SonarSource Rules
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C#

C# static code analysis

Unique rules to find Bugs, Vulnerabilities, Security Hotspots, and Code Smells in your C# code

  • All rules 493
  • Vulnerability46
  • Bug88
  • Security Hotspot24
  • Code Smell335

  • Quick Fix 61
Filtered: 11 rules found
finding
    Impact
      Clean code attribute
        1. Empty "default" clauses should be removed

           Code Smell
        2. Empty "case" clauses that fall through to the "default" should be omitted

           Code Smell
        3. Redundant property names should be omitted in anonymous classes

           Code Smell
        4. Declarations and initializations should be as concise as possible

           Code Smell
        5. Default parameter values should not be passed as arguments

           Code Smell
        6. Constructor and destructor declarations should not be redundant

           Code Smell
        7. Redundant parentheses should not be used

           Code Smell
        8. Members should not be initialized to default values

           Code Smell
        9. "catch" clauses should do more than rethrow

           Code Smell
        10. Redundant modifiers should not be used

           Code Smell
        11. "ToString()" calls should not be redundant

           Code Smell

        Constructor and destructor declarations should not be redundant

        intentionality - clear
        maintainability
        Code Smell
        Quick FixIDE quick fixes available with SonarLint
        • finding
        • clumsy

        Why is this an issue?

        Since the compiler will automatically invoke the base type’s no-argument constructor, there’s no need to specify its invocation explicitly. Also, when only a single public parameterless constructor is defined in a class, then that constructor can be removed because the compiler would generate it automatically. Similarly, empty static constructors and empty destructors are also wasted keystrokes.

        Noncompliant code example

        class X
        {
          public X() { } // Noncompliant
          static X() { }  // Noncompliant
          ~X() { } // Noncompliant
        
          ...
        }
        
        class Y : X
        {
          public Y(int parameter) : base() // Noncompliant
          {
            /* does something with the parameter */
          }
        }
        

        Compliant solution

        class X
        {
          ...
        }
        
        class Y : X
        {
          public Y(int parameter)
          {
            /* does something with the parameter */
          }
        }
        
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          on-premise CI
          Available Since
          9.1
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          Developer Edition
          Available Since
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