) throws OperatorException {
    ....
    byte[] key = keyCipher.processBlock(encryptedKey, 0, encryptedKey.length);
    if (encryptedKeyAlgorithm.getAlgorithm()
                             .equals(PKCSObjectIdentifiers.des_EDE3_CBC)) {
        return new GenericKey(encryptedKeyAlgorithm, key);
    } else {
        return new GenericKey(encryptedKeyAlgorithm, key);
    }
}

NGB

V6004 The 'then' statement is equivalent to the 'else' statement. FeatureIndexDao.java(852), FeatureIndexDao.java(854)


private String getGroupByField(final List<VcfFile> files, final String groupBy){
    final VcfIndexSortField sortField = VcfIndexSortField.getByName(groupBy);
    if (sortField == null) {
        ....
        if (   infoItem.getType() == VCFHeaderLineType.Integer
            || infoItem.getType() == VCFHeaderLineType.Float) {
            return infoItem.getName().toLowerCase();
        } else {
            return infoItem.getName().toLowerCase();
        }
    } else {
        if (   sortField.getType() == SortField.Type.INT
            || sortField.getType() == SortField.Type.FLOAT) {
            return sortField.getField().fieldName;
        } else {
            return sortField.getField().fieldName;
        }
    }
}

IntelliJ IDEA Community Edition

V6004 The 'then' statement is equivalent to the 'else' statement. YAMLScalarTextImpl.java(116), YAMLScalarTextImpl.java(119)


protected List<....> getEncodeReplacements(CharSequence input) {
  for (int i = 0; i < input.length(); ++i) {
    if (input.charAt(i) == '\n') {
      final String replacement;
      if (i + 1 >= input.length() ||
        YAMLGrammarCharUtil.isSpaceLike(input.charAt(i + 1)) ||
        input.charAt(i + 1) == '\n' ||
        currentLineIsIndented)
      {
        replacement = "\n" + indentString;
      }
      else
      {
        replacement = "\n" + indentString;
      }
      ....
      continue;
    }
    ....
  }
}