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Rule description

• Boolean checks should not be inverted

Non-compliant Code Example

DECLARE @Number int= 50;

IF NOT(@Number >= 100)    --Non compliant code (Boolean check is inverted)
    BEGIN
        Select * From Employee Where id < @Number;
        PRINT 'The number is less then 100.';  
    END; 
ELSE   
    BEGIN  
        IF NOT (@Number <= 100)    --Non compliant code (Boolean check is inverted)
            BEGIN
                Select * From Employee Where id < @Number;
                PRINT 'The number is greater then 100.';  
            END;
        ELSE  
            PRINT 'The number is equal to 100.';  
    END ;  
GO 

Compliant Code Example

DECLARE @Number int= 50;   

IF @Number < 100    --Compliant code
    BEGIN 
        Select * From Employee Where id < @Number;
        PRINT 'The number is less then 100.'; 
    END;  
ELSE   
    BEGIN  
        IF @Number > 100    --Compliant code
            BEGIN 
                Select * From Employee Where id < @Number;
                PRINT 'The number is greater then 100.'; 
            END;  
        ELSE  
            PRINT 'The number is equal to 100.';  
    END ;  
GO