public override void Bad() { long data; /* POTENTIAL FLAW: Use the minimum size of the data type */ data = long.MinValue; Dictionary <int, long> dataDictionary = new Dictionary <int, long>(); dataDictionary.Add(0, data); dataDictionary.Add(1, data); dataDictionary.Add(2, data); CWE191_Integer_Underflow__Long_min_sub_74b.BadSink(dataDictionary); }